[Bug 261695] Re: pidgin crashes in libmeanwhile just after connecting

2008-11-17 Thread Benjamin Herrenschmidt
The presence fix patch should be applied asap though.

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[Bug 293702] Re: in 8.10 Gnome does not launch apps on iBook G3

2008-11-24 Thread Benjamin Herrenschmidt
The proper fix is:

http://cgit.freedesktop.org/pixman/commit/?id=cd2a79ab81045aa7e35bc901081e57dea6ac4845

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[Bug 310824] Re: opreport crashes with "error: basic_string::erase"

2009-05-27 Thread Benjamin Herrenschmidt
I confirm here, oprofile doesn't work for me at all on i386 due to that
error:

$ sudo opcontrol --setup --no-vmlinux 
$ sudo opcontrol --start

 

$ sudo opcontrol --stop
$ opreport -l
opreport error: basic_string::erase

Please fix, the package is basically unuseable. Another thing while at it is  
do we have a package
containing the plain "vmlinux" binary image of the kernel (the uncompressed ELF 
image) ? This
is what oprofile needs to be fed to be able to output kernel samples.

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[Bug 310824] Re: opreport crashes with "error: basic_string::erase"

2009-05-27 Thread Benjamin Herrenschmidt
I confirm here, oprofile doesn't work for me at all on i386 due to that
error:

$ sudo opcontrol --setup --no-vmlinux 
$ sudo opcontrol --start

 

$ sudo opcontrol --stop
$ opreport -l
opreport error: basic_string::erase

Please fix, the package is basically unuseable. Another thing while at it is  
do we have a package
containing the plain "vmlinux" binary image of the kernel (the uncompressed ELF 
image) ? This
is what oprofile needs to be fed to be able to output kernel samples.

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[Bug 182799] Re: Evolution: Messages aren't deleted from POP mail server with SSL encryption after specified number of days

2009-04-27 Thread Benjamin Herrenschmidt
I noticed that too, for some time, it seems, POP3 mails aren't deleted from the 
server for me neither,
and I not checked "Leave messages on server", Jaunty doesn't appear to have 
fixed it for me.

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[Bug 182799] Re: Evolution: Messages aren't deleted from POP mail server with SSL encryption after specified number of days

2009-04-28 Thread Benjamin Herrenschmidt
This problem disappeared for me after I checked "Delete after N Days"
checkbox, and set N to something short, like 1. Before, I had neither
that nor "Leave messages on server" checked. This might be a normal
behaviour thus, but confusing, as one would normally expect that setup
to delete messages immediately.

I'll update the upstream bug too.

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[Bug 334285] Re: Please include keyspan firmware

2009-05-17 Thread Benjamin Herrenschmidt
Please fix in Jaunty !

Every second ubuntu release seems to break the keyspan firmwares ...
last time it was the config option not enabled, this time I suppose it's
something else, and everytime we have to battle to get them back.
Waiting for the next release isn't a reasonable option for a regression
like that.

Cheers,
Ben.

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[Bug 221647] Re: Kernel installation not working on ps3

2008-06-01 Thread Benjamin Herrenschmidt
No idea yet, haven't had a chance to test since I came back. Maybe later this 
week. If the vmemmap fix is in,
along with the other bugs I reported, it should work tho... well, hopefully :-)

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[Bug 221647] Re: Kernel installation not working on ps3

2008-05-21 Thread Benjamin Herrenschmidt
Thanks Colin. I'll try a new ISO snapshot when I'm back to Australia
next week hopefully

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[Bug 221646] Re: CONFIG_VIRTUAL_MMAP=y is a PS3 killer

2008-08-31 Thread Benjamin Herrenschmidt
2.6.27 has the fix for that problem.

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[Bug 204937] Re: [hardy] kernel oops triggered by trackerd

2008-08-31 Thread Benjamin Herrenschmidt
I never reproduced this bug, so I suspect it's been fixed a while ago.
Probably worth closing

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[Bug 16873] Re: [Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-08-11 Thread Benjamin Herrenschmidt
On Wed, 2006-08-09 at 14:03 +, Edu wrote:
> I can confirm this bug with 686 kernel and a p4. With 386 kernel the
> system is stable.

A bug regarding clocks setting was fixed (including in the stable branch
I think) a few weeks ago that might fix part of the problem.

Ben.

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[Bug 36492] Re: [Bug 36492] Re: french symbols map for macintosh is incomplete

2006-08-20 Thread Benjamin Herrenschmidt
On Fri, 2006-08-11 at 16:23 +, Zhares wrote:
> It seems Apple keeps inverting this 2 keys again and again. There should
> be a separate keyboard model for the machines that are reversed. I've
> got the impression that laptop keyboards have those keys in the other
> way of usb and bluetooth keyboards.

I think there is a way to know wether it's an ISO or not (location of
those 2 keys). In the ADB code, afaik, we have something to detect taht
and re-invert them from the driver to make things consistent :)

Ben.

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[Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-09-18 Thread Benjamin Herrenschmidt
Can you try the patch at

http://people.freedesktop.org/~airlied/radeon_rn50_memmap.diff

And let me know ?

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[Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-09-18 Thread Benjamin Herrenschmidt
Ok, all of those 3d/glxgears problems are unrelated. If you have a
specific problem, please open a separate report (and feel free to CC
me). At this point, we are trying to chase down the long standing random
system lockup issue that has been plaguing M6, M7 and radeon 7xxx users.

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[Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-09-20 Thread Benjamin Herrenschmidt
The patch seem indeed confirm the reported lockups with M6, M7 and
radeon 7000 so far. David will probably do a new stable release of the
radeon driver including it. I recommend that Ubuntu updates dapper and
edgy drivers with that fix and close this bug.

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[Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-09-22 Thread Benjamin Herrenschmidt
Disabling DRI will not fix it. It will still occasionally lockup
(depending on the machine and other ramdom circumstances). Ubuntu should
definitely apply this patch on dapper. Dave is about to release a new
stable version of the ATI driver which includes it too.

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[Bug 32124] Re: ATI Technologies Inc RV350 AR [Radeon 9600] hangs occasionally when dri enabled

2006-09-23 Thread Benjamin Herrenschmidt
You get a solid hang at startup ? With up to date kernel DRM, X DDX
etc... ? (including that clock fix we put in the X DDX a while ago)

Have you tried Option "DynamicClocks" "off" (or "on", that is try both).

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[Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-10-05 Thread Benjamin Herrenschmidt
The edgy package is based on X 7.1 and can't just be used 'as-is' on
7.0, but the fix itself is a simple patch that could easily be applied
to dapper version of the driver

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[Bug 63994] Re: regression after latest xorg upgrade in edgy: video mode 1440x960 got missing

2006-10-05 Thread Benjamin Herrenschmidt
please attach your config file.

