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[Bug 753165] Re: WARNING: at /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256 dev_watchdog+0x2a0/0x2b0()

 

Joe Edmonds, 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:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested. For example:
kernel-fixed-upstream-v3.13-rc3

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:
needs-upstream-testing

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

As well, please remove the tag:
needs-upstream-testing

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
understanding.

** Tags added: bios-outdated-204

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

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

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https://bugs.launchpad.net/bugs/753165

Title:
  WARNING: at /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256
  dev_watchdog+0x2a0/0x2b0()

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  An icon popped up in my Notification Area and walked me through a bug
  report.

  I assume this is related to the X or kernel hang I just recovered from
  using alt-sysrq-b.

  Feel free to reject this report if it's not useful; just reporting it
  because the wizard walked me through it.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 11.04
  Package: linux-image-2.6.38-8-generic 2.6.38-8.41
  Regression: Yes
  Reproducible: No
  ProcVersionSignature: Ubuntu 2.6.38-8.41-generic 2.6.38.2
  Uname: Linux 2.6.38-8-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
  Annotation: Your system might become unstable now and might need to be restarted.
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  joe        1620 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xd4000000 irq 42'
     Mixer name	: 'Intel IbexPeak HDMI'
     Components	: 'HDA:10ec0269,10431093,00100004 HDA:80862804,80860101,00100000'
     Controls      : 17
     Simple ctrls  : 9
  Date: Wed Apr  6 13:00:47 2011
  Failure: oops
  Frequency: I don't know.
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  Lsusb:
   Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 003: ID 064e:a136 Suyin Corp. Asus Integrated Webcam [CN031B]
   Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK Computer Inc. U35F
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic root=UUID=b0aa3513-848f-426a-b1f4-5a399ebc04eb ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-2.6.38-8-generic N/A
   linux-backports-modules-2.6.38-8-generic  N/A
   linux-firmware                            1.49
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  Title: WARNING: at /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256 dev_watchdog+0x2a0/0x2b0()
  UpgradeStatus: Upgraded to natty on 2011-04-02 (5 days ago)
  dmi.bios.date: 06/29/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: U35F.201
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: U35F
  dmi.board.vendor: ASUSTeK Computer Inc.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK Computer Inc.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrU35F.201:bd06/29/2010:svnASUSTeKComputerInc.:pnU35F:pvr1.0:rvnASUSTeKComputerInc.:rnU35F:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: U35F
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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