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[Launchpad Bug Tracker <456251@xxxxxxxxxxxxxxxxxx>]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/456251

Title:
  System unstable, goes into sleep mode for no apparent reason.
  WARNING: at /build/buildd/linux-2.6.31/net/mac80211/scan.c:281
  ieee80211_scan_completed 0xcf/0x3f0  mac80211

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  My Lenovo 3000 N200 laptop, running Karmic Beta has taken to
  unpredictable behaviour with regard to suspend.

  This bug report appears to have been triggered by the laptop going
  into suspend mode for no apparent reason.  It did wake up normally on
  use of the power switch.

  Other unstable behaviour recently has included waking from suspend on
  opening the lid, but then promptly going back into suspend.  Again,
  using the power switch recovers the system ok.

  ProblemType: KernelOops
  Annotation: Your system might become unstable now and might need to be restarted.
  AplayDevices:
   **** List of PLAYBACK Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC861-VD Analog [ALC861-VD Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  Architecture: i386
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: Intel [HDA Intel], device 0: ALC861-VD Analog [ALC861-VD Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  neilw      1841 F.... pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
   Card hw:0 'Intel'/'HDA Intel at 0xfc300000 irq 22'
     Mixer name	: 'Realtek ALC861-VD'
     Components	: 'HDA:10ec0862,17aa3867,00100001 HDA:11c11040,11c10001,00100200'
     Controls      : 19
     Simple ctrls  : 12
  Date: Tue Oct 20 12:42:45 2009
  DistroRelease: Ubuntu 9.10
  Failure: oops
  HibernationDevice: RESUME=UUID=ccef1b0e-11fc-4489-ab53-072475aa8969
  MachineType: LENOVO 0769E2G
  Package: linux-image-2.6.31-14-generic 2.6.31-14.48
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.31-14-generic root=UUID=37dad900-3ad2-489b-a3d7-8b2602b6c06a ro quiet splash
  ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
  RelatedPackageVersions:
   linux-backports-modules-2.6.31-14-generic N/A
   linux-firmware 1.24
  SourcePackage: linux
  Tags: kernel-oops
  Title: WARNING: at /build/buildd/linux-2.6.31/net/mac80211/scan.c:281 ieee80211_scan_completed+0xcf/0x3f0 [mac80211]()
  Uname: Linux 2.6.31-14-generic i686
  dmi.bios.date: 12/21/2007
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 68ET31WW
  dmi.board.name: IEL10
  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:bvr68ET31WW:bd12/21/2007:svnLENOVO:pn0769E2G:pvr3000N200:rvnLENOVO:rnIEL10:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A:
  dmi.product.name: 0769E2G
  dmi.product.version: 3000 N200
  dmi.sys.vendor: LENOVO

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