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[Bug 63994] Re: regression after latest xorg upgrade in edgy: video mode 1440x960 got missing

2006-10-05 Thread Benjamin Herrenschmidt
Here's a proposed fix

** Attachment added: "fix radeon DAC power on for CRT presence check"
   http://librarian.launchpad.net/4685182/radeon-dac-power.diff

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[Bug 62378] Re: wpasupplicant isn't launched when iface up

2006-10-08 Thread Benjamin Herrenschmidt
Yup, works now without wpa-action (which I added following that same
documentation you point out, though the dapper one, iirc)

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Re: [Bug 64198] Re: LiveCD can't start X on Apple Xserve or PowerBook

2006-10-11 Thread Benjamin Herrenschmidt
On Wed, 2006-10-11 at 18:19 +, Fabio Massimo Di Nitto wrote:
> According to Karl dapper doesn't work either and so it's not a
> regression and I am removing the target from edgy.
> 
> Looking at the logs i think there at least 2 issues here.
> 
> One is that the card is on PCI slot 0001:06:03.0. note that 0001 domain at 
> the beginning that's not usually present on other toys like the PB mentioned 
> in the report.
> This leads to 2 possible points of failure: xorg that should write the 
> correct BusId, xserver-xorg that needs to support it.
> 
> The ati driver also needs some checks. the RV100_QY chipset has a set of
> strange exceptions in the code that might need some review.
> 
> My feelings lean more towards the PCI domain issue but i will ask
> upstream within 12 hours from now (they are in sleeping TZ at the
> moment).
> 
> Fabio
> 
> PS subscribing BenH from upstream. perhaps he has better clue than me.

Hrm... it's an Xserve G5 ? I have one of those with it's video card
iirc, I think it worked, I'll dbl check. I might have used fbdev to
worka round the domain issue... though I generally try to keep bus
numbers unique despite being on different domains to make X life easier.

Ben.

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[Bug 144305] Re: [gutsy] sleep on powerbook crashes

2007-10-14 Thread Benjamin Herrenschmidt
APM emu should still be useful to notify apps that directly listen to
/dev/apm_bios such as X, though I haven't seen that working properly
lately.

A few things you can try:

 - First, check if radeonfb is loaded & working
 - Try sleeping from console mode without having ever launched X from boot
 - Try sleeping from console mode after switching to console from X
 - Try sleeping with network manager not running
 - Try all of the above while booting with the feisty kernel

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[Bug 144305] Re: [gutsy] sleep on powerbook crashes

2007-10-14 Thread Benjamin Herrenschmidt
Are env. variables preserved between invocations of the script ? they
are on ACPI scripts but not on /etc/power scripts afaik, which is why my
proposed pair of scripts does this hack with a temp file. You might
simply be missing your CONSOLE variable on the way back...

I find it a bit disturbing that we end up having at least now 3 or 4
different sleep mechanisms using different sets of scripts.

I especially wonder what kind of conflict do we end up with having both
pbbuttonsd and that gnome thing trying to do it.

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[Bug 147017] Re: [gutsy] trackerd vs. strigidaemon

2007-10-04 Thread Benjamin Herrenschmidt
Checked that with the latest updates, tracker is no longer started in
KDE. Thanks.

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[Bug 148429] Re: [gutsy] DRI interrupts busted on 965gm (+fix)

2007-10-04 Thread Benjamin Herrenschmidt
Seems to work fine with latest updates

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[Bug 149649] [gutsy] keyspan serial drivers missing

2007-10-05 Thread Benjamin Herrenschmidt
Public bug reported:

The main keyspan driver is missing from the modules built & installed by 
ubuntu. The keyspan_pda is there but
not the main keyspan driver which supports most keyspan devices.

The relevant config options are:

USB_SERIAL_KEYSPAN for the core driver, and then the firmware blobs:
USB_SERIAL_KEYSPAN_MPR
USB_SERIAL_KEYSPAN_USA28
USB_SERIAL_KEYSPAN_USA28X
USB_SERIAL_KEYSPAN_USA28XA
USB_SERIAL_KEYSPAN_USA28XB
USB_SERIAL_KEYSPAN_USA19
USB_SERIAL_KEYSPAN_USA18X
USB_SERIAL_KEYSPAN_USA19W
USB_SERIAL_KEYSPAN_USA19QW
USB_SERIAL_KEYSPAN_USA19QI
USB_SERIAL_KEYSPAN_USA49W
USB_SERIAL_KEYSPAN_USA49WLC

** Affects: linux-meta (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 93509] Re: xorg fails with ati driver with feisty on Apple ppc (post herd5 update)

2007-10-07 Thread Benjamin Herrenschmidt
Last I tried, it worked on my rv350 based powerbook, though a test on a
n X800 based G5 would be useful too.

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-10-19 Thread Benjamin Herrenschmidt
makes no difference here. can you verify you don't have irq counting
like crazy on GSI 19 (on the ehci) whenever bluetooth is active?

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[Bug 147017] [gutsy] trackerd vs. strigidaemon

2007-09-29 Thread Benjamin Herrenschmidt
Public bug reported:

After installing gutsy from a daily iso and then doing apt-get install 
kubuntu-desktop, when loggin into
KDE, I get both strigidaemon and trackerd running. The result on a brand new 
distro on which I've
rsync'ed a few gigabytes of stuff off my previous one is that the box is 
totally DOSed for at least half a day
(I killed them after that)... you get vague responsiveness of the GUI every 15 
seconds or so, pretty much
unuseable due to IO load.

In addition, I haven't figured out any obvious way in the GUI to disable either 
daemon. I don't want
them indexing my disk but it isn't clear to me what is controlling them or 
launching them. They
don't seem to be trigged by initd and strigidaemon doesn't seem to appear as a 
KDE service either.

** Affects: ubuntu
 Importance: Undecided
 Status: New

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[Bug 147017] Re: [gutsy] trackerd vs. strigidaemon

2007-09-30 Thread Benjamin Herrenschmidt
I updated earlier today so I now have 0.6.3, I'm not sure what i had
before, probably 0.6.2.

Not the problem isn't the responsiveness issue when tracker runs, I know about 
that issue and that it's being worked on
separately.

The problem here is specifically that after an install of kubuntu-desktop on 
top of a normal ubuntu-desktop, when running
a KDE session, I end up with both daemons running which is not really a good 
idea.
I'll verify if it's still happening after the latest updates tomorrow.

For any lurker around, when running a KDE session, tracker prefs are in
KDE menu -> Settings -> Indexing Preferences

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[Bug 147017] Re: [gutsy] trackerd vs. strigidaemon

2007-09-30 Thread Benjamin Herrenschmidt
What is controlling launching/quitting of both of these ? They don't
seem to be services in /etc/init.d ...

Maybe best is some kind of script on launch of gnome/kde sessions that check if 
both indexers are running,
and asks if the user wants to disable one of them (with an option to not 
display the thing any more).

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[Bug 147017] Re: [gutsy] trackerd vs. strigidaemon

2007-09-30 Thread Benjamin Herrenschmidt
Allright, I did suspect the session thing (though I didn't find strigi in the 
KDE service manager), but for some strange
reason, trackerd gets loaded on my kde sessions... could be when I launch a 
gnome app as I have evolution auto
loaded, or could have been from saving a session where it was running after 
logging out from gnome and back
into kde, I'll try to reproduce with fresh settings tomorrow or later next week.

