Re: Locale issue

[Bob Proulx]

ML mail wrote:
> Since now already a few weeks I noticed that my locale settings on
> various Debian 6.0 servers got by some mysterious way broken... For
> example any tool/command using PERL will issue the following
> warning:
> 
> perl: warning: Setting locale failed.
> perl: warning: Please check that your locale settings:
> LANGUAGE = (unset),
> LC_ALL = (unset),
> LC_CTYPE = "UTF-8",
> LANG = "en_US.UTF-8"
> are supported and installed on your system.
> perl: warning: Falling back to the standard locale ("C").

This error is routinely generated by perl when LANG is set to a locale
that does not exist on the system.  This might be because the locale
isn't configured or it might be because the 'locales' package is not
installed.  Perl has been a good indicator of locale configuration
problems in recent years with this message..

You can demonstrate that this is the problem by temporarily setting
the locale to C and the error will go away.

  $ LC_ALL=C perl -e 0
  ...no output...

And show that setting it to a nonexistent locale causes the error.

  $ env -i LC_ALL=nonexistent perl -e 0
  perl: warning: Setting locale failed.
  perl: warning: Please check that your locale settings:
LANGUAGE = (unset),
LC_ALL = "nonexistent",
LANG = (unset)
  are supported and installed on your system.
  perl: warning: Falling back to the standard locale ("C").

This can be fixed by installing the locales package and configuring
the specified locale.

  # apt-get install locales

And/Or:

  # dpkg-reconfigure locales

Then configure the desired locale and the error will be avoided.

Bob


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Re: raid recomendation

[Stan Hoeppner]

On 12/7/2012 5:48 PM, Aaron Toponce wrote:

> A RAID-1 will outperform
> a parity-based RAID using the same disks every time, due to calculating the
> parity. 

This hasn't been true for almost a decade.  Even the slowest of modern
single core x86 CPUs have plenty of excess horsepower for soft RAID
parity, as do ASICs on hardware RAID solutions.  There are two big
problems today with parity arrays.

The first is the IO load and latency of read-modify-write cycles which
occur when partial stripes are updated.  Most write IO is small and
random, typically comprising over 95% of writes for most typically
workloads, mail, file, LDAP, SQL servers for example. Streaming
applications such as video are an exception as they write full stripes.
 Thus for every random write, you first must, at a minimum, read two
disks (data chunk/strip and parity chunk/strip) and write back to both
with the new data chunk and parity chunk.  This is with an optimized
algorithm.  The md/RAID driver has some optimizations to cut down on RMW
penalties.  Many hardware RAID solutions read then write the entire
stripe for scrubbing purposes (i.e. write all disks frequently so media
errors are caught sooner rather than later).  This is a data integrity
feature of higher end controllers.  This implementation is much slower
due to all the extra IO and head movement, but more reliable.

The second is that failed drive rebuilds take FOREVER as all disks are
being read in parallel and parity calculated for every stripe, just to
rebuild one disk.  Even a small count 2TB drive RAID6 array can take
12-24 hours to rebuild.  The recommended max array drive count for
RAID5/6 are 4 and 8 drives respectively.  One of the reasons for this
BCP is rebuild time.  With RAID10 rebuild time is a constant, as you're
simply copying all the sectors from one drive to another.  A 60x2TB
drive RAID10 rebuild will take about 5 hours with low normal workload IO
hitting the array.

> Further, striping across two mirrors will give increased
> performance that parity-based RAID cannot achieve. 

A parity array actually has superior read speed vs a RAID10 array of the
same total spindle count because there are more data spindles.  An 8
drive RAID6 has 6 data spindles, whereas an 8 drive RAID10 only has 4.
Write performance, however, as I mentioned, is an order of magnitude
slower due to RMW.

> Lastly, you can suffer
> any sort of disk failures, provided all mirrors in the stripe remains in
> tact.

You mean any "number" not "sort".  Yes, with RAID10 you can lose half
the drives in the array as long as no two are in the same mirror pair.
I wouldn't bank on this though.  Many drive dropouts are not due to
problems with the drives, but with the backplanes and cabling.  When
that happens, if you've not staggered your mirrors across HBAs, cables,
and cabinets (which isn't possible with RAID HBAs), you may very well
lose two drives in the same mirror.

> 1: http://zfsonlinux.org

> Just my $.02.

And that sums up the value of your ZFS on Linux recommendation, quite
well.  Being a fanboy is fine.  Run it yourself.  But please don't
recommend unsupported, out of tree, difficult for the average Debian
user to install, software, for a general purpose storage solution.

Good hardware RAID is relatively cheap, Linux has md/RAID which isn't
horrible for most workloads, and there are plenty of high quality Linux
filesystems to meet most needs, with EXT4 for casual stuff, JFS and XFS
for heavy duty, though XFS is a much better choice for many reasons; the
big one being that it's actively developed, whereas JFS is mostly in
maintenance only mode.

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Re: multiarch - please do not force users to change a running system!

[Hans-J. Ullrich]

Maybe I described my problem not exactly enough. My English might be better.
Let me try again.

1. I have a running amd64 system, which is running 32-bit applications 
perfectly (due to ia32-libs)

2. aptitude upgrade wants to deinstall ia32-libs, as there are dependencies in 
i386 repo (ia32-libs:386). According to this, it wants also deinstall my 32-
bit applications (i.e. skype or googleearth)

Now I have two choices

1. I can add i386 to the sources list. This will keep and update ia32-libs and 
keep my 32-bit apps - but it will install al lot of new (unnecessary) libs, 
which I do not need and I do not want to install. It is sure, I do not need 
them, as the 32-bit applications are running perfectly as described above.

I do not want to fill my system, with unnecessary libs (keep it simple stupid)

2. I do NOT add i386, then apt / aptitude wants always to deinstall my 32-bit 
applications, which means, it will destroy a running system.

I do not want this, I want my system kep running.
 

IMO this is a dependency problem. My suggestions for a solution:

1. Change the dependencies of ia-32-libs, that they do not depend i386-repo.

2. No amd64 package should depend on a package of i386-repo.


IMO this would solve a lot of problems and people can decide, if they want to 
use multiarch or not. At the moment, it looks for me, as people are forced to 
use multiarch, if they want to use any 32-bit application.

But this technically not necessary ( as described above) and it is against 
freedom of choice.


Best regards

Hans


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Re: Debian Squeeze; Does this look like a Driver Issue?

[Bob Proulx]

Martin McCormick wrote:
> I plugged a USB dongle-style serial converter in to a Debian
> Squeeze system and did generate a ttyUSBx port.

Sounds good.  And the syslog messages you included also looked as if
this was successfully identified.  So...  What is the problem?

> The device it is connected to is not responding at all

What have you tried?  Please tell us exactly the commands you ran and
show any error messages verbatim.

I usually use 'minicom' as a simple to use, point and shoot, serial
communication program.  I would fire it up and see if I could talk to
the device with it.

A great many serial port problems are due to a mismatch of serial port
protocols.  For example if the speed is incorrect then it will have
the appearance of not working at all when it is simply a speed
mismatch.  The smallest detail can completely prevent communication.

> though it does work fine on Windows systems and I suspect it is a
> driver issue due to the behavior both under c-kermit and
> communications software meant to use a serial port and talk to the
> device on the other end which happens to be a two-way radio.

Huh?  What?  Huh?  Obviously whether it is a radio or a toaster
doesn't matter to the serial port it is connected to.

Please tell us what program you are trying to run and what problems
you are seeing.  Don't paraphrase like in the above description.

>   It looks like that maybe the correct driver for the USB
> device can not be found so it is trying some sort of default
> mode as a last resort. Here are the syslog messages. What
> exactly does noserial do?

What makes you think this?  You didn't post any information that gave
me any indication of that.  What you posted looked okay to me.

>   I think there is a DC voltage sent from the radio when
> it is present as the comm software immediately complains when

What comm software?  'minicom'?  Something else?  Don't keep us
guessing.

> the device is not present and then waits to time out when it is
> present but that is the only thing different between the
> connected radio and a brick. Log follows:

If the radio is using non-standard use of CTS/RTS/DTR/DSR/DCD then a
standard driver might not work with it.  You might need to hack the
driver for nonstandard usage.  But this is possible.  But it needs
some programming knowledge.  Or you might simply need to disable
hardware flow control.

