Thanks Reinout, I think that's exactly what it is, Intel G45, well
spotted.
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Turns out my problem isn't the cdrom one, but the i915 graphical card bug
that's causing udevd to use up the CPU.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/440411
baronrouge, you might want to look at that one to see if matches better.
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OK, thanks, will do. Sorry if I posted in the wrong place.
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@baronrouge:
Since you are seeing the same thing with different hardware you should
probably open a new bug. Everyone else here who has seen the issue has
been able to solve it for them by disabling cdrom polling. Maybe you can
do some poking around to see what events are causing issues for you?
W
I'm seeing the same issue on an Asus UL30A with no optical drive.
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** Changed in: devicekit
Status: Unknown => Confirmed
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I created an upstream bug for the blacklisting feature in devicekit-
disks, will discuss it there.
** Also affects: devicekit-disks (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: freedesktop.org Bugzilla #26508
https://bugs.freedesktop.org/show_bug.cgi?id=26508
** Al
Hm, we don't currently have a facility in devicekit-disks to inhibit
polling on a per-device basis (that'd need to go into
update_info_media_detection() in src/device.c and we need to invent a
new udev property for this).
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@Martin Pitt
While we wait to see if there's a better fix, we could disable polling
the drive in Ubuntu by default. What are your thoughts?
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For everyone still having this issue:
In the upstream bug Tejun Heo has offered to work on a solution to this
issue if someone could send him an affected unit.
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Chase, mine is a Optiarc DVD RW AD-7640S.
As far as I know no firmware upgrades are available. On
http://www.sony-optiarc.eu/ I can't find the AD-7580S nor the AD-7640S. Optiarc
refers to the reseller. Mine has no updated firmware, but then they probably
don't care since it seems to work in Wind
I don't seem to see this issue anymore. Not sure what was up. Here's a
snippet from lshw if it's interesting:
*-cdrom
description: DVD-RAM writer
product: DVDRAM GH24NS50
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Is there anyone who has this issue but has a different drive?
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Chase Douglas (chasedouglas)
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After reading the comments in the kernel bugzilla it seems that everyone
who has reported this issue with the optical drive model has a
Optiarc_DVD_RW_AD_7580S. According to the responses, this could very
well be a firmware issue with the drive itself.
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h
To follow up on my comment (number 37): the current "workaround" I'm
using is closing the laptop lid, waiting for it to suspend and opening
it again. Udev quiets down after that.
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AmadeuS: probably because of the disabled i915 power management in the latest
lucid kernel, so this is not really fixed.
see LP:492392 and
http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_2.6.32-11.15/changelog
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I've just updated my 10.04 alpha and the problem went away. It seems the
daily update has some kind of fix for this bug.
Cpu usage levels are normal 0-1% (against 10-20% before), when the
computer rests. udev functionality is ok too as udevadm monitor doesn't
report a loop.
Thanx
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Found solution for me:
Tried to restart udev:
service udev restart
(But after restarting, hal - was stopped, and new USB devices are not working
in X)
I was looking at:
udevadm monitor
KERNEL[1262607846.033487] change
/devices/pci:00/:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
KERNEL[126
Similar problem on a Lenovo SL510 thinkpad. After a while udevd goes to
25% CPU.
"sudo restart udev" does not help, I've got to "sudo killall udevd" a
couple of times to kill off all udevd instances. Then the CPU goes
quiet. Followed by a "sudo start udev" of course.
Problem: after doing that, my
** Description changed:
Binary package hint: udev
Before I upgraded the udev version of jaunty from 141-1 to 141-1.1, top
reported about 2% total cpu usage when idle. After the update, it rarely
drops below 35%. Though top lists udevd among the more cpu hungry
processes, it is only li
Please ignore my comment, I have found that on my case the high cpu was a
consequence from bug:
https://bugs.launchpad.net/ubuntu/+source/mountall/+bug/480564
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I am experiencing this using Ubuntu 10.04 (kernel 2.6.32-7-generic),
Laptop Lenovo T400 .
It seems to be related to the following error which floods daemon.log:
...
Dec 12 14:16:25 laptop init: ureadahead-other main process (18121) terminated
with status 4
...
$ grep -c "ureadahead-other main pro
Works, at least partially.. When I restart udev other issues are being
induced (e.g. the gnome-power-manager icon is not shown afterwards).
Personally I prefer inserting a blank CD for calming the daemons down.
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You
See remarks:
https://bugs.launchpad.net/ubuntu/+source/devicekit-
disks/+bug/481626/comments/9
Summary: "sudo restart udev" resolves the problem at least until the
next reboot.
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Confirming with another Acer Extensa 5630EZ: udevd hogs the cpu and eats
memory until the system starts swapping and gets completely unusable.
Problem goes away until next reboot after restarting udevd or inserting
a CD. Attached "udevadm monitor -e" output.
Karmic kernel=2.6.31-16 udev=147~-6
**
yes, but in the meantime my computer is not working properly :P
please, have a look at Bug #481626, because I fear they are not
strictly duplicates
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Totally off-topic but this is why I like linux so much: it's the sense
of community! Everybody striving to make stuff better... Thank you bug
reporters and bug fixers!
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Confirming this issue on Acer Extensa 5630EZ with Optiarc DVD RW on up-
to-date Karmic Koala. Also confirming the workarounds (restarting udev
or inserting a CD). Added a comment to kernel bugzilla.
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oh, and i can also recommend the empty CD/DVD because with a full disc
the drive keeps running all the time making some noise.
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hello,
i have the same problem on an acer extensa notebook, putting a disc in
the cdrom also works for me.
top with empty cdrom-drive:
PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND
I think I am experiencing this bug also. For me, it seems like udev
keeps taking more and more memory, and the main CPU issue is swapping.