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[Bug 148429] [gutsy] DRI interrupts busted on 965gm (+fix)

2007-10-03 Thread Benjamin Herrenschmidt
Public bug reported:

(Packages affected are kernel and mesa source (intel DRI))

3D apps such as Google Earth that request VBL sync'ed operations fail miserably 
on 965gm based
machines due to an interrupt issue. This has been fixed via 2 patches, one to 
the kernel intel DRM
module and one to the Mesa side intel DRI driver, available at:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e4a7b1d1d90d202a030688ab5b177c3c0f15ee3e

and

http://gitweb.freedesktop.org/?p=mesa/mesa.git;a=commitdiff;h=b3fc9a1585f390274fa26b3e3f80bc6d16f4388a

** Affects: ubuntu
 Importance: Undecided
 Status: New

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[Bug 144305] Re: [gutsy] sleep on powerbook crashes

2007-09-24 Thread Benjamin Herrenschmidt
With a bit more digging, it seems that for some reason, the APM emulation isn't 
doing the job it used to do of
having X cleanup properly for suspend. It could be a bug with the recent X 
servers or ATI drivers, that's unclear.

However, rather than trying to fix that, the best solution is to do like x86 
does with ACPI and basically use
scripts to trigger a VT switch. That will be more solid anyway.

The ACPI scripts are not useable as-is with /etc/power as they assume that env. 
variables can be set in
suspend and re-used in resume. So I've hacked a pair of scripts that can be put 
in /etc/power/suspend.d and
/etc/power/resume.d for powerpc (though they wouldn't hurt old style APM based 
x86 either I believe). Those
are a bit on the hackish side of things but they do the job fine for me, please 
do something similar to fix the
problem in gutsy !

- console-switch-out (in suspend.d):

#!/bin/sh

# And remember which console we're on
fgconsole >/tmp/saved-fg-console

# Change away from X, otherwise it'll blow up when we POST the video interface
chvt 12


- console-switch-in (in resume.d):

#!/bin/sh

CONSOLE=`cat /tmp/saved-fg-console`
rm /tmp/saved-fg-console
chvt $CONSOLE

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-09-25 Thread Benjamin Herrenschmidt
Happens here too on a brand new T61 with irq 23, pretty much same
backtrace, with latest kernel from gutsy.

It looks like an upstream bug as it happens on a co-worker's X61 as well
with 2.6.23-rc8

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-09-25 Thread Benjamin Herrenschmidt
Also, irqpoll is at best a workaround to help tracking things, I
wouldn't recommend actually -using- a machine that way :-)

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-09-25 Thread Benjamin Herrenschmidt
A possible better workaround is to use "noapic".  It sucks a lot less
and seem to have cured it for me so far.

Still not an optimal solution though, the root cause need to be tracked down, 
though it may well be a BIOS bug
providing incorrect routing tables.

Can you guys try that and see if it helps ?

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-09-26 Thread Benjamin Herrenschmidt
I've been discussing with the ACPI maintainer, I'll do a couple of tests
with upstream kernels and file a bugzilla.kernel.org report. In the
meantime, he's secured a T61 and will investigate the issues ASAP. It
could be a BIOS bug tho. Once we've found the root cause and possible
workaround, one can look into backporting to gutsy I suppose.

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-09-26 Thread Benjamin Herrenschmidt
Ah, thanks Klaus. Let's follow up there

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[Bug 146230] Re: update ps3-kboot to 1.4.1

2008-04-10 Thread Benjamin Herrenschmidt
I don't know what's up with uslpash, but the problem with the text mode
having no text (only background) has just been fixed in the kernel
packages. (Some issue with the font save/restore code). Hopefully, the
next build of the installer should pick up the fixed up kernel.

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[Bug 221647] Re: Kernel installation not working on ps3

2008-04-30 Thread Benjamin Herrenschmidt
Except for ...

https://bugs.launchpad.net/bugs/221646

I'm working on an upstream fix for the problem but it's not quite ready
yet and I can't tell at this stage whether it will be realistic to
backport.

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[Bug 221626] [NEW] initscripts fails configure on ps3 install

2008-04-24 Thread Benjamin Herrenschmidt
Public bug reported:

Today's hardy alternate CD install for PS3 fails to install due to a
failure to configure the "initscripts" package.

The failure root cause is that it tries to mount spufs on /spu but that 
filesystem is not part of whatever
comes with the kernel on that installer CD.

I believe the problem is two fold here:

 - First, I suspect it might be a good idea to have the spufs module present 
and loaded on the
installer kernel

 - Second, even without that, the initscripts package should not fail 
configuration if it can't mount spufs,
there is nothing fatal about that especially for the distro install.

Finally, I found it hard to "fix it up" from a console because after I hacked 
the postinst script to not attempt
the mount, I could configure the package manually fine. But the installer GUI 
still fails, because it retries
I suppose dpkg --configure  which stupidly -fails- if the package is 
already configured ! (it's a
bit lame). Maybe the installer should also be made a bit more smart in that 
area.

** Affects: sysvinit (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 221646] [NEW] CONFIG_VIRTUAL_MMAP=y is a PS3 killer

2008-04-24 Thread Benjamin Herrenschmidt
Public bug reported:

The hard powerpc64 kernel is having serious trouble on PS3. Basically, I
have only about 88M of memory available after boot which makes it pretty
much unuseable.

The main reason for that is CONFIG_VIRTUAL_MMAP=y. This feature has been
designed for larger memory machines such as G5s or pSeries and triggers
a worst-case scenario on the PS3 in part due to how memory is laid out
by the hypervisor.

It causes the kernel to use a crapload of memory for the memory map and
still fail to add the necessary bit to be able to register the
"additional" memory (the PS3 memory is split in 128M boot RAM and some
additional memory given to linux by the HV later during boot).

I might be able to improve the situation in the kernel but not right now
and it might not make it before .26 or .27 so ubuntu should probably
disable that option at least for PS3 kernels. I know PS3 uses the same
kernel builds as other ppc64 which can be an issue, but basically, it's
unuseable with that option set.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 221647] [NEW] Kernel installation not working on ps3

2008-04-24 Thread Benjamin Herrenschmidt
Public bug reported:

The installer fails to install any kernel on ps3 with the following
messages:

base-installer: info: kernel linux-powerpc64-smp not usable on cell
base-installer: info: kernel linux-powerpc not usable on cell
base-installer: info: kernel linux-image-powerpc64-smp not usable on cell
base-installer: info: kernel linux-image-powerpc not usable on cell
base-installer: info: kernel linux-image-2.6.24-16-powerpc64-smp not usable on 
cell
base-installer: info: kernel linux-image-2.6.24.16-powerpc not usable on cell

Do we need separate kernel packages for cell ? It might not be a bad idea 
considering
the CONFIG_VIRTUAL_MEMMAP problem that I reported in a separate report.

** Affects: base-installer (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 221646] Re: CONFIG_VIRTUAL_MMAP=y is a PS3 killer

2008-05-10 Thread Benjamin Herrenschmidt
Yes, I wrote that patch after I filed this bug report :-) I decided to
dig a bit more into the problem and found that we needed a proper long
term solution, not only on PS3 but on anything with a small memory
footprint in fact (in theory, the same problem would happen with POWER5
or 6 partitions that are started with a small amount of memory for
example).

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[Bug 220524] Re: Only 86MB of RAM shown available on PS3 in Hardy

2008-05-10 Thread Benjamin Herrenschmidt
The patch should do the trick without needing to use a customer flavour of the 
kernel.
I do recommend lowering the size of the PS3 FB though that can be done in a 
common
kernel.

I'm having paulus review the patch closely and send it to linus for .26. Once 
that's done
I'll look into backporting it to .25.x "stable" and .24.x "stable" but you can 
just stick it
in your package in the meantime.