But please give us something to work with.  You are not saying what
program you are trying to run.  It is impossible to guess.  There are
so many to choose from.  It could be anything.

> Dec  6 20:58:58 wb5agz kernel: [1671016.001397] usb 4-2.3: new full speed USB 
> device using ohci_hcd and address 5
> Dec  6 20:58:58 wb5agz kernel: [1671016.112378] usb 4-2.3: New USB device 
> found, idVendor=067b, idProduct=2303
> Dec  6 20:58:58 wb5agz kernel: [1671016.112393] usb 4-2.3: New USB device 
> strings: Mfr=1, Product=2, SerialNumber=0
> Dec  6 20:58:58 wb5agz kernel: [1671016.112405] usb 4-2.3: Product: 
> USB-Serial Controller
> Dec  6 20:58:58 wb5agz kernel: [1671016.112414] usb 4-2.3: Manufacturer: 
> Prolific Technology Inc.
> Dec  6 20:58:58 wb5agz kernel: [1671016.113082] usb 4-2.3: configuration #1 
> chosen from 1 choice
> Dec  6 20:58:58 wb5agz kernel: [1671016.115558] pl2303 4-2.3:1.0: pl2303 
> converter detected
> Dec  6 20:58:58 wb5agz kernel: [1671016.148702] usb 4-2.3: pl2303 converter 
> now attached to ttyUSB8

UP to this point it all looks very reasonable.  I don't see any
problem.  Using device number 8 is a little unusual.  Usually the
first device would be 0.  You have nine serial ports on your machine?
Wow.  That is a lot.  But it could also be that in troubleshooting
this you have simply wedged up eight of them already and that it has
now reserved those and you are now up to ttyUSB8 as the current device?

> Dec  6 20:58:58 wb5agz NetworkManager:  [1354849138.962875] 
> nm_hal_device_added(): New device added (hal udi is 
> '/org/freedesktop/Hal/devices/usb_device_67b_2303_noserial').
> Dec  6 20:58:58 wb5agz NetworkManager:  [1354849138.984126] 
> nm_hal_device_added(): New device added (hal udi is 
> '/org/freedesktop/Hal/devices/usb_device_67b_2303_noserial_if0').
> Dec  6 20:58:59 wb5agz NetworkManager:  [1354849139.039770] 
> nm_hal_device_added(): New device added (hal udi is 
> '/org/freedesktop/Hal/devices/usb_device_67b_2303_noserial_if0_serial_usb_0').

This is the scariest thing I have seen.  But by itself doesn't mean
anything.  As a serial device it is probably still functioning okay.

If I want to test that a serial port is working then I will connect to
a known working device.  I like to use a null-modem cable to connect
two computers together.  Then I have access to the data on both sides.
But using a device such as a cisco router or any other device with a
serial port that is known working is also good.  Then you can verify
that your serial port program is functioning.  Then switch over to the
device that you really wa

Re: multiarch - please do not force users to change a running system!

[Andrei POPESCU]

On Vi, 07 dec 12, 23:49:56, Marc Shapiro wrote:
> 
> What if you have a package that specifically depends on ia32-libs?
> Specifically icaclient (citrix) which I use to connect to me work
> computer from home.

ia32-libs will still be kept as a transitional package, however it will 
depend on all i386 libraries it used to contain, so the net effect will 
be mostly the same.

If you want to uninstall the unneeded libraries you could either use 
dpkg --force-depends to install the non-Debian package or better use 
equivs to build a dummy package to fulfill the dependency, but in both 
cases you will need to take care that the actually needed libraries are 
installed (e.g. as dependencies of your dummy package).

Kind regards,
Andrei
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Re: multiarch - please do not force users to change a running system!

[Andrei POPESCU]

On Sb, 08 dec 12, 12:31:27, Andrei POPESCU wrote:
> On Vi, 07 dec 12, 23:49:56, Marc Shapiro wrote:
> > 
> > What if you have a package that specifically depends on ia32-libs?
> > Specifically icaclient (citrix) which I use to connect to me work
> > computer from home.
> 
> ia32-libs will still be kept as a transitional package, however it will 
> depend on all i386 libraries it used to contain, so the net effect will 
> be mostly the same.
> 
> If you want to uninstall the unneeded libraries you could either use 
> dpkg --force-depends to install the non-Debian package or better use 
> equivs to build a dummy package to fulfill the dependency, but in both 
> cases you will need to take care that the actually needed libraries are 
> installed (e.g. as dependencies of your dummy package).

Scrap that. Just install the i386 version of the non-Debian package 
(after activating multiarch) and let apt/itude do its job.

Kind regards,
Andrei
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RE : Re: raid recomendation

[Nicolas Froidure]

Envoyé depuis un mobile SamsungStan Hoeppner  a écrit 
:On 12/7/2012 5:48 PM, Aaron Toponce wrote:

> A RAID-1 will outperform
> a parity-based RAID using the same disks every time, due to calculating the
> parity. 

This hasn't been true for almost a decade.  Even the slowest of modern
single core x86 CPUs have plenty of excess horsepower for soft RAID
parity, as do ASICs on hardware RAID solutions.  There are two big
problems today with parity arrays.

The first is the IO load and latency of read-modify-write cycles which
occur when partial stripes are updated.  Most write IO is small and
random, typically comprising over 95% of writes for most typically
workloads, mail, file, LDAP, SQL servers for example. Streaming
applications such as video are an exception as they write full stripes.
Thus for every random write, you first must, at a minimum, read two
disks (data chunk/strip and parity chunk/strip) and write back to both
with the new data chunk and parity chunk.  This is with an optimized
algorithm.  The md/RAID driver has some optimizations to cut down on RMW
penalties.  Many hardware RAID solutions read then write the entire
stripe for scrubbing purposes (i.e. write all disks frequently so media
errors are caught sooner rather than later).  This is a data integrity
feature of higher end controllers.  This implementation is much slower
due to all the extra IO and head movement, but more reliable.

The second is that failed drive rebuilds take FOREVER as all disks are
being read in parallel and parity calculated for every stripe, just to
rebuild one disk.  Even a small count 2TB drive RAID6 array can take
12-24 hours to rebuild.  The recommended max array drive count for
RAID5/6 are 4 and 8 drives respectively.  One of the reasons for this
BCP is rebuild time.  With RAID10 rebuild time is a constant, as you're
simply copying all the sectors from one drive to another.  A 60x2TB
drive RAID10 rebuild will take about 5 hours with low normal workload IO
hitting the array.

> Further, striping across two mirrors will give increased
> performance that parity-based RAID cannot achieve. 

A parity array actually has superior read speed vs a RAID10 array of the
same total spindle count because there are more data spindles.  An 8
drive RAID6 has 6 data spindles, whereas an 8 drive RAID10 only has 4.
Write performance, however, as I mentioned, is an order of magnitude
slower due to RMW.

> Lastly, you can suffer
> any sort of disk failures, provided all mirrors in the stripe remains in
> tact.

You mean any "number" not "sort".  Yes, with RAID10 you can lose half
the drives in the array as long as no two are in the same mirror pair.
I wouldn't bank on this though.  Many drive dropouts are not due to
problems with the drives, but with the backplanes and cabling.  When
that happens, if you've not staggered your mirrors across HBAs, cables,
and cabinets (which isn't possible with RAID HBAs), you may very well
lose two drives in the same mirror.

> 1: http://zfsonlinux.org

> Just my $.02.

And that sums up the value of your ZFS on Linux recommendation, quite
well.  Being a fanboy is fine.  Run it yourself.  But please don't
recommend unsupported, out of tree, difficult for the average Debian
user to install, software, for a general purpose storage solution.

Good hardware RAID is relatively cheap, Linux has md/RAID which isn't
horrible for most workloads, and there are plenty of high quality Linux
filesystems to meet most needs, with EXT4 for casual stuff, JFS and XFS
for heavy duty, though XFS is a much better choice for many reasons; the
big one being that it's actively developed, whereas JFS is mostly in
maintenance only mode.

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Re: need lenny.