It caused a system with 1 GB of memory to become very slow.
Linux tiger 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:05:01 UTC
2009 x86_64 GNU/Linux
(I have
Apparently, inserting a CDROM into the cd drive fixes this issue for me.
The cpu drops to 2-4% when I do this (even an empty DVD-R will do the
trick).
After ejecting it, the CPU will go back to 20-40%.
Can I submit anything to enable someone to find a fix?
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The same problem on my new Lenovo Y550. There was no such a case on my previous
laptop.
Karmic kernel=2.6.31-14 udev=147~-6.1
Killing udevd solves it.
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I can confirm the same behavior with my sony VAIO NS12M. Stopping and
restarting udev solves the problem, though, as MattSchnitz pointed out.
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I too am getting this bug on the Karmic release version. The only reason
I'm reporting is that it's happening on my /dev/sdb1 IDE hard disk root
partition, not a DVD-ROM/CD-ROM.
A "sudo stop udev; sudo start udev" seems to stop the stream. Karmic
kernel: 2.6.31-14-generic; udev: udev_147~-6
Snipp
Karmic kernel: 2.6.31-6-generic udev: 145-1
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I just upgraded and the problem is still there:
Karmic kernel=2.6.31-5 udev=145-1
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I'm still seeing the issue with:
Jaunty kernel=2.6.28-14 udev=141-1.2
On 8/11/09, Leann Ogasawara wrote:
> Hi Guys,
>
> Just want to get some info from everyone still seeing this issue. Can
> you report which release you're running, which kernel version, and which
> version of udev you see thi
Hi Guys,
Just want to get some info from everyone still seeing this issue. Can
you report which release you're running, which kernel version, and which
version of udev you see this issue with? For example:
Karmic kernel=2.6.31-5 udev=145-1
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For me the problem is still there. If I remove the files generated by
"hal-disable-polling --device /dev/scd0" (see kernel bug tracker), cpu
usage goes up again, with kernel 2.6.28-14 as well as 2.6.30.2.
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It's strange but the problem has gone away on my notebook for a few days
now (and a few reboots too) and I'm not aware of anything I could have
done to make this happen other than installing regular updates. I'm now
on kernel version 2.6.28-14-generic.
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h
** Changed in: linux
Status: Unknown => Confirmed
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** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=13783
Importance: Unknown
Status: Unknown
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Neither kernel 2.6.31-rc3 nor udev-141-1.2 changed anything. I reported the bug
here:
http://bugzilla.kernel.org/show_bug.cgi?id=13783
** Bug watch added: Linux Kernel Bug Tracker #13783
http://bugzilla.kernel.org/show_bug.cgi?id=13783
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Hi Guys,
Care to do an additional set of testing the 2.6.31-rc3 kernel - Refer to
https://wiki.ubuntu.com/KernelMainlineBuilds . If the issue still
remains, would one of you also mind opening an upstream bug report at
bugzilla.kernel.org? It will allow additional upstream developers to be
notifi
This bug affects me too. I have found also by killing hald or dbus-
daemon(messagebus) the cpu runs normally.
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No change in kernel 2.6.30-020630-generic.
Something I wanted to point out as the problem seems to be related to
the optical drive: the drive is a slot-in drive which sucks in the CD or
DVD when inserting a media into the slot.
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Andreas just beat me to it :-)
I can't see a change after installing 2.6.30-020630rc8-generic.
A few seconds of output from 'udev monitor' after reboot:
KERNEL[1244486895.025752] change
/devices/pci:00/:00:1f.2/host1/target1:0:0/1:0:0:0 (scsi)
KERNEL[1244486895.027201] change
/devi
Yes, the problem is still there with linux 2.6.30-rc8. With
udev-141-1.1, I get a similar udevadm output as Christian Mallwitz. With
version 141-1, udevadm lists only the events with SUBSYSTEM=block and
omits those with SUBSYSTEM=scsi.
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Hi Guys,
Could one of you also test the latest mainline kernel build? It'd be
good know if this issue is exhibited with the upstream kernel and thus
likely to still be an issue going into Karmic? I'd suggest testing the
2.6.30-rc8 kernel - https://wiki.ubuntu.com/KernelMainlineBuilds .
Please le
According to the comment by Christian Mallwitz, this is caused by a high
number of messages coming from the kernel that require processing
** Package changed: udev (Ubuntu) => linux (Ubuntu)
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** Attachment added: "output of udevadm monitor --environment"
http://launchpadlibrarian.net/27262979/udevadm.txt
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** Attachment added: "output of lspci"
http://launchpadlibrarian.net/27262909/lspci.txt
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** Attachment added: "output of dmesg after reboot"
http://launchpadlibrarian.net/27262928/dmesg.txt
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Same problem here: new FUJITSU SIEMENS Amilo Si 3655 with fresh install
of Ubuntu 9.04 x64. Only out of the ordinary: I have VirtualBox OSE
installed.
The kernel seems to constantly generate messages that something changed
with the DVD drive and udevd is processing the kernel events (according
to
I have been seeing this exact same behavior on my Acer 4730Z. I am
running Ubuntu 9.04 x64, (clean install) and have 4gb Ram. I first
noticed this behavior right after an update about 1 month ago. I also
have started seeing issues launching a terminal session, but am unsure
if the issue is rela
** Attachment added: "Output of top with udev-141-1.1"
http://launchpadlibrarian.net/27108298/top-new-udev.txt
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** Description changed:
Binary package hint: udev
Before I upgraded the udev version of jaunty from 141-1 to 141-1.1, top
reported about 2% total cpu usage when idle. After the update, it rarely
drops below 35%. Though top lists udevd among the more cpu hungry
processes, it is only l
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