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[Bug 189114] [NEW] (hardy) powerpc installer lacks ide-pmac driver

2008-02-04 Thread Benjamin Herrenschmidt
Public bug reported:

The current hardy snapshot ISOs cannot be used to install on any powermac as the
ide-pmac driver is missing from the initrd, thus it won't find the CD-ROM.

There is currently no libata driver for the Apple "legacy" PATA IDE interfaces, 
so that driver
is always needed.

** Affects: linux-meta (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 189114] Re: (hardy) powerpc installer lacks ide-pmac driver

2008-02-04 Thread Benjamin Herrenschmidt
Note that this is needed on both powerpc and powerpc64

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[Bug 87652] Re: No sound in linux-image-2.6.20-8-powerpc G4

2008-01-15 Thread Benjamin Herrenschmidt
At this stage, I haven't reproduced that. Paul Mackerras has a
QuickSilver and tells me that with current upstream, sound seems to work
just fine... I'm a little bit at a loss trying to understand what is
happening, it would help if I could reproduce of course.

We could implement support for recovering from DEAD in snd-powermac I
suppose. But that's probably just the consequence of something else. I
wonder if maybe we are tweaking the DBDMA lists the wrong way around or
something like that.

Is that specific to CONFIG_PREEMPT or some HZ setting ?

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[Bug 144305] Re: [gutsy] sleep on powerbook crashes

2008-01-15 Thread Benjamin Herrenschmidt
Some notes:

 - APM emu is broken in recent kernels, so that's why that part doesn't work, 
but it isn't a big issue here
 - "Fixing" HAL is not really useful as we want something more like x86 where 
it's done by the suspend
   & resume scripts and works always, not only when HAL is there. I would 
suggest using the example
   script I posted, it works fine
 - This has been open for some time and the fix is still not in...

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[Bug 132106] Re: [gutsy] keyspan serial adapter not detected

2008-01-09 Thread Benjamin Herrenschmidt
Actually, it's CONFIG_USB_SERIAL_KEYSPAN that is missing, not 
CONFIG_USB_SERIAL_KEYSPAN_PDA :-)
Also, once it's enabled, you also need to enable all the dependent sub-options 
for the various firmwares.

This is what I use here:

CONFIG_USB_SERIAL_KEYSPAN=m
CONFIG_USB_SERIAL_KEYSPAN_MPR=y
CONFIG_USB_SERIAL_KEYSPAN_USA28=y
CONFIG_USB_SERIAL_KEYSPAN_USA28X=y
CONFIG_USB_SERIAL_KEYSPAN_USA28XA=y
CONFIG_USB_SERIAL_KEYSPAN_USA28XB=y
CONFIG_USB_SERIAL_KEYSPAN_USA19=y
CONFIG_USB_SERIAL_KEYSPAN_USA18X=y
CONFIG_USB_SERIAL_KEYSPAN_USA19W=y
CONFIG_USB_SERIAL_KEYSPAN_USA19QW=y
CONFIG_USB_SERIAL_KEYSPAN_USA19QI=y
CONFIG_USB_SERIAL_KEYSPAN_USA49W=y
CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y

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[Bug 175343] Re: azureus crashes with a error in the JRE under Hardy.

2008-01-12 Thread Benjamin Herrenschmidt
I confirm this bug also happens on hardy on amd64 when trying to run the
logic analyzer software

http://www.sump.org/projects/analyzer/

Same backtrace:

Stack: [0x4000,0x40101000],  sp=0x400fe760,  free 
space=1017k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x5c9e31]
j  sun.misc.Unsafe.getByte(J)B+0
j  sun.awt.X11.Native.getUByte(J)S+7
j  sun.awt.X11.Native.getUByte(JI)S+4
j  sun.awt.X11.XToolkit.setupModifierMap()V+177
j  sun.awt.X11.XToolkit.()V+158
v  ~StubRoutines::call_stub
V  [libjvm.so+0x33204b]
.../...

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[Bug 141118] Re: [gutsy] cursor endian problem

2007-09-19 Thread Benjamin Herrenschmidt
Good enough fix is at:

https://bugs.freedesktop.org/show_bug.cgi?id=11796

more specifically:

https://bugs.freedesktop.org/attachment.cgi?id=11431&action=view

That should not affect little endian architectures and fix the problem
for now until a better fix is found in upstream x.org

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[Bug 141118] [gutsy] cursor endian problem

2007-09-19 Thread Benjamin Herrenschmidt
Public bug reported:

mouse cursors are displayed incorrectly on powerpc with what looks like
an endian issue:

Instead of: ><, one sees <> or something like that.

I think it's a known regression of upstream x.org, I'll try to provide a
patch to fix it asap.

** Affects: xorg-server (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 141119] [gutsy] X locks on console switch on powerbook

2007-09-19 Thread Benjamin Herrenschmidt
Public bug reported:

On a powerbook (aluminium G4 14" latest model with RV350 ATI), switching
to console and back to X locks up the system.

The switch to text console works fine. When switching back to X, it locks up 
before X displays anything (you
see the X VT's text content but X doesn't actually get a chance to display 
anything). It spins in a loop eating CPU,
I haven't yet found where, it takes no input. kill -9 works and you can then 
restart X, it will work fine, so it doesn't
look like a GPU crash.

It could be an upstream regression. A quick chat with the X.org ATI driver 
maintainers seems to result in him
strongly suggesting ubuntu updates to version 6.7.193 of the driver which 
according to him contains lots of bug
fixes. I'll check if that version fixes this problem asap (probably not before 
next week though as I'll be offline
for the week-end).

** Affects: xorg-server (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 124369] Re: gutsy dailys wont boot on powerbook 3,5

2007-09-19 Thread Benjamin Herrenschmidt
*** This bug is a duplicate of bug 131150 ***
https://bugs.launchpad.net/bugs/131150

Could be a dup of #126337 ?

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[Bug 126337] Re: linux-image-2.6.22-8-powerpc doesn't boot

2007-09-19 Thread Benjamin Herrenschmidt
Happens here too on a PowerBook5,8. with 2.6.22-11

modprob'ing ide-disk fixes it here too.

The kernel package needs to be fixed to do that by default on all
powerpc Apple machines at least. I suspect G5's will have a similar
problem with the CD drive which is on the same type of controller which
doesn't autoload properly.

Could that be fixed before the beta ? That doesn't sound like a hard fix
:-)

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[Bug 144305] [gutsy] sleep on powerbook crashes

2007-09-23 Thread Benjamin Herrenschmidt
Public bug reported:

On gutsy, trying to put the powerbook to sleep (by closing the lid for
example) causes the machine to crash with a PMU shutdown, which also has
the side effect of losing the content of the real time clock. Very
annoying. It works with Edgy.

I've verified that the kernel sleep stuff is working properly by sending
the appropriate ioctl to /dev/pmu. So it's something being done by
userland. One possibility that I have to investigate is that maybe
userspace is using the /sys/power/state file which doesn't work properly
on powerbooks, instead of the custom ioctl.

** Affects: ubuntu
 Importance: Undecided
 Status: New

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[Bug 144305] Re: [gutsy] sleep on powerbook crashes

2007-09-23 Thread Benjamin Herrenschmidt
Looks like I wasn't completely right above. I don't know yet whether
userspace is using the ioctl or not, but it seems that calling the ioctl
directly also fails when X is frontmost.