[Rares Aioanei]

On 12/08/12 13:46, Mauro wrote:

My sources list:

deb http://archive.debian.org/debian/ lenny main contrib non-free
deb http://archive.debian.org/backports.org/ lenny-backports main contrib
deb http://archive.debian.org/debian-security/ lenny/updates main contrib
deb http://archive.debian.org/debian-volatile/ lenny/volatile main contrib


[...]
Is there a valid reason for sticking to Lenny? It's unsupported, you know.

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Re: multiarch - please do not force users to change a running system!

[Claudius Hubig]

Hello Hans,

"Hans-J. Ullrich"  wrote:
> 1. I can add i386 to the sources list. This will keep and update ia32-libs 
> and 
> keep my 32-bit apps - but it will install al lot of new (unnecessary) libs, 
> which I do not need and I do not want to install. It is sure, I do not need 
> them, as the 32-bit applications are running perfectly as described above.

Exactly. ia32-libs is superseeded by multi-arch, the ia32-libs
package you can upgrade to (version 1:0.4) is actually empty and is
only there to pull in the i386 packages.

> I do not want to fill my system, with unnecessary libs (keep it simple stupid)

This is a simple change in packaging. Chances are that you can
afterwards deinstall ia32-libs (unless you have crappy third-party
software explicitly depending on it) and even remove libraries you
were previously forced to keep (as part of the old ia32-libs package)
but don’t actually need.

> IMO this is a dependency problem. My suggestions for a solution:
> 
> 1. Change the dependencies of ia-32-libs, that they do not depend i386-repo.
> 2. No amd64 package should depend on a package of i386-repo.

This will mean that users don’t see a clear migration path from amd64
+ ia32-libs to amd64 + multi-arch and that there is no way to ensure
that all libraries previously contained in ia32-libs are installed
after the migration to multi-arch. 

> IMO this would solve a lot of problems and people can decide, if they want to 
> use multiarch or not. At the moment, it looks for me, as people are forced to 
> use multiarch, if they want to use any 32-bit application.

If you don’t want to use multi-arch, stay with Squeeze.
 
> But this technically not necessary ( as described above) and it is against 
> freedom of choice.

As said before, you actually have more choice with multi-arch than
without.

To reiterate:

Current Squeeze:
- ia32-libs:amd64 contains library X, library Y and library Z in the i386 format
- i386 packages with Architecture:amd64 (such as skype:amd64) can be
  installed, depend on ia32-libs and use these libraries.

Current Wheezy:
- i386 packages can be directly installed as Architecture:i386 and
  directly depend on X:i386 etc. as needed
- ia32-libs:amd64 is empty and depends on X:i386, Y:i386, Z:i386 to
  ensure that if you upgrade from Squeeze, all libraries previously
  found on your system as part of the ia32-libs package are
  installed, furthermore, packages still depend on ia32-libs of
  Architecture:amd64 continue to work.

Best,

Claudius


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Re: multiarch - please do not force users to change a running system!

[Hans-J. Ullrich]

> 
> Current Wheezy:
> - i386 packages can be directly installed as Architecture:i386 and
>   directly depend on X:i386 etc. as needed
> - ia32-libs:amd64 is empty and depends on X:i386, Y:i386, Z:i386 to
>   ensure that if you upgrade from Squeeze, all libraries previously
>   found on your system as part of the ia32-libs package are
>   installed, furthermore, packages still depend on ia32-libs of
>   Architecture:amd64 continue to work.
> 

I am running wheezy. So, if I understood, I have these choices

1. stay with the old ia32-libs (which content all 32-bit libs) and set ia32-
libs to hold

2. convert to multiarch, get an empty (transitional) ia32-libs package and get 
all needed and new 32-bit-libs from i386.

Ok, I understood. But last question: Does debian make sure, that I get rid 
from the old 32-bit libs included in the old ia32-libs package or do I have to 
search them manually, to get a clean system, without double 32-bit libs?



> Best,
> 
> Claudius


Hans


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Re: need lenny.

[Mauro]

On 8 December 2012 13:01, Rares Aioanei  wrote:
> On 12/08/12 13:46, Mauro wrote:
>>
>> My sources list:
>>
>> deb http://archive.debian.org/debian/ lenny main contrib non-free
>> deb http://archive.debian.org/backports.org/ lenny-backports main contrib
>> deb http://archive.debian.org/debian-security/ lenny/updates main contrib
>> deb http://archive.debian.org/debian-volatile/ lenny/volatile main contrib
>>
> [...]
> Is there a valid reason for sticking to Lenny? It's unsupported, you know.

I still have some servers with lenny and I need to install some packages.
I knew that archive.debian.org  was established to support old
distributions but it seems does not work.


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Re: multiarch - please do not force users to change a running system!

[Andrei POPESCU]

On Sb, 08 dec 12, 13:30:02, Hans-J. Ullrich wrote:
> 
> I am running wheezy. So, if I understood, I have these choices
> 
> 1. stay with the old ia32-libs (which content all 32-bit libs) and set ia32-
> libs to hold

Yes, this is another option, but you will get in trouble when (not if) 
non-Debian packagers update their packages to depend on newer libraries 
than the ones available in the ia32-libs bundle. You might be safe for 
wheezy (since it's already frozen), but...

Also, you will not receive any kind of security support from Debian.
 
> 2. convert to multiarch, get an empty (transitional) ia32-libs package and 
> get 
> all needed and new 32-bit-libs from i386.
> 
> Ok, I understood. But last question: Does debian make sure, that I get rid 
> from the old 32-bit libs included in the old ia32-libs package or do I have 
> to 
> search them manually, to get a clean system, without double 32-bit libs?

When you purge a package (any package) all its files should be removed 
by dpkg, but sometimes packages generate files on install and don't 
clean up on removal[1]. This is usually a bug which should be reported. 
If it's severe enough it should be fixed before the release of wheezy.

[1] this does not include files in a user's $HOME and files that contain 
user data (e.g. databases stored in /var created by a database 
software). If you watch dpkg output carefully you will notice warnings 
like "did not remove directory ... because not empty", so that you can 
take a look at the remaining files and decide if you still need them or 
not.

Hope this helps,
Andrei
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Re: legacy-bootordering in Wheezy?

[Rob van der Putten]

Hi there


Rob van der Putten wrote:


More weirdness:
I can start inputattach as root, but not as a normal user using a suid
script.


The thing to do is to write a start script and start the mouse just 
_after_ XDM. This works both with and without .legacy-bootordering.

I'll put more info on my website.


Regards,
rob


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Re: need lenny.

[Andrei POPESCU]

On Sb, 08 dec 12, 12:46:23, Mauro wrote:
> W: Failed to fetch
> http://archive.debian.org/debian/dists/lenny/main/binary-amd64/Packages
>  302 Moved [IP: 193.62.202.28 80]

Hmm, your apt is trying to download the uncompressed Packages file, 
which is actually not available (anymore?) -- even though mentioned in 
the Release file -- and doesn't fall back to the compressed Packages 
files.

You should check your apt configurations for any overrides. 

Kind regards,
Andrei
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Re: multiarch - please do not force users to change a running system!

[Hans-J. Ullrich]

Thanks for the answer, Andrei,
but something is still not completely clear.
> 
> When you purge a package (any package) all its files should be removed
> by dpkg, but sometimes packages generate files on install and don't
> clean up on removal[1]. This is usually a bug which should be reported.
> If it's severe enough it should be fixed before the release of wheezy.
> 

Yes, I know that. But removing (and purge ia32-libs) before change to 
multiarch will also remove all 32-bit-apps. But an upgrade will install a 
newer package of ia32-libs + stay the 32-bit-apps + install 32-bit-libs from 
i386. What happens to the old ones from the former ia32-libs? Will they be 
overwritten? Newly linked? Purged? 

Of course, I can deinstall and reinstall the 32-bit-apps after moving to 
multiarch. But is it really necessary?

