@Maciej S
Try killing the process udisks-daemon before suspending. It seems that actually
accessing (polling/reading) the dvd drive after a suspend/resume triggers this
bug. I don't need the dvd drive anyway, so I blacklisted it for now for
udisks-daemon through udev rules (see Bug #379780 if
I believe there's either something with the CD-ROM driver (which might not be
the case, since my wild guess is that different DVD-RW units are mounted on the
F5 series of laptops) or with the IDE/SATA driver for the SiS motherboard on
the F5 series.
How can we determine which piece of code
@Maciej S
Wow, that's certainly a find! I can confirm that removing the dvd drive solves
the problem for me as well. Replacing the drive does not work, which leads me
to the conclusion which Cristian already wrote, that it's probably a failure in
the sis sata driver.
from lspci -k :
00:05.0
Hi!
I found some kind of solution to hibernation problem! :-)
I've removed CD-ROM from my laptop Asus F5V and now hibernation does work! I
seems that CD-ROM driver is corrupted, or something with SCSI.
Maciej
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Bugs, which
Does 'series that is no longer supported' refer to the kernel, or to the
hardware? Cause I'm still getting the bug on the 'lovely' Asus F5SL as
of Lubuntu 11.10, sporting
3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:50:42 UTC 2011 i686 i686
i386 GNU/Linux
Does anybody have a pointer to how I
This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
I've got this bug too. For me disabling modules didn't work. But I found out
that it depends on the software which is running after resuming. I can
suspend/resume from recovery-console, or from commandline only. But as soon as
I try to load some gnome-related applications (nautilus, gedit,
This stopped happening on my macbook pro after I upgraded to 11.4
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https://bugs.launchpad.net/bugs/467127
Title:
ksoftirqd/0 hogs one core after resume from suspend
To manage
In my case, I can usually suspend and resume, but if I suspend, resume,
and try to suspend again a few minutes later, ksoftirqd begins using
100% of the CPU. This creates a particularly bad situation because if I
don't catch it, the laptop starts to heat up in my bag. I'm running a
custom compiled
It seems quite strange that a lot of the machines reported here are Asus
models. Mine is also a Asus F5SR.
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Title:
ksoftirqd/0 hogs one core
Asus laptops seem to be very unsuccessful ones... Mine also freezes
(under windows xp) almost every time it remains on battery for a couple
of minutes. It also has problems with booting after a restart (unless
powered off). I guess those bugs have something to do with the ACPI
implementation from
I also have this bug on my Asus F5SL (X50SL) laptop. I use Ubuntu 10.04:
Linux ubuntu-laptop 2.6.32-28-generic #55-Ubuntu SMP Mon Jan 10 21:21:01
UTC 2011 i686 GNU/Linux
and here is my configuration:
lspci
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 671MX
00:01.0 PCI bridge: Silicon
Here is mine:
- lspci output:
00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory
Controller Hub (rev 07)
00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express
Graphics Port (rev 07)
00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Here is my configuration:
- lspci output:
00:00.0 Host bridge: Silicon Integrated Systems [SiS] 671MX
00:01.0 PCI bridge: Silicon Integrated Systems [SiS] PCI-to-PCI bridge
00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS968 [MuTIOL Media IO]
(rev 01)
00:02.5 IDE interface: Silicon
I'm experiencing this bug with kernel 2.6.37-8-generic on x86_64 Ubuntu
10.10
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Title:
ksoftirqd/0 hogs one core after resume from suspend
--
I have tried unloading module after module and nothing. I think the best
thing we can do is to post our full system specification and search for
a match and if we can find a pattern then we can report the bug to the
appropriate authority. I'll come back later with my laptop specs.
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You
I have a feeling this bug isn't just a single bug. After Shafqat's post,
i started removing modules after coming back from suspend. I didn't have
sr_mod, but after I unloaded my webcam modules (uvcvideo) my system
calmed down again (though sometimes this causes a kernel hard lock).
This problem is
I still get the problem with:
Ubuntu 10.04
Linux system76-pc 2.6.32-25-generic #45-Ubuntu SMP Sat Oct 16 19:52:42 UTC 2010
x86_64 GNU/Linux
I do not think that it has to do with Adobe Flash player running during
the suspend/hibernate and resume, but haven't specifically tested for
this.
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Same problem on Asus X50VL, with ubuntu 10.10 (and earlier on 10.04 and
9.10)
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Same problem on my Asus X59SL, with maverick.
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Unsolved as of:
#uname -a
Linux adler 2.6.32-25-generic #45-Ubuntu SMP Sat Oct 16 19:52:42 UTC 2010
x86_64 GNU/Linux
My observation is that if Firefox with Flash running is suspended and then
resumed the bug kicks in, however I cannot confirm that exactly. NOTE: I am not
running sr_mod
I experience this bug on an Asus F5VL laptop. I could reproduce it on
all Ubuntu versions I tested. (32 and 64 bit versions of Ubuntu 9.04,
9.10, 10.04 and 10.10 using stock and mainline kernels). I removed
practically all modules but had no luck so far.