Among other things I've noticed:

 - the APM emulation module isn't loaded by default.
 - the kernel isn't switching to text console before suspend

The 2 above together means that X has no chance to quiesce the graphics
engine and properly re-initialize it on wakeup, which probably explains
some of the problems. I've  manually loaded apm-emu and restart X, but
that didn't fully fix the problem, so there is still something else
going on. I'll try to investigate and let you know. In the meantime,
apm-emu should definitely be added to the loaded-by-default list of
modules at least on powerbooks.

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[Bug 141119] Re: [gutsy] X locks on console switch on powerbook

2007-09-23 Thread Benjamin Herrenschmidt
Looks like that the driver got updated to .193 since my report and that
appears to have fixed that problem

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-11-03 Thread Benjamin Herrenschmidt
The chip isn't in D3 state here and the problem is still there.

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[Bug 126369] Re: kernel disables irq after 10 minutes

2007-12-02 Thread Benjamin Herrenschmidt
Henrik, just a question: How can you decide whether a fix for this bug
meets a release criteria considering that there is no fix available yet
to judge ? :-)

We still don't know what the problem is, it'seems to be a HW issue and there is 
no good workaround available neither at the moment (and irqpoll
is certainly not a useable workaround).

Once the problem is found, the fix may be as simple as a BIOS update, in which 
case there is just no point triaging it like that, or could be a one liner 
quirk,
which could easily be applied to a stable release as this is a pretty severe 
bug... but we can't tell, we just don't know yet.

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[Bug 132106] Re: [gutsy] keyspan serial adapter not detected

2008-01-04 Thread Benjamin Herrenschmidt
The changelog from Ben Collins doesn't mention a licensing issue.

As far as I know, only Debian has issue with the firmwares, other
distros don't, and they are part of the upstream kernel sources. In
fact, the simple fact that Ubuntu kernel source actually ships with the
firmwares included makes it a totally moot point. Not enabling them
doesn't "fix" a possible licence incompatibility since they are shipped
:-)

Hopefully, this is just a mistake from Ben thinking the keyspan_pda
driver is a _replacement_ for the other one. It's not. The keyspan_pda
is a different (and simpler, it's not very reliable at higher speeds)
piece of hardware that uses a different driver. The main keyspan serial
driver is still needed for most keyspan serial adapters (including mines
! Ben, please fix it !!!).

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[Bug 126369] Re: kernel disables irq after 10 minutes

2008-01-06 Thread Benjamin Herrenschmidt
I do and I have already reported that the problem isn't solved on X61
(see updates to the kernel bugzilla entry)

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[Bug 204937] [NEW] [hardy] kernel oops triggered by trackerd

2008-03-21 Thread Benjamin Herrenschmidt
Public bug reported:

shortly after updating this machine to hardy (thus trackerd went mad indexing 
things), 
I saw the oops below in my kernel log.

Machine is a Quad G5  PowerMac (64 bits powerpc kernel), though the problem 
doesn't
seem to be in some powerpc specific area.

It -could- have been related to successive failures at using a USB DVB adapter 
(the
driver may have been corrupting kernel memory) though unlikely.


[  672.157781] [ cut here ]
[  672.157790] kernel BUG at /build/buildd/linux-2.6.24/fs/locks.c:173!
[  672.157794] Oops: Exception in kernel mode, sig: 5 [#1]
[  672.157796] SMP NR_CPUS=32 NUMA PowerMac
[  672.157800] Modules linked in: af_packet binfmt_misc rfcomm l2cap bluetooth 
uinput ppdev lp parport ipv6 cpufreq_stats cpufreq_conservative 
cpufreq_powersave cpufreq_userspace cpufreq_ondemand iptable_filter ip_tables 
x_tables xfs sbp2 snd_aoa_codec_onyx snd_aoa_fabric_layout snd_aoa tda827x 
snd_aoa_i2sbus snd_aoa_soundbus tda1004x snd_pcm_oss snd_mixer_oss snd_pcm 
snd_page_alloc snd_seq_dummy snd_seq_oss dvb_usb_m920x dvb_usb dvb_core 
snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device 
snd soundcore evdev ext3 jbd mbcache sg sd_mod generic ata_generic usbhid hid 
sata_svw ohci_hcd ehci_hcd libata ide_cd usbcore tg3 scsi_mod cdrom ohci1394 
ieee1394 raid10 raid456 async_xor async_tx xor async_memcpy raid1 raid0 
multipath linear md_mod dm_mirror dm_snapshot dm_mod windfarm_smu_sensors 
windfarm_smu_controls windfarm_pm112 windfarm_smu_sat windfarm_pid 
windfarm_max6690_sensor windfarm_lm75_sensor windfarm_cpufreq_clamp 
windfarm_core fuse
[  672.157885] NIP: c013877c LR: c0138d40 CTR: c01d8200
[  672.157889] REGS: c00117a4f7c0 TRAP: 0700   Not tainted  
(2.6.24-12-powerpc64-smp)
[  672.157891] MSR: 90029032   CR: 24028424  XER: 
[  672.157898] TASK = c00117242000[8607] 'trackerd' THREAD: 
c00117a4c000 CPU: 2
[  672.157901] GPR00: 0001 c00117a4fa40 c066bc20 
c0011619c000 
[  672.157907] GPR04: cf0003cd5a20 c0011619c730 c0138794 
c0011619c730 
[  672.157912] GPR08: c0011a097200  cf0003cd5a20 
c07be630 
[  672.157917] GPR12: 44022424 c05bf500 1005fba8 
0fdabf2c 
[  672.157922] GPR16: 0001 0fda64bc 0fda64b0 
0fda5340 
[  672.157927] GPR20: 001a 00b8 0017 
c0011619c000 
[  672.157932] GPR24:  c0011619c730 0001 
 
[  672.157936] GPR28: c0011619cc38 c0011619c000 c060e1c0 
 
[  672.157942] NIP [c013877c] .locks_free_lock+0x6c/0xa0
[  672.157949] LR [c0138d40] .__posix_lock_file+0xc0/0x520
[  672.157954] Call Trace:
[  672.157955] [c00117a4fa40] [c0138794] .locks_free_lock+0x84/0xa0 
(unreliable)
[  672.157961] [c00117a4fad0] [c0138d40] 
.__posix_lock_file+0xc0/0x520
[  672.157966] [c00117a4fb90] [c013a2bc] .fcntl_setlk+0x17c/0x2f0
[  672.157970] [c00117a4fcb0] [c0133e9c] .sys_fcntl+0xbc/0x450
[  672.157974] [c00117a4fd50] [c016a404] 
.compat_sys_fcntl64+0x3f4/0x5a0
[  672.157980] [c00117a4fe30] [c0008734] syscall_exit+0x0/0x40
[  672.157985] Instruction dump:
[  672.157988] 38030018 7c004a78 7c74 7800d182 6801 0b00 e9230008 
38030008 
[  672.157995] 7c004a78 7c74 7800d182 6801 <0b00> 4bffee21 e93e8028 
7fa4eb78 
[  672.162962] ---[ end trace 0ac884471acdb557 ]---

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 205384] [NEW] [hardy] installer failure with existing RAID+LVM setup

2008-03-22 Thread Benjamin Herrenschmidt
Public bug reported:

The existing setup is:

Quad G5, two SATA disks, various partitions (/boot etc...) directly there, one 
big
MD partition on each drive. Togegher, those form a RAID0. That RAID0 is then
setup as an LVM PV into with 4 logical volumes (including root, /home, etc..)