> [1] this does not include files in a user's $HOME and files that contain
> user data (e.g. databases stored in /var created by a database
> software). If you watch dpkg output carefully you will notice warnings
> like "did not remove directory ... because not empty", so that you can
> take a look at the remaining files and decide if you still need them or
> not.
> 

Yes, this is how it always was. For these purposes there was "mundus"
developped, but it is still not in debian. I tried mundus today, but it still 
lacks. Mundus mourns about too old version of gambas3 from debian, it needs a 
newer version of it. However, this is no debian problem at all! Maybe 
sometimes it will appear in debian. I can wait. :))

> Hope this helps,
> Andrei

Greets

Hans



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Re: multiarch - please do not force users to change a running system!

[Claudius Hubig]

Hello Hans,

"Hans-J. Ullrich"  wrote:
> Ok, I understood. But last question: Does debian make sure, that I get rid 
> from the old 32-bit libs included in the old ia32-libs package or do I have 
> to 
> search them manually, to get a clean system, without double 32-bit libs?

If a package is updated, only the files from the new version are left
on the system (modulo configuration files and data files created by
the programm (such as configuration in your ~). These do not apply
here, however).

So, no, you don’t have to search for these libs manually, thanks to a
decent package manager also known as APT :)

Best,

Claudius


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Re: multiarch - please do not force users to change a running system!

[Andrei POPESCU]

On Sb, 08 dec 12, 14:17:55, Hans-J. Ullrich wrote:
> Thanks for the answer, Andrei,
> but something is still not completely clear.
> > 
> > When you purge a package (any package) all its files should be removed
> > by dpkg, but sometimes packages generate files on install and don't
> > clean up on removal[1]. This is usually a bug which should be reported.
> > If it's severe enough it should be fixed before the release of wheezy.
> > 
> 
> Yes, I know that. But removing (and purge ia32-libs) before change to 
> multiarch will also remove all 32-bit-apps. But an upgrade will install a 
> newer package of ia32-libs + stay the 32-bit-apps + install 32-bit-libs from 
> i386. What happens to the old ones from the former ia32-libs? Will they be 
> overwritten? Newly linked? Purged? 

The files should be (famous last words) deleted even on upgrade ;)

Kind regards,
Andrei
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Re: need lenny.

[Rick Thomas]

On Dec 8, 2012, at 5:14 AM, Andrei POPESCU wrote:


On Sb, 08 dec 12, 12:46:23, Mauro wrote:

W: Failed to fetch
http://archive.debian.org/debian/dists/lenny/main/binary-amd64/Packages
302 Moved [IP: 193.62.202.28 80]


Hmm, your apt is trying to download the uncompressed Packages file,
which is actually not available (anymore?) -- even though mentioned in
the Release file -- and doesn't fall back to the compressed Packages
files.

You should check your apt configurations for any overrides.

Kind regards,
Andrei
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Have you tried aptitude instead of apt-get?

Rick


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Re: need lenny.

[Mauro]

On 8 December 2012 16:09, Rick Thomas  wrote:
>
> On Dec 8, 2012, at 5:14 AM, Andrei POPESCU wrote:
>
>> On Sb, 08 dec 12, 12:46:23, Mauro wrote:
>>>
>>> W: Failed to fetch
>>> http://archive.debian.org/debian/dists/lenny/main/binary-amd64/Packages
>>> 302 Moved [IP: 193.62.202.28 80]
>>
>>
>> Hmm, your apt is trying to download the uncompressed Packages file,
>> which is actually not available (anymore?) -- even though mentioned in
>> the Release file -- and doesn't fall back to the compressed Packages
>> files.
>>
>> You should check your apt configurations for any overrides.
>>
>> Kind regards,
>> Andrei
>> --
>> Offtopic discussions among Debian users and developers:
>> http://lists.alioth.debian.org/mailman/listinfo/d-community-offtopic
>
>
>
> Have you tried aptitude instead of apt-get?
>

yes, same error.


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Re: Marvell sata chipset not detecting drives.

[Pascal Hambourg]

Hello,

james okeeffe a écrit :
> 
>  cat /etc/modprobe.d/marvell.conf
> options ahci marvell_enable=1
> 
> tail -n 3 /etc/modprobe.d/blacklist.conf
> 
> # marvell pata
> blacklist pata_marvell
> 
> I have ran update-initramfs -u but this does not work.
> 
> root@server:~# lspci | grep Marvell
> 03:00.0 RAID bus controller: Marvell Technology Group Ltd. 88SE6145 SATA II
> PCI-E controller (rev a1)
> 
> lsmod | sort
[...]
It looks like the ahci module is not loaded.
What does "modprobe ahci" report ?
What happens if you run "modprobe ahci" ?
Any related kernel messages in the logs ?


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Re: need lenny.

[Rick Thomas]

On Dec 8, 2012, at 7:32 AM, Mauro wrote:




Have you tried aptitude instead of apt-get?



yes, same error.


Just a guess, but take a look at backports and see if you can install  
a more modern version of apt or aptitude.


FWIW My lenny box has aptitude version "0.4.11.11-1~lenny2".


Rick


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For Help!

[Aijun Xuan]

Hello, Debian:

First of all, I would like appreciate what Debian had offered to us! I would 
thank GUN very much!

I am a new user. I just set up Debian in my desktop computer. I have a problem. 
I can use the internet browser in Gnom when I am in Debian's main page. But I 
can not browse any other pages like yahoo, google etc.

I know I am aware of Linux very little. Please help me out if you have time!

Thanks! Best Regard!

Aijun, Xuan 

Re: need lenny.

[Mauro]

On 8 December 2012 17:37, Rick Thomas  wrote:
>
> On Dec 8, 2012, at 7:32 AM, Mauro wrote:
>
>>>
>>>
>>> Have you tried aptitude instead of apt-get?
>>>
>>
>> yes, same error.
>
>
> Just a guess, but take a look at backports and see if you can install a more
> modern version of apt or aptitude.
>
> FWIW My lenny box has aptitude version "0.4.11.11-1~lenny2".

now works, perhaps a problem of my dns provider.


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Debian ISO file

[Akhil Krishnan S]

Please point me a link to download Debian as ISO image file. (Wheezy &
Squeeze) Is it suitable to live test?

Thanks in advance :)

Re: Debian ISO file

[Gábor Hársfalvi]

http://www.debian.org/CD/live/#choose_live




2012/12/8 Akhil Krishnan S 

> Please point me a link to download Debian as ISO image file. (Wheezy &
> Squeeze) Is it suitable to live test?
>
> Thanks in advance :)
>

VMWare issue

[alexander]

Hello,
I have squeeze (kernel 2.6.32-amd64 ) . I installed VMWare Player 5
and tried to start an image of Fedora system. The VMWare player
started ok but the virtual machine failed with 'Could not get snapshot
information Moule Snapshot power on failed'. I serched in VMWare
forums for similar message and found some similar case but they were
related to Windows7 operating system. Has anybody seen this message in
Debian?
Thank you
Alexander 


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Squeeze freeze

[Bill Harris]

After 136 days up, I had a hard freeze Wednesday evening, December
5--the system was unresponsive to the mouse, trackpad, keyboard,
attempts to get to a virtual console, and REISUB.  I had to hold the
power button down to shut it off.  Then it would lock up partway through
subsequent boot processes, somewhere after saying it was loading gdm3,
ACPI, checking battery status, or something around there--never as far
as the login screen.

I'm running 

,
| Linux marbach 2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012 x86_64 
GNU/Linux
`

on an HP dv7 laptop, and it's up-to-date, AFAICT.  It has a dual ATI /
Intel graphics system, and I've only run Debian on the Intel graphics.

I'm looking for help finding and fixing the problem.  What information
do you need to offer advice?

I fired up a LiveCD of Suse, and it worked.  I tested a W7 installation,
and it worked.  Then I rebooted into Debian, and it worked.  I ran it
for several hours.  During that time, I ran SMART tests, and the disk
seemed to be okay.

Early Friday morning, it wouldn't come out of suspend mode--it was again
locked up (I think it brought up X, but, to be honest, I didn't write it
down, and I can't recall with certainty.  Later, I started memtest, and
it ran successfully (I only gave it time to run about 1 1/2 times
through it's tests).  Then I booted into safe mode on Debian and looked
at some of the log files.  I booted W7 again, and then I rebooted
successfully into Debian.  It did come out of suspend mode this morning
just fine.

PROVISIONAL CONCLUSIONS:

  I don't /think/ it's hardware.

