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[Bug 525047] Re: WARNING: at /build/buildd/linux-2.6.32/net/sched/sch_generic.c:261 dev_watchdog+0x1fe/0x210()


Sidhanti Sudheendra, this bug was reported a while ago and there hasn't
been any activity in it recently. We were wondering if this is still an
issue? If so, could you please test for this with the latest development
release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ .

If it remains an issue, could you please run the following command in
the development release from a Terminal
(Applications->Accessories->Terminal), as it will automatically gather
and attach updated debug information to this report:

apport-collect -p linux <replace-with-bug-number>

Also, could you please test the latest upstream kernel available (not the daily folder) following https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional upstream developers to examine the issue. Once you've tested the upstream kernel, please comment on which kernel version specifically you tested. If this bug is fixed in the mainline kernel, please add the following tags:

where VERSION-NUMBER is the version number of the kernel you tested. For example:

This can be done by clicking on the yellow circle with a black pencil icon next to the word Tags located at the bottom of the bug description. As well, please remove the tag:

If the mainline kernel does not fix this bug, please add the following tags:

As well, please remove the tag:

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your

** This bug is no longer a duplicate of bug 535315
   WARNING: at /build/buildd/linux-2.6.32/net/sched/sch_generic.c:261 dev_watchdog+0x262/0x270()

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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  WARNING: at /build/buildd/linux-2.6.32/net/sched/sch_generic.c:261

Status in “linux” package in Ubuntu:

Bug description:

  ProblemType: KernelOops
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Annotation: Your system might become unstable now and might need to be restarted.
  Architecture: i386
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
   /dev/snd/controlC0:  sidhanti   3045 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
   Card hw:0 'Intel'/'HDA Intel at 0xf4800000 irq 22'
     Mixer name	: 'Conexant CX20561 (Hermosa)'
     Components	: 'HDA:80862802,80860101,00100000 HDA:14f15051,17aa3c2f,00100000'
     Controls      : 19
     Simple ctrls  : 9
  Date: Sat Feb 20 06:39:32 2010
  DistroRelease: Ubuntu 10.04
  Failure: oops
  Frequency: Once a day.
  HibernationDevice: RESUME=UUID=44e6230c-659e-4124-a71a-d818407dce7b
  InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
  MachineType: LENOVO 2781
  Package: linux-image-2.6.32-13-generic 2.6.32-13.18
  ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-13-generic root=UUID=7ce7908f-a6b7-41cb-8e5d-476965b5e572 ro quiet splash
  ProcVersionSignature: Ubuntu 2.6.32-13.18-generic
  Regression: No
  RelatedPackageVersions: linux-firmware 1.29
  Reproducible: No
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  TestedUpstream: No
  Title: WARNING: at /build/buildd/linux-2.6.32/net/sched/sch_generic.c:261 dev_watchdog+0x1fe/0x210()
  Uname: Linux 2.6.32-13-generic i686
  dmi.bios.date: 11/04/2008
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 0BCN47WW(V2.06)
  dmi.board.name: JITR1
  dmi.board.vendor: LENOVO
  dmi.board.version: REFERENCE
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: No Enclosure
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnLENOVO:bvr0BCN47WW(V2.06):bd11/04/2008:svnLENOVO:pn2781:pvrIdeaPadY430:rvnLENOVO:rnJITR1:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A:
  dmi.product.name: 2781
  dmi.product.version: IdeaPad Y430
  dmi.sys.vendor: LENOVO

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