I busted the gutsy install there (bad manipulation on my part) so I'm trying to 
install
Hardy using an alternate iso snapshot as of yesterday (Mars 22, 2008).

When I do "configure RAID", then just "Finish", it detects the MD properly and 
shows
it's LVM PV.

When I do "configure LVM", it discovers all the LVs, I can then go back and see 
all my
logical volumes in the list.

I set their filesystem and mount points, so far so good, then I do "finish 
partitionning",
at which points things go bonkers:

 - First it says it will have to write the RAID 0 partition map to disk 
(despite the fact
that I didn't change a thing to do).

 - Then it complains that the kernel ioctl failed (invalid argument iirc) and 
I'll have to
reboot. I choose "continue" as the partition map hasn't changed, so it should 
all be
fine.

 - Nothing happens. The installer screen is empty and nothing happens

Now if I try to go to the other VT to get some logs etc... I get nothing there, 
just black
screen on a black background. The cusor blinks fine and move, but it looks like 
somewhat
the installer is setting the text color of the other console as black on black !

It -seems- that it works the very first time I switch VT and only gets in that 
black/black
state on subsequent switches, thus I will try to use that to see if I can get 
some logs
though it might be useful to guide me (that is tell me where to look for useful 
info).

** Affects: ubuntu
 Importance: Undecided
 Status: New

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[Bug 205384] Re: [hardy] installer failure with existing RAID+LVM setup

2008-03-22 Thread Benjamin Herrenschmidt
Ok so in the "nothing happens" state, in fact, if you wait long enough (that is 
something like 10mn or more),
it ends up continuing the install.

So it's not broken, just weirdly very very slow at this stage.

So you can downgrade the bug to cosmetic, I would suggest fixing these:

 - It should be smarter at figuring out that it doesn't need to write back the 
RAID partition
map when you didn't change it, the error message is confusing if not scary.

 - It should have some progress message or at least some "please wait" right 
after it
so people know it's not actually dead (currently, it's a blank/red screen with 
no text)

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[Bug 146230] Re: update ps3-kboot to 1.4.1

2008-04-05 Thread Benjamin Herrenschmidt
FYI, I successfully booted the install CD (from a daily snapshot of
hardy as of today or so) using petitboot 0.2

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[Bug 146230] Re: update ps3-kboot to 1.4.1

2008-04-05 Thread Benjamin Herrenschmidt
correction... it boots, but after it switches to ncurses, I don't have any text 
displayed. I see the blue background,
I see the red of the active button, I see the blinking cursor in console mode, 
but it generally acts as if the 
console font had been turned to ... nothing. I do see the text before it gets 
to the installer, it breaks about when
it starts the nucurses installer.

I haven't tried live as it clearly says it can't install from live due
to lack of RAM.

Ben.

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[Bug 146230] Re: update ps3-kboot to 1.4.1

2008-04-06 Thread Benjamin Herrenschmidt
I've seen variants of this problem on other machines, and afaik it's been 
reported on amd64 too. Usually, the
installer loses fonts on the non-ncurses consoles after two switches 
back/forth... looks like it just got worse.

The kernel has at least one font since I see some messages at boot...

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[Bug 204937] Re: [hardy] kernel oops triggered by trackerd

2008-03-26 Thread Benjamin Herrenschmidt
Note to the triagers: while I can't exclude the possibility, it doesn't
smell like an architecture bug to me, more like a generic bug. The quad
is SMPx4 and I was doing extensive disk accesses while trackerd was
running, using multiple filesystems (ext3 and xfs), so the kernel was
quite "exercized" in ways that I suspect a lot of users don't, which
would explain why this didnt' show up on x86.

I'll torture the machine see if I can get that to happen again, and
maybe find out a repro-case.

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[Bug 93509] Re: xorg fails with ati driver with feisty on Apple ppc (post herd5 update)

2007-04-24 Thread Benjamin Herrenschmidt
As-is, the X.org x86emu doesn't work properly on pretty much all ppc
machines. That's why the normal int10 soft-boot path is #if
!defined(__powerpc__) already in the driver. It seems like ubuntu
applied a patch to X.org ATI driver that causes it to use VBE for EDID
in many cases where it wouldn't happen before, thus causing the breakage
on machines where VBE won't work properly. I've discussed with some of
the X hackers who are working on the X ATI driver and they seem fairly
unhappy about this patch in the first place. I think at least, the VBE
bit should be made #if !defined(__powerpc__) as well.

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Re: [Bug 104630] Re: mplayer ppc crash due to incorrect use of fsqrt

2007-04-29 Thread Benjamin Herrenschmidt
On Sun, 2007-04-29 at 13:04 +, Unai Uribarri wrote:
> I've recompiled this package from the sources (with dpkg-buildpackage)
> and realized that it was being built for a G5 CPU. Look at the the GCC
> flags -mcpu=7450 & -mtune=7450. Therefore, this package doesn't work on
> G3 nor G4 cpus.

No, 7450 is G4. It will not work on G3 because of the use of altivec
though. There must be some other place causing generation of the
incorrect instruction, that can't be caused by mcpu-7450.

> cc   -DHAVE_AV_CONFIG_H -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> -D_ISOC9X_SOURCE -I.. -I.. -I../libavutil -Wdeclaration-after-statement
> -O4 -mcpu=7450 -mtune=7450 -pipe -ffast-math -fomit-frame-pointer
> -maltivec -mabi=altivec -D_REENTRANT -D_LARGEFILE_SOURCE
> -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -I/usr/include/directfb
> -I/usr/include -I/usr/include/  -I/usr/include/SDL -D_GNU_SOURCE=1
> -D_REENTRANT -I/usr/include/kde/artsc -pthread -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include  -D_REENTRANT   -I/usr/include
> -I/usr/include/dvdnav -I/usr/include/freetype2 -I/usr/include
> -I/usr/include/liveMedia  -I/usr/include/UsageEnvironment
> -I/usr/include/BasicUsageEnvironment
> -I/usr/include/groupsock -I/usr/include/gtk-2.0
> -I/usr/lib/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo
> -I/usr/include/pango-1.0 -I/usr/include/glib-2.0
> -I/usr/lib/glib-2.0/include -I/usr/include/freetype2
> -I/usr/include/libpng12-c -o cavsdsp.o cavsdsp.c
>

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Re: [Bug 104630] Re: mplayer ppc crash due to incorrect use of fsqrt

2007-04-29 Thread Benjamin Herrenschmidt
On Sun, 2007-04-29 at 13:26 +, Unai Uribarri wrote:
> Well. 7450 is indeed a G4 cpu. The problem seems to be that the configuration 
> script detects the CPU of the machine and builds a binary tailored for that 
> CPU.
> The maintainer of this package should have a G5 machine; that's all.

Heh, that's a serious gentooism :-)

Having altivec stuff in is fair enough. I don't know why the whole
package has to compile with altivec though, that makes it unsuitable for
G3s, it shouldn't be too hard to only build some files with -maltivec
and do runtime tests, but that's a different problem.

The configuration needs to be fixed.

Ben.

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[Bug 106723] uinput bug cause 32 bits mouseemu to crash 64 bits kernel

2007-04-15 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: linux-source-2.6.20

On powerpc64 machines, when mouseemu runs (32 bits), it causes the
kernel to crash when moving the mouse.