  It /might/ be related to a previously-known kernel bug, but I'm not
  sure (see below).

  When it freezes, I haven't found a way to power off except with the
  power switch, and I haven't found a way to reboot except by booting
  into W7 or Suse first and then coming back to Squeeze.

Any ideas how to troubleshoot or fix this?  

Thanks for any help.  The remainder of this message lists logfile
snippets and a few comments about them, in case anyone wants those
details:

- auth.log
- messages (partial) from the first freeze and a pointer to bugzilla
- dpkg.log (two snippets)
- messages upon a suspend recovery failure

Bill

---

Possibly interesting logfile snippets:

,[ auth.log--the entire contents from the time it wouldn't unsuspend ]
| Dec  7 05:13:48 marbach gnome-keyring-daemon[2662]: couldn't allocate secure 
memory to keep passwords and or keys from being written to the disk
`

,[ messages from around the first freeze; see bug number below ]
| Dec  5 21:50:39 marbach kernel: [  668.750661] [ cut here 
]
| Dec  5 21:50:39 marbach kernel: [  668.750690] WARNING: at 
/build/buildd-linux-2.6_2.6.32-46-amd64-_ApuPc/linux-2.6-2.6.32/debian/build/source_amd64_none/net/mac80211/tx.c:1330
 ieee80211_tx+0x1ad/0x1d3 [mac80211]()
| Dec  5 21:50:39 marbach kernel: [  668.750694] Hardware name: HP Pavilion dv7 
Notebook PC
| Dec  5 21:50:39 marbach kernel: [  668.750696] tx refused but queue active
| Dec  5 21:50:39 marbach kernel: [  668.750698] Modules linked in: xt_limit 
xt_tcpudp ipt_LOG ipt_MASQUERADE xt_DSCP ipt_REJECT nf_conntrack_irc 
nf_conntrack_ftp xt_state aes_x86_64 aes_generic parport_pc ppdev lp parport 
sco bridge stp bnep acpi_cpufreq cpufreq_userspace rfcomm l2cap cpufreq_stats 
cpufreq_conservative bluetooth cpufreq_powersave nfsd lockd nfs_acl auth_rpcgss 
sunrpc exportfs binfmt_misc uinput fuse iptable_nat nf_nat nf_conntrack_ipv4 
nf_conntrack nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables x_tables 
ext4 jbd2 crc16 loop snd_hda_codec_atihdmi snd_hda_codec_idt arc4 snd_hda_intel 
ecb snd_hda_codec snd_hwdep snd_pcm snd_seq joydev brcm80211(C) hp_accel 
snd_timer snd_seq_device snd lis3lv02d uvcvideo mac80211 radeon soundcore 
videodev ttm i915 cfg80211 drm_kms_helper video input_polldev v4l1_compat 
i2c_i801 led_class snd_page_alloc psmouse output rfkill v4l2_compat_ioctl32 drm 
processor button battery ac wmi serio_raw pcspkr evdev i2c_algo_bit i2c_core 
ext3 jbd mbcache sg sr_mod sd_mod crc
| Dec  5 21:50:39 marbach kernel: _t10dif cdrom ahci ehci_hcd libata thermal 
r8169 mii scsi_mod thermal_sys usbcore nls_base [last unloaded: scsi_wait_scan]
| Dec  5 21:50:39 marbach kernel: [  668.750791] Pid: 0, comm: swapper Tainted: 
G C 2.6.32-5-amd64 #1
| Dec  5 21:50:39 marbach kernel: [  668.750795] Call Trace:
| Dec  5 21:50:39 marbach kernel: [  668.750797][] ? 
ieee80211_tx+0x1ad/0x1d3 [mac80211]
| Dec  5 21:50:39 marbach kernel: [  668.750823]  [] ? 
ieee80211_tx+0x1ad/0x1d3 [mac80211]
| Dec  5 21:50:39 marbach kernel: [  668.750830]  [] ? 
warn_slowpath_common+0x77/0xa3
| Dec  5 21:50:39 marbach kernel: [  668.750835]  [] ? 
warn_slowpath_fmt+0x51/0x59
| Dec  5 21:50:39 marbach kernel: [  668.750845]  [] ? 
sta_info_get+0x2e/0x43 [mac80211]
| Dec  5 21:50:39 marbach kernel: [  668.750867]  [] ? 
wl_ops_tx+0x5f/0x66 [brcm80211]
| Dec  5 21:50:39 marbach kerne

Re: Debian ISO file

[Akhil Krishnan S]

Sorry. I cant find a single file as an ISO like i can download from
www.ubuntu.com/download or www.linuxmint.com/download.php
Please figure out me one such link.
Sorry if i'm mistaken
On 8 Dec 2012 22:36, "Gábor Hársfalvi"  wrote:

> http://www.debian.org/CD/live/#choose_live
>
>
>
>
> 2012/12/8 Akhil Krishnan S 
>
>> Please point me a link to download Debian as ISO image file. (Wheezy &
>> Squeeze) Is it suitable to live test?
>>
>> Thanks in advance :)
>>
>
>

Re: Debian ISO file

[legop314]

http://hammurabi.acc.umu.se/debian-cd/current-live/i386/iso-hybrid/debian-live-6.0.5-i386-gnome-desktop.iso

On 08/12/12 18:33, Akhil Krishnan S wrote:


Sorry. I cant find a single file as an ISO like i can download from 
www.ubuntu.com/download  or 
www.linuxmint.com/download.php 

Please figure out me one such link.
Sorry if i'm mistaken

On 8 Dec 2012 22:36, "Gábor Hársfalvi" > wrote:


http://www.debian.org/CD/live/#choose_live



2012/12/8 Akhil Krishnan S mailto:akhilkrishn...@gmail.com>>

Please point me a link to download Debian as ISO image file.
(Wheezy & Squeeze) Is it suitable to live test?

Thanks in advance :)

Re: Debian ISO file

[Lisi Reisz]

On Saturday 08 December 2012 17:33:13 Akhil Krishnan S wrote:
> Sorry. I cant find a single file as an ISO like i can download from
> www.ubuntu.com/download or www.linuxmint.com/download.php
> Please figure out me one such link.
> Sorry if i'm mistaken

You have been given a Debian link.  But a Debian link is not going to give you 
Ubuntu or Linux Mint.  If you want Ubuntu or Linux Mint then that is where 
you need to go.

If you can't figure out a link for yourself, what are you going to do with it 
once you find it?

Have you tried Google?  GIYF.

Lisi


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Re: Debian ISO file

[Akhil Krishnan S]

On 8 Dec 2012 23:13, "Lisi Reisz"  wrote:
>
> On Saturday 08 December 2012 17:33:13 Akhil Krishnan S wrote:
> > Sorry. I cant find a single file as an ISO like i can download from
> > www.ubuntu.com/download or www.linuxmint.com/download.php
> > Please figure out me one such link.
> > Sorry if i'm mistaken
>
> You have been given a Debian link.  But a Debian link is not going to
give you
> Ubuntu or Linux Mint.  If you want Ubuntu or Linux Mint then that is where
> you need to go.

Lisi, Please read my previous mail.
and understand what im asking for
>
> If you can't figure out a link for yourself, what are you going to do
with it
> once you find it?

I dont want to explain it you. If you are not interested in helping me.
Please be SHUT UP and allow other to. Please remember that this mailing
list have got you as dowry.
>
> Have you tried Google?  GIYF.
>
> Lisi
>
>
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Re: Debian ISO file

[Lisi Reisz]

On Saturday 08 December 2012 17:52:31 Akhil Krishnan S wrote:
> Please remember that this mailing 
> list have got you as dowry.

What on earth do you mean?