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ksoftirqd/0 hogs one core after resume
@Shafqat: thank you for pointing this out, but i don't even have sr_mod
loaded as a module so, unfortunately, this workaround does not help.
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Hi. Please read this comment on another bug report for a possible
workaround:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/567660/comments/16
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I have this issue as well on my laptop.
2.6.32-34-generic #38-Ubuntu x86_64
Lucid Lynx (Ubuntu 10.04)
Core 2 Duo P9700 @ 2.8 GHz
It is currently occurring on CPU/1 with ksoftirq/1
It also happened with Ubuntu 9.10 but I don't remember it happening with
9.04, but that was CPU/0 and ksoftirq/0
This bug simply gives me no option. I have tried different kernels and
different Linux distros... Only Pardus 2008.2 works as expected, but
it's almost close to its end of life so it is not an option. I never
felt so abandoned by the Linux community, no solution in almost a year
now.
--
Reproducible on an Asus F5V laptop (Intel Core Duo, 2G RAM, SiS
motherboard, ATI Radeon X2300). Does anyone know a fix for this?
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Still reproducible on kernel 2.6.32-23. Hoping this will get fixed some
day so I can move on from 2.6.31-11-rt.
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Hi, Reporting the same issue on Ubuntu 10.4 (2.6.32-22) on Fujitsu
Siemens Amilo Pi 2530. I still pray that with the new kernel this
problem will be solved...but it persist!
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Updated to Ubuntu 10.4 (2.6.32-22) and problem persists on my Amilo Pi
2530. After hibernation ksoftirqd/0 gets 100% CPU usage.
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Just updated to 2.6.31-21 and the problem seems resolved. Thanks to
whoever fixed it.
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I've tried linux-rt kernel, but sadly that doesn't work for me, it's
another irq related process that eats one cpu on -rt after wakeup.
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** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Changed in: linux (Ubuntu)
Status: New = Triaged
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It's true! It does. Thanks for the tip. Finally, I can suspend again.
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I resolved this bug installing linux-rt kernel
I don't know why it works but it does !
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New kernel update, same version number, still no dice.
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Kernel 2.6.31-16 still has the same problem.
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I've had no luck with the upgrade, either.
** Description changed:
- At first, I didn't think there was a problem, because Ubuntu talked
- about a serious kernel problem and I didn't notice anything wrong. But
- now I see that the process 'ksoftirqd/0' has 100% CPU usage, while it
- didn't,
I have the exact same problem on my ubuntu karmic. i updated to kernel
2.6.31-15-generic (updated today) and nothing changed. when i suspend or make
my computer laptop hibernate, one cpu is using 100% (ksoftirqd/0) at wake up.
I have a laptop packard bell SB 87. Is there a fix for this? Thx in
Same problem with my Amilo Pi 2530, no oops but 100% of CPU for
ksoftirqd/0. Just happen to notice as one of the cores was running all
the time on 2GHz, which makes the fan very noisy.
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Well, thankfully, I don't experience the random freezes.
The problem continues even after the latest batch of updates, though.
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I dont' know if this is related, but occasional freezes of the whole system
occur as well after upgrade to 9.10.
I am going to downgrade to 9.04, as these are unacceptable.
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After upgrading to ubuntu 9.10 I have this annoying problem with my
fujitsu siemens amilo xi 2528.
** Description changed:
At first, I didn't think there was a problem, because Ubuntu talked
about a serious kernel problem and I didn't notice anything wrong. But
now I see that the process
I do not have any Oops, however. Just this ksoftirqd/0 using all the cpu
on core #0 after resuming from suspend.
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*** This bug is a duplicate of bug 464552 ***
https://bugs.launchpad.net/bugs/464552
Come on, this isn't a duplicate of bug 464552. I am _not_ complaining
about the crash report (anymore).
There's a kernel process consuming all of one core's CPU time, and now
I've noticed it also happens
*** This bug is a duplicate of bug 464552 ***
https://bugs.launchpad.net/bugs/464552
I don't think this is a duplicate of bug 464552, since that only deals
with the resume taking too long. I'm talking about ksoftirqd/0 getting
permanent 100% CPU usage after the resume, thus depriving me of
** This bug is no longer a duplicate of bug 464552
WARNING: at /build/buildd/linux-2.6.31/kernel/power/suspend_test.c:52
suspend_test_finish+0x80/0x90()
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*** This bug is a duplicate of bug 464552 ***
https://bugs.launchpad.net/bugs/464552
Hi kunami,
The warning reported here typically indicates that it took longer for
your system to resume from suspend than expected. I believe there is a
5 sec barrier which your system likely exceeded.
** Attachment added: AlsaDevices.txt
http://launchpadlibrarian.net/34797571/AlsaDevices.txt
** Attachment added: AplayDevices.txt
http://launchpadlibrarian.net/34797572/AplayDevices.txt
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/34797573/BootDmesg.txt
**
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