The crash happens somewhere in do_gettimeofday, probably getting passed a bogus 
timeval pointer,
I haven't had time to investigate in details yet. I suspect it's a 32/64 bits 
conversion bug in uinput.

Disabling mouseemu on powerpc64 is a workaround for now. I'll update this 
report when I find the
actual kernel bug.

** Affects: linux-source-2.6.20 (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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Re: [Bug 93509] Re: xorg fails with ati driver with feisty on Apple ppc (post herd5 update)

2007-06-27 Thread Benjamin Herrenschmidt
On Wed, 2007-06-27 at 10:18 +, tshirtman wrote:
> I found a good and simple solution here: 
> https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/82875/comments/8
> just added 
> 
> Option "noint10" "yes"
> 
> in the driver section... and all went good, 1300+fps :D I've a bug in compiz 
> (about 1/5 of the screen at the right doesn't refresh correctly) but this is 
> a different bug. 
> good bye ;)

Saw that with compiz too. Note that the beryl packages at
http://ubuntu.beryl-project.org don't have that problem.

(It's still bloody slow, we need to get Michel Daenzer no copy stuff
backported and adapted to r200 for that to improve)

Ben.

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[Bug 78426] Re: mplayer crash with "illegal instruction" on PPC

2007-04-08 Thread Benjamin Herrenschmidt
*** This bug is a duplicate of bug 74282 ***
https://bugs.launchpad.net/bugs/74282

Note that there seem to be -another- problem with mplayer on ppc. It
dies on my G4 in feisty with an illegal instruction which is due to the
use of the fsqrt instruction (specifically in read_font_desc_ft()). I
haven't yet looked at wether this is a problem in the code picking wrong
CPU optimisations or if it's been built -mpowerpc-gpopt, enabling use of
hte optional GP instructions (which are really only available on 64 bits
processors at this point).

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[Bug 78426] Re: mplayer crash with "illegal instruction" on PPC

2007-04-08 Thread Benjamin Herrenschmidt
*** This bug is a duplicate of bug 74282 ***
https://bugs.launchpad.net/bugs/74282

Actually, since it's a different problem, I'll open a separate report

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[Bug 104630] mplayer ppc crash due to incorrect use of fsqrt

2007-04-08 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: mplayer

(this is not a dup of the various bugs about incorrect usage of altivec
instructions on G3 machines...)

The mplayer package in feisty started crashing on G4 machines (among others) 
due to the use of
the fsqrt instruction which is part of the GP optional instruction set and 
currently only available,
afaik, on 64 bits processors.

It's been either open-coded or been generated by gcc due to the use of the 
-mpowerpc-gpopt compilation
flag, either way, it now SIGILL's on G4 machines which is fairly annoying.

** Affects: mplayer (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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[Bug 43233] Re: "sudo -k" fails when timestamp is in the future

2007-03-31 Thread Benjamin Herrenschmidt
Got that one as well on a ps3 today... date jumped back 1h (due to some
incorrect daylight saving setting I suspect) and sudo stopped working ..
for 1h.

sudo -k or -K should really be fixed to at least fallback to asking the
password if the timestamp is crap.

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[Bug 80920] r300 DRI broken on big endian (edgy regression)

2007-01-21 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: libgl1-mesa-dri

The version of the r300 DRI driver in Edgy doesn't work properly on big
endian machines like PowerBooks. It basically software fallbacks everything
due to a buglet in upstream Mesa that got fixed, but the version Edgy got
was snapshotted before the fix. I'll attach the patch to the bug.

** Affects: mesa (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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[Bug 80920] Re: r300 DRI broken on big endian (edgy regression)

2007-01-21 Thread Benjamin Herrenschmidt
This patch has been applied in upstream Mesa and is missing in Edgy to
fix a regression causing the r300 DRI to always software fallback on big
endian machines.

The patch will have no impact on little endian machines due to it's very
nature of removing an ifdef :-) It should be obvious enough to be
accepted for an edgy update unless there's a good reason to keep a non-
working r300 dri for ppc in there.


** Attachment added: "Fix r300 DRI on big endian"
   http://librarian.launchpad.net/5808404/dri-r300-ppc-fix.diff

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Re: [Bug 16873] Re: system freeze when using ati radeon 7000 with xorg "ati" driver

2006-11-16 Thread Benjamin Herrenschmidt
On Thu, 2006-11-16 at 16:29 +, Robert Knight wrote:
> I have discussed the matter with David Airlie, who maintains the xorg
> ati driver.  He told me that Ubuntu have added quite a number of patches
> to the ati driver, and it isn't a straightforward matter - for someone
> who is not familiar with the X code at least (ie. myself) - to find a
> patch in the x.org git tree and apply it to the Ubuntu version of the
> driver.
> 
> I did have a look at both codebases, and I really was way out of my depth.  
> The short story is that I upgraded to 'Edgy' where the issue has been fixed, 
> much as I would have preferred a "safe and stable" release on my main machine.
> 
> This bug is very serious, and I strongly suggest upgrading its severity.

well, I've told ubuntu folks I know my feeling on the matter several
times. I beleive that they should use the latest stable driver release
in dapper too...

Ben.

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[Bug 72832] Re: no console started on cell machine

2006-11-23 Thread Benjamin Herrenschmidt
Those are cell blades. They don't have a graphic chip and like most IBM
servers, the kernels don't actually need VT support since they don't
actually need any graphic card. They are generally used via serial or HV
console.

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[Bug 72832] Re: no console started on cell machine

2006-11-23 Thread Benjamin Herrenschmidt
To add a bit to that, it should be expected on servers to not have VTs.
I think the server version of distro should be able to deal with that

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[Bug 61861] Re: fails to build on ppc

2006-09-24 Thread Benjamin Herrenschmidt
Can I get a quick step-by-step howto reproduce the build environment ? I
have a quad g5 running dapper here that should be able to reproduce. Or
at least how to get the source of the bits that are segfaulting...

There is something that comes to mind right away though: rb_thread_* . I
don't know what that is, but if something is trying to invent it's own
threading/locking primitives without using glibc, then it's most likely
to get them wrong (incorrect barriers especially).

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[Bug 61861] Re: fails to build on ppc

2006-09-25 Thread Benjamin Herrenschmidt
Well, it didn't reproduce on my quad g5, at least not right away.
However, looking at the source is a bit scary ... that thing is just a
steaming pile of poo to re-use paulus expression... especially the way
it "synchronizes" with the timer thread without using any
synchronisation primitives, not even the (generally bogus) volatile,
etc... it's scray how bad that code is and I would definitely expect
random behaviour in races with it's timer thread thingy. I don't know if
it also takes signals but if it does, it's racy too, things like
rb_disable_interrupt++ to mask interrupts just don't work

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[Bug 62378] wpasupplicant isn't launched when iface up

2006-09-25 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: wpasupplicant

I have in my /etc/network/interfaces:

iface eth1 inet manual
wpa-driver wext
wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf.benh
wpa-action /etc/wpa_supplicant/dhclient

worked fine with dapper (well, sort-of, it didn't launch dhclient, I had
to do that by hand). now, with edgy (ppc) wpa_supplicant isn't launched
automatically at all. It works if I launch it manually and then dhclient
though.