Lisi


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Re: Debian ISO file

[Akhil Krishnan S]

Have you tried Google? GIYF
On 8 Dec 2012 23:34, "Lisi Reisz"  wrote:

> On Saturday 08 December 2012 17:52:31 Akhil Krishnan S wrote:
> > Please remember that this mailing
> > list have got you as dowry.
>
> What on earth do you mean?
>
> Lisi
>
>
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> listmas...@lists.debian.org
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>
>

Re: Debian ISO file

[Kelly Clowers]

On Sat, Dec 8, 2012 at 9:52 AM, Akhil Krishnan S
 wrote:
>
> On 8 Dec 2012 23:13, "Lisi Reisz"  wrote:
>>
>> On Saturday 08 December 2012 17:33:13 Akhil Krishnan S wrote:
>> > Sorry. I cant find a single file as an ISO like i can download from
>> > www.ubuntu.com/download or www.linuxmint.com/download.php
>> > Please figure out me one such link.
>> > Sorry if i'm mistaken
>>
>> You have been given a Debian link.  But a Debian link is not going to give
>> you
>> Ubuntu or Linux Mint.  If you want Ubuntu or Linux Mint then that is where
>> you need to go.
>
> Lisi, Please read my previous mail.
> and understand what im asking for
>
>
>>
>> If you can't figure out a link for yourself, what are you going to do with
>> it
>> once you find it?
>
> I dont want to explain it you. If you are not interested in helping me.
> Please be SHUT UP and allow other to. Please remember that this mailing list
> have got you as dowry.

Your last sentence makes no sense what so ever.

Anyway, you will in fact have to explain yourself to someone here if
you want help, as you have been given two links, but inexplicably
claim you cannot find an iso.

Cheers,
Kelly Clowers


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Re: Debian ISO file

[Lisi Reisz]

On Saturday 08 December 2012 18:10:17 Akhil Krishnan S wrote:
> Have you tried Google? GIYF

Yes.  Also Wiktionary, Websters and Wikipedia.  I have now added the OED.  All 
agree with me.  Your statement makes absolutely no sense at all.  So I 
repeat, what on earth do you mean?

Lisi
>
> On 8 Dec 2012 23:34, "Lisi Reisz"  wrote:
> > On Saturday 08 December 2012 17:52:31 Akhil Krishnan S wrote:
> > > Please remember that this mailing
> > > list have got you as dowry.
> >
> > What on earth do you mean?
> >
> > Lisi


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Re: For Help!

[berenger . morel]

This sounds like you does not have internet access correctly 
configured.


Did you tried anything to know what is happening?

Le 08.12.2012 17:38, Aijun Xuan a écrit :

Hello, Debian:

First of all, I would like appreciate what Debian had offered to us!
I would thank GUN very much!

I am a new user. I just set up Debian in my desktop computer. I have
a problem. I can use the internet browser in Gnom when I am in
Debian's main page. But I can not browse any other pages like yahoo,
google etc.

I know I am aware of Linux very little. Please help me out if you
have time!

Thanks! Best Regard!

Aijun, Xuan



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Re: Debian ISO file

[Akhil Krishnan S]

Apologizes. No time to speak with intelligents & also not interested to
quarrel to those in above IQ than me.
On 8 Dec 2012 23:54, "Lisi Reisz"  wrote:

> On Saturday 08 December 2012 18:10:17 Akhil Krishnan S wrote:
> > Have you tried Google? GIYF
>
> Yes.  Also Wiktionary, Websters and Wikipedia.  I have now added the OED.
>  All
> agree with me.  Your statement makes absolutely no sense at all.  So I
> repeat, what on earth do you mean?
>
> Lisi
> >
> > On 8 Dec 2012 23:34, "Lisi Reisz"  wrote:
> > > On Saturday 08 December 2012 17:52:31 Akhil Krishnan S wrote:
> > > > Please remember that this mailing
> > > > list have got you as dowry.
> > >
> > > What on earth do you mean?
> > >
> > > Lisi
>

Re: Debian ISO file

[Akhil Krishnan S]

May be an outer topic :)

I've got the link.
cdimage.debian.org/debian-cd/6.0.6/i386/bt-dvd/
On 9 Dec 2012 00:10, "Akhil Krishnan S"  wrote:

> Apologizes. No time to speak with intelligents & also not interested to
> quarrel to those in above IQ than me.
> On 8 Dec 2012 23:54, "Lisi Reisz"  wrote:
>
>> On Saturday 08 December 2012 18:10:17 Akhil Krishnan S wrote:
>> > Have you tried Google? GIYF
>>
>> Yes.  Also Wiktionary, Websters and Wikipedia.  I have now added the OED.
>>  All
>> agree with me.  Your statement makes absolutely no sense at all.  So I
>> repeat, what on earth do you mean?
>>
>> Lisi
>> >
>> > On 8 Dec 2012 23:34, "Lisi Reisz"  wrote:
>> > > On Saturday 08 December 2012 17:52:31 Akhil Krishnan S wrote:
>> > > > Please remember that this mailing
>> > > > list have got you as dowry.
>> > >
>> > > What on earth do you mean?
>> > >
>> > > Lisi
>>
>

alix image

[binary_dreamer]

hi. i am trying to setup an image for alix2d13 from pcengines.
i have the setup but i need it to be read only by default. read/write 
only on demand.
i have found a ready image on the net, but it has a lot of modifications 
and it does not suit my needs.
is there a ready to download image of clean install of debian for the 
alix 2d13?

i would be grateful if someone could help me on that.


sincerely yours,


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Re: Squeeze freeze

[Andrei POPESCU]

On Sb, 08 dec 12, 09:17:48, Bill Harris wrote:
> 
>   When it freezes, I haven't found a way to power off except with the
>   power switch, and I haven't found a way to reboot except by booting
>   into W7 or Suse first and then coming back to Squeeze.

Have you tried unplugging and pulling out the battery after the (forced) 
shutdown?

Sorry, no idea about the freezes except maybe to try a newer kernel 
(backports has 3.2).

Kind regards,
Andrei
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Re: need lenny.

[Rick Thomas]

On Dec 8, 2012, at 9:00 AM, Mauro wrote:


On 8 December 2012 17:37, Rick Thomas  wrote:


On Dec 8, 2012, at 7:32 AM, Mauro wrote:




Have you tried aptitude instead of apt-get?



yes, same error.



Just a guess, but take a look at backports and see if you can  
install a more

modern version of apt or aptitude.

FWIW My lenny box has aptitude version "0.4.11.11-1~lenny2".


now works, perhaps a problem of my dns provider.


Great!  I wish we knew why  :-/

Rick


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NFS automount not happening

[Ross Boylan]

I have a diskless workstation running testing, and although
its /etc/fstab is
/dev/nfs /   nfs defaults 0 0
none /tmptmpfs defaults 0 0
none /var/runtmpfs defaults 0 0
none /var/lock   tmpfs defaults 0 0
none /var/tmptmpfs defaults 0 0
none /media  tmpfs defaults 0 0
192.168.40.2:/usr/local  /mnt/usr/local nfs defaults 0 0
192.168.40.2:/usr/local/var/media/usr/local/var/media   nfs defaults 0 0

The root fs is mounted correctly (during the boot sequence, before it
gets to fstab), but the other 2 NFS filesystems are not.  I can mount
them manually once the system is up.

Can anyone suggest why the NFS automount is not working, or what to do
about it?

I have a theory that the mounts are supposed to happen when the network
device comes up; the regular network up routines are not triggered to
avoid screwing up the root fs.  /etc/network/interfaces has

# The primary network interface
# do not bring up interface twice--PXE already did it
#allow-hotplug eth0
iface eth0 inet dhcp

Is my theory correct?

Thanks.
Ross Boylan



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Re: NFS automount not happening

[Michael Biebl]

On 08.12.2012 23:09, Ross Boylan wrote:

> 192.168.40.2:/usr/local/mnt/usr/local nfs defaults 0 0
> 192.168.40.2:/usr/local/var/media  /usr/local/var/media   nfs defaults 0 0
> 
> The root fs is mounted correctly (during the boot sequence, before it
> gets to fstab), but the other 2 NFS filesystems are not.  I can mount
> them manually once the system is up.
> 
> Can anyone suggest why the NFS automount is not working, or what to do
> about it?

Use the _netdev option [1] or autofs [2].

Cheers,
Michael

[1] man mount
[2] http://linux.die.net/man/5/autofs


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Re: Debian Squeeze; Does this look like a Driver Issue?

[Martin McCormick]

There are two communications programs I have tried: One
is specifically designed to run on unix systems and talks
specifically to a range of radios of the Wouxun brand. It is
possible that the one I am using is not one of the models this
software is written for. The link for the software is

http://owx.chmurka.net/

it's documentation says 9600,n,8,1 which is pretty normal.

The other thing I have tried is c-kermit, setting the tty to
9600,n,8,1. There is not so much as one complaint about the port
but nothing happens if I send the string the documentation says
you should send toget the radio's attention:

HiWOUXUN

followed by a Control-B or 02. The radio is supposed to return a
control-F. You send another 02 and then it sends a ID string
back to you

Nothing happens but since I posted last, I know there
are data being sent out the serial port. I tried 38400 baud and
when typing certain characters, the radio briefly activated its
transmitter. This tells me it is receiving garbage, most likely,
but nonetheless, something is being sent on that serial line. I
may have answered my own question.

Anyway, I appreciate the help.

Martin McCormick


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Re: NFS automount not happening

[Roger Leigh]

On Sat, Dec 08, 2012 at 02:09:47PM -0800, Ross Boylan wrote:
> I have a diskless workstation running testing, and although
> its /etc/fstab is
> /dev/nfs   /   nfs defaults 0 0
> none   /tmptmpfs defaults 0 0
> none   /var/runtmpfs defaults 0 0
> none   /var/lock   tmpfs defaults 0 0

Remove /var/run and /var/lock from your fstab; they will probably be
being mounted on top of /run and /run/lock, which will cause you
additional problems.  See tmpfs(5).  They are now tmpfs by default
on all systems, so you don't need them.  Also, the mode isn't being
set, so it's also insecure.

Michael's suggestion regarding autofs is definitely worth
exploring for your other NFS mount issues.


Regards,
Roger

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Re: NFS automount not happening

[Bob Proulx]

Ross Boylan wrote:
> I have a diskless workstation running testing, and although
> its /etc/fstab is
> /dev/nfs   /   nfs defaults 0 0
> none   /tmptmpfs defaults 0 0
> none   /var/runtmpfs defaults 0 0
> none   /var/lock   tmpfs defaults 0 0
> none   /var/tmptmpfs defaults 0 0
> none   /media  tmpfs defaults 0 0
> 192.168.40.2:/usr/local/mnt/usr/local nfs defaults 0 0
> 192.168.40.2:/usr/local/var/media  /usr/local/var/media   nfs defaults 0 0
> 
> The root fs is mounted correctly (during the boot sequence, before it
> gets to fstab), but the other 2 NFS filesystems are not.  I can mount
> them manually once the system is up.

Does sound like a timing issue.  Instead of "defaults" try using "bg"
to retry in the background.  Not what you want long term but perhaps a
good debug point.

> Can anyone suggest why the NFS automount is not working, or what to do
> about it?
> 
> I have a theory that the mounts are supposed to happen when the network
> device comes up; the regular network up routines are not triggered to
> avoid screwing up the root fs.  /etc/network/interfaces has
> 
> # The primary network interface
> # do not bring up interface twice--PXE already did it
> #allow-hotplug eth0
> iface eth0 inet dhcp
> 
> Is my theory correct?

Perhaps.  My nfs diskless system has nothing at all in the
/etc/network/interfaces file.  But I don't have NetworkManager
installed either.  (And I am not mounting additional mount points.
Will try a test as soon as I get on the console of it.)

I don't think dhcp is what you want.  You might try "manual".

  iface eth0 inet manual

Bob


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Re: Debian Squeeze; Does this look like a Driver Issue?

[Bob Proulx]

Martin McCormick wrote:
> There are two communications programs I have tried: One
> is specifically designed to run on unix systems and talks
> specifically to a range of radios of the Wouxun brand.

Cool.  But probably not debuggable.

> It is possible that the one I am using is not one of the models this
> software is written for. The link for the software is
>
> http://owx.chmurka.net/

Neat!  I pulled a copy of the source code.  It compiled.  But it did
produce a hand full of 32-bit / 64-bit warnings.  But they were in the
debug output printf statements.  Without looking further it is
probably not going to halt and catch fire or anything.  But the info
output might have issues on a 64-bit machine.

> it's documentation says 9600,n,8,1 which is pretty normal.

Agreed.  That seems pretty normal.

> The other thing I have tried is c-kermit, setting the tty to
> 9600,n,8,1. There is not so much as one complaint about the port
> but nothing happens if I send the string the documentation says
> you should send toget the radio's attention:
> 
> HiWOUXUN
> 
> followed by a Control-B or 02. The radio is supposed to return a
> control-F. You send another 02 and then it sends a ID string
> back to you

What an arcane handshake protocol!  And an unfortunate choice of
characters because those will be invisible.  You might not be able to
see the handshake with a normal terminal program.

Also there are the hardware handshake signals which can prevent
communication from succeeding.  You might try turning off hardware
flow control.

> Nothing happens but since I posted last, I know there are data being
> sent out the serial port. I tried 38400 baud and when typing certain
> characters, the radio briefly activated its transmitter. This tells
> me it is receiving garbage, most likely, but nonetheless, something
> is being sent on that serial line. I may have answered my own
> question.

I would definitely keep trying combinations until you get it working.

Bob


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Re: multiarch - please do not force users to change a running system!

[CaT]

On Sun, Dec 09, 2012 at 03:18:32PM +1100, CaT wrote:
> Felt that was a bit too many packages (182 new i386 packages) to be installed 
> so:
> 
> apt-get purge ia32-libs ia32-libs-gtk
> 
> For you this will get rid of more packages than you may want. Make a note.
> For me skype is not installed as a deb so that's safe.
> 
> ldd `which skype`
> 
> Gives me a list of libs it uses, including missing, which led to:
> 
> apt-get install libqtgui4:i386 libc6-i686:i386
> apt-get install libqt4-xml:i386
> apt-get install libqt4-dbus:i386 libqt4-network:i386
> apt-get install libxv1:i386
> apt-get install libxss1:i386
> 
> This gives me 39 i386 packages. A -lot- less.

Then I spotted libc6-i386 so...

apt-get purge libc6-i386

Which removed 32bit asound and so you

apt-get install libasound2:i386

And sorted.

System should be clean of 32bit kludges and properly multi-arch now.

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Re: multiarch - please do not force users to change a running system!

[CaT]

On Sat, Dec 08, 2012 at 02:17:55PM +0100, Hans-J. Ullrich wrote:
> Thanks for the answer, Andrei,
> but something is still not completely clear.
> > 
> > When you purge a package (any package) all its files should be removed
> > by dpkg, but sometimes packages generate files on install and don't
> > clean up on removal[1]. This is usually a bug which should be reported.
> > If it's severe enough it should be fixed before the release of wheezy.
> > 
> 
> Yes, I know that. But removing (and purge ia32-libs) before change to 
> multiarch will also remove all 32-bit-apps. But an upgrade will install a 
> newer package of ia32-libs + stay the 32-bit-apps + install 32-bit-libs from 
> i386. What happens to the old ones from the former ia32-libs? Will they be 
> overwritten? Newly linked? Purged? 