(The interface is my internal bcm43xx with 2.6.18 kernel and some
patches to fix softmac races that I'm testing. That same setup works
with dapper as explained).

BTW. Not directly related, but it's time for that gnome network setup
frontend to add some WPA support ...

** Affects: wpasupplicant (Ubuntu)
 Importance: Untriaged
 Status: Unconfirmed

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[Bug 62379] edgy evolution don't remember pop password

2006-09-25 Thread Benjamin Herrenschmidt
Public bug reported:

evolution 2.8.0 never remembers my pop password. It asks for it again on
every connection despite the checkbox "remember password" being checked.

(edgy on ppc)

** Affects: wpasupplicant (Ubuntu)
 Importance: Untriaged
 Status: Unconfirmed

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edgy evolution don't remember pop password
https://launchpad.net/bugs/62379

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[Bug 61861] Re: [Bug 61861] Re: fails to build on ppc

2006-09-25 Thread Benjamin Herrenschmidt
On Tue, 2006-09-26 at 05:46 +, Fabio Massimo Di Nitto wrote:
> I have asked our sysadmins to upgrade/install an edgy kernel on davis
> (where we can reproduce the problem) to see if a new kernel fixes this
> issue. ETA is within 24/48 hours. davis also needs some hw love and
> that's why they can't reboot it right away.

Note that I still reckon the code is a pile of crap and it's just
problems waiting to happen ... it's totally racy.

Ben.

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fails to build on ppc
https://launchpad.net/bugs/61861

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Re: [Bug 61861] Re: ruby1.8: fails to build on ppc under 2.6.15 kernel

2006-09-26 Thread Benjamin Herrenschmidt
On Tue, 2006-09-26 at 17:03 +, Fabio Massimo Di Nitto wrote:
> I can't agree more on that but it's still worth to dig into why a kernel
> can make a difference IMO.

Could be signal & get/setcontext issues we fixed, I think, in 2.6.16 or
17. Ruby seems to use them.

Ben.

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Re: [Bug 61861] Re: ruby1.8: fails to build on ppc under 2.6.15 kernel

2006-09-26 Thread Benjamin Herrenschmidt
On Wed, 2006-09-27 at 03:25 +, Fabio Massimo Di Nitto wrote:
> confirmed that it does build with .17.
> 
> Ben do you have the patch to fix these signal & get/setcontext issues
> somewhere? is it worth to backport it to .15 (if possible at all?)

No patch at hand. From memory, there have been a load of signal related
fixes around 2.6.16 or so, backporting might not be simple. You can try
to diff signal_32.c but it might have dependencies on changes in the asm
code...

I'll try to have a look maybe next week or later this week.

Ben

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[Bug 577800] [NEW] hangs when fork/exec'ing due to miscompile

2010-05-09 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: cdebootstrap

strace output seems to indicate that it hangs in the poll() loop in
internal_di_exec()

Further examination seems to indicate that the child process never calls
internal_di_exec_child()

Removing the attribute((noreturn)) from the later function appears to
fix it

** Affects: cdebootstrap (Ubuntu)
 Importance: Undecided
 Status: New

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hangs when fork/exec'ing due to miscompile
https://bugs.launchpad.net/bugs/577800
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[Bug 577804] [NEW] function with attribute((noreturn)) never called in cdebootstrap

2010-05-09 Thread Benjamin Herrenschmidt
Public bug reported:

Binary package hint: gcc

cdebootstrap on x86_64 hangs whenever it tries to fork/exec a child
process. It appears that this is miscompiled:

  if (pid <= 0)
  {
close (fds_status[0]);
close (fds_stdout[0]);
close (fds_stderr[0]);
  }

  if (pid == 0)
internal_di_exec_child (filename, argv, envp, pid, child_prepare_handler, 
child_prepare_user_data, fds_status[1], fd_null, fds_stdout[1], fds_stderr[1]);

  close (fd_null);

strace shows that the child process gets to the close(fd_null) without
executing any of the statements inside internal_di_exec_child().

The later function is marked attribute((noreturn)). If I remove that
attribute, then things work properly.

** Affects: gcc-defaults (Ubuntu)
 Importance: Undecided
 Status: New

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https://bugs.launchpad.net/bugs/577804
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[Bug 446146] Re: Huawei E169 USB dongle not working with kernel 2.6.31-12.40

2009-11-01 Thread Benjamin Herrenschmidt
As I said multiple times already, the E220 bug (and possibly the E620
bug too) are a different problem (well, they seem to be) since you claim
they aren't fixed by the existing patch in 2.6.31.5. Hence, you guys
should file a bug report on bugzilla.kernel.org and attach usbmon logs
(or attach such logs here and I can forward to BZ.k.o). Make sure to CC
me and Alan Stern if you open the bug yourself.

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Huawei E169 USB dongle not working with kernel 2.6.31-12.40
https://bugs.launchpad.net/bugs/446146
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[Bug 432222] Re: mountall fails, broken (powerpc?) gcc?

2009-09-21 Thread Benjamin Herrenschmidt
Hrm, somebody is taking chances here.

Nested functions are evil and forbidden by ISO C standard.

I don't know what kind of black magic gcc is supposed to use to be able
to find the local variables of the declaration scope when the nested
function is called via a function pointer from outside. I suppose it
will have to create some kind of trampoline on the stack, which means
you lose non-exec stack capability for your program.

It may still be a bug that it doesn't work on ppc with some
optimisations, but it's really not proper C in the first place.

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mountall fails, broken (powerpc?) gcc?
https://bugs.launchpad.net/bugs/43
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[Bug 449394] Re: Huawei E220 modem unable to connect under Karmic

2009-11-10 Thread Benjamin Herrenschmidt
Now, regarding this bug:

 - It's being tracked upstream at
http://bugzilla.kernel.org/show_bug.cgi?id=14499

 - I got in touch with a Huawei engineer who will try to reproduce. In the 
meantime, he needs to know
the FW version on the modems with a problem. I will post the procedure to 
retrieve that version to the
kernel.org bugzilla entry above. You can reply with your version either there 
or here


** Bug watch added: Linux Kernel Bug Tracker #14499
   http://bugzilla.kernel.org/show_bug.cgi?id=14499

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Huawei E220 modem unable to connect under Karmic
https://bugs.launchpad.net/bugs/449394
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Re: [Bug 446146] Re: Several Huawei USB dongle don't work with kernel 2.6.31-12.40 (2.6.31.1 update related)

2009-11-12 Thread Benjamin Herrenschmidt
On Thu, 2009-11-12 at 09:44 +, BUGabundo wrote:
> appending 
>cat /sys/kernel/debug/usb/usbmon/0u >log_file.txt
> asked by Benjamin
> 
> its a 40MB file. hope this doesnt time out
> 
> ** Attachment added: "log_file.txt"
>http://launchpadlibrarian.net/35569322/log_file.txt

Thanks, but I think we already have a relevant log from a E220, it
appears to be bugs in the modem FW that Linux can't quite cope with
properly at this stage. It looks like updating the modem FW may fix it
though I've asked my contact at Huawei to provide more infos as to
whether there is an "official" source for those firmwares and whether
there is some kind of Linux based updater instead of Windows XP...

Cheers,
Ben.

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Several Huawei USB dongle don't work with kernel 2.6.31-12.40 (2.6.31.1 update 
related)
https://bugs.launchpad.net/bugs/446146
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