I went:

dpkg --add-architecture i386
apt-get update
apt-get -u dist-upgrade

Saw this:
The following NEW packages will be installed:
  acl esound-common freeglut3:i386 gcc-4.7-base:i386 gtk2-engines:i386 
gtk2-engines-pixbuf:i386 ia32-libs-gtk-i386:i386 ia32-libs-i386:i386 
lesstif2:i386 libacl1:i386 libaio1:i386 libart-2.0-2:i386 libasound2:i386
  libasyncns0:i386 libatk1.0-0:i386 libattr1:i386 libaudio2:i386 
libaudiofile1:i386 libavahi-client3:i386 libavahi-common-data:i386 
libavahi-common3:i386 libbsd0:i386 libc6:i386 libcaca0:i386 libcairo2:i386
  libcanberra-gtk-module:i386 libcanberra-gtk0:i386 libcanberra0:i386 
libcap2:i386 libcomerr2:i386 libcups2:i386 libcurl3:i386 libdatrie1:i386 
libdb5.1:i386 libdbus-1-3:i386 libdbus-glib-1-2:i386 libdirectfb-1.2-9:i386
  libdrm-intel1:i386 libdrm-nouveau1a:i386 libdrm-radeon1:i386 libdrm2:i386 
libedit2:i386 libesd0:i386 libexif12:i386 libexpat1:i386 libffi5:i386 
libflac8:i386 libfltk1.1:i386 libfontconfig1:i386 libfreetype6:i386
  libgail-common:i386 libgail18:i386 libgcc1:i386 libgconf-2-4:i386 
libgconf2-4:i386 libgcrypt11:i386 libgd2-xpm:i386 libgdbm3:i386 
libgdk-pixbuf2.0-0:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:i386 
libglapi-mesa:i386
  libglib2.0-0:i386 libglu1-mesa:i386 libgnutls26:i386 libgpg-error0:i386 
libgphoto2-2:i386 libgphoto2-port0:i386 libgssapi-krb5-2:i386 libgtk2.0-0:i386 
libice6:i386 libidn11:i386 libieee1284-3:i386 libjack-jackd2-0:i386
  libjasper1:i386 libjbig0:i386 libjpeg62:i386 libjpeg8:i386 libjson0:i386 
libk5crypto3:i386 libkeyutils1:i386 libkrb5-3:i386 libkrb5support0:i386 
liblcms1:i386 libldap-2.4-2:i386 libltdl7:i386 liblua5.1-0:i386 liblzma5:i386
  liblzo2-2:i386 libmng1:i386 libmpg123-0:i386 libncursesw5:i386 libnspr4:i386 
libnspr4-0d:i386 libnss3:i386 libnss3-1d:i386 libodbc1:i386 libogg0:i386 
libopenal1:i386 libp11-kit0:i386 libpam0g:i386 libpango1.0-0:i386
  libpciaccess0:i386 libpcre3:i386 libpixman-1-0:i386 libpng12-0:i386 
libpopt0:i386 libpulse0:i386 libqt4-dbus:i386 libqt4-network:i386 
libqt4-script:i386 libqt4-test:i386 libqt4-xml:i386 libqtcore4:i386 
libqtgui4:i386
  librtmp0:i386 libsamplerate0:i386 libsane:i386 libsane-common libsasl2-2:i386 
libsdl1.2debian:i386 libselinux1:i386 libsigc++-2.0-0c2a:i386 libslang2:i386 
libsm6:i386 libsndfile1:i386 libsqlite3-0:i386 libssh2-1:i386
  libssl1.0.0:i386 libstdc++5:i386 libstdc++6:i386 libsvga1:i386 libsysfs2:i386 
libtasn1-3:i386 libtdb1:i386 libthai0:i386 libtiff4:i386 libtinfo5:i386 
libts-0.0-0:i386 libusb-0.1-4:i386 libuuid1:i386 libv4l-0:i386
  libv4lconvert0:i386 libvorbis0a:i386 libvorbisenc2:i386 libvorbisfile3:i386 
libwrap0:i386 libx11-6:i386 libx11-xcb1:i386 libx86-1:i386 libxau6:i386 
libxaw7:i386 libxcb-glx0:i386 libxcb-render-util0:i386 libxcb-render0:i386
  libxcb-shm0:i386 libxcb1:i386 libxcomposite1:i386 libxcursor1:i386 
libxdamage1:i386 libxdmcp6:i386 libxext6:i386 libxfixes3:i386 libxft2:i386 
libxi6:i386 libxinerama1:i386 libxml2:i386 libxmu6:i386 libxmuu1:i386 
libxp6:i386
  libxpm4:i386 libxrandr2:i386 libxrender1:i386 libxslt1.1:i386 libxss1:i386 
libxt6:i386 libxtst6:i386 libxv1:i386 libxxf86vm1:i386 odbcinst1debian2:i386 
xaw3dg:i386 zlib1g:i386
The following packages will be upgraded:
  ia32-libs ia32-libs-gtk libgl1-mesa-dri libgl1-mesa-glx libglapi-mesa 
libglu1-mesa libxml2 libxml2-utils python-libxml2 unzip

Felt that was a bit too many packages (182 new i386 packages) to be installed 
so:

apt-get purge ia32-libs ia32-libs-gtk

For you this will get rid of more packages than you may want. Make a note.
For me skype is not installed as a deb so that's safe.

ldd `which skype`

Gives me a list of libs it uses, including missing, which led to:

apt-get install libqtgui4:i386 libc6-i686:i386
apt-get install libqt4-xml:i386
apt-get install libqt4-dbus:i386 libqt4-network:i386
apt-get install libxv1:i386
apt-get install libxss1:i386

This gives me 39 i386 packages. A -lot- less.

The thing with ia32-libs ia32-libs-gtk is that they contain lots of packages
within them and debian does not know which you /really/ need. Installing
the 182 just keeps things safe. Note the upgrade of ia32-libs ia32-libs-gtk. 
These
are 130 bytes in size installed.

Xen vs. KVM on Debian squeeze

[P. J. McDermott]

Hi,

I'd like to set up virtualization on a home server with a Debian
GNU/Linux squeeze amd64 host and squeeze and wheezy amd64 guests.  I'm
trying to decide between Xen 4.0 (with paravirtualized guests and
probably the xend/xm toolstack) and qemu-kvm 0.12 or 1.1 (with the
libvirt tools).

My experience in this area is currently limited; I've only used qemu-kvm
0.12, and only through Virtual Machine Manager.  So I'm looking for some
advice and answers to help me decide how to set this up.


The server has two 3.0-GHz CPU cores (an AMD CPU with the AMD-V/SVM
virtualization extensions) and 2.0 GiB of RAM (which I'm planning to
either double or triple).

I'd like to run at least five guest systems to build software, manage
mailing lists, serve files, manage a RAID 5 array using md, etc.

So I need a virtualization infrastructure that offers efficient CPU and
I/O virtualization and allows guest systems to gain or forfeit virtual
memory as their loads require (pooling my limited RAM as efficiently as
possible).  (Ease of understanding and maintenance are nice as well,
though I'm happy to read documentation.)


I see that KVM supports a rather simple method of overcommitting memory
[1], relying on Linux's lazy page allocation and swapping [2][3].

  [1]: 
http://www.linux-kvm.org/page/FAQ#Is_dynamic_memory_management_for_guests_supported.3F
  [2]: http://www.linux-kvm.org/page/Memory
  [3]: 
https://access.redhat.com/knowledge/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/sect-Virtualization-Tips_and_tricks-Overcommitting_with_KVM.html

I'm not sure I like the idea of "freeing" memory by swapping, but at
least it's a simple design and easy to set up.  Is there a newer method
in KVM (in Debian squeeze or squeeze-backports) of automatically growing
and shrinking guest systems' virtual memory space in RAM, preferably
without using swap?


Xen used to have a userspace self-ballooning daemon called "xenballoond"
[4], but it's no longer maintained [5] and it supposedly only supports
Red Hat–family systems [6].

  [4]: 
http://blog.xen.org/index.php/2008/08/27/xen-33-feature-memory-overcommit/
  [5]: 
http://old-list-archives.xen.org/archives/html/xen-devel/2011-02/msg01333.html
  [6]: 
http://xenbits.xen.org/hg/xen-unstable.hg/file/91232efdcfdc/tools/xenballoon/xenballoond.README

Now Xen supports "Transcendent Memory" or "tmem" (self-ballooning and
frontswap self-shrinking) [7][8] instead.

  [7]: https://lwn.net/Articles/454795/
  [8]: drivers/xen/xen-selfballoon.c in Linux 3.1 or later

The tmem code is in the version of Linux in squeeze-backports, and the
XEN_BALLOON option is enabled.  But, as far as I can tell, CLEANCACHE,
XEN_SELFBALLOONING, and FRONTSWAP are disabled.  I'd rather not have to
rebuild the Linux packages to install in my squeeze and wheezy domUs for
this.


All things considered, I'm leaning slightly toward qemu-kvm, because it
looks like it'll do what I need in a simple and familiar way; but I'm
concerned about the performance of the CPU and I/O virtualization and
the page swapping.

Can anyone show me that I've overlooked something about Xen in Debian or
convince me that qemu-kvm will perform fine for my needs?

Thanks,
-- 
P. J. McDermott
http://www.pehjota.net/
http://www.pehjota.net/contact.html


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