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[Bug 946562] Re: Multiple 'task blocked for more than 120 seconds' messages in dmesg

 

Dariusz Gadomski, as per http://www.asus.com/Motherboards/M4N75TD/#support an update is available for your BIOS (1701). If you update to this following https://help.ubuntu.com/community/BiosUpdate , does it change anything? If it doesn't, could you please both specify what happened, and provide the output of the following terminal command:
sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date

Please note your current BIOS is already in the Bug Description, so
posting this on the old BIOS would not be helpful.

For more on BIOS updates and linux, please see
https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette
.

Thank you for your understanding.

** Tags removed: kernel-request-3.2.0-18.28 kernel-request-3.2.0-18.29 kernel-request-3.2.0-19.30
** Tags added: bot-stop-nagging

** Tags added: bios-outdated-1701

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

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https://bugs.launchpad.net/bugs/946562

Title:
  Multiple 'task blocked for more than 120 seconds' messages in dmesg

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After playing around for some time (usually from a couple of minutes
  to about 45 minutes) my Android phone becomes unusable through adb
  running on Ubuntu.

  All calls to adb (e.g. adb devices, adb kill-server) just hang and they don't respond to Ctrl+C etc. The adb application is listed in ps output as defunct:
  myuser     8405  0.0  0.0      0     0 ?        Zl   19:14   0:00 [adb] <defunct>

  Cannot kill adb or restart it. It did not happen before 11.10 and still happens on current 12.04.
  I assume it's not related to adb version because it does not happen with the same binaries (I share the directory) on Fedora 16.
  I cannot mount the phone as USB mass storage as well.

  Please examine the attached dmesg output for the 'task blocked'
  messages.

  I have to reboot my PC to make the phone accessible from the PC again.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image 3.2.0.17.17
  ProcVersionSignature: Ubuntu 3.2.0-17.27-generic 3.2.6
  Uname: Linux 3.2.0-17-generic x86_64
  NonfreeKernelModules: nvidia
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 1.94-0ubuntu1
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: NVidia [HDA NVidia], device 0: VT1708S Analog [VT1708S Analog]
     Subdevices: 2/2
     Subdevice #0: subdevice #0
     Subdevice #1: subdevice #1
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  darek      2278 F.... pulseaudio
   /dev/snd/controlC0:  darek      2278 F.... pulseaudio
   /dev/snd/pcmC0D0p:   darek      2278 F...m pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'NVidia'/'HDA NVidia at 0xf9e78000 irq 21'
     Mixer name	: 'VIA VT1708S'
     Components	: 'HDA:11060397,104383c4,00100000'
     Controls      : 42
     Simple ctrls  : 21
  Card1.Amixer.info:
   Card hw:1 'NVidia_1'/'HDA NVidia at 0xfbffc000 irq 18'
     Mixer name	: 'Nvidia GPU 0d HDMI/DP'
     Components	: 'HDA:10de000d,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  Date: Sun Mar  4 19:56:29 2012
  HibernationDevice: RESUME=UUID=6d1f890f-0abe-4398-9fc2-f2a43a40d9c1
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: System manufacturer System Product Name
  ProcEnviron:
   TERM=xterm
   PATH=(custom, user)
   LANG=pl_PL.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-17-generic root=/dev/mapper/system-root ro quiet splash nomodeset video=uvesafb:mode_option=1280x720-24,mtrr=3,scroll=ywrap
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-17-generic N/A
   linux-backports-modules-3.2.0-17-generic  N/A
   linux-firmware                            1.71
  RfKill:
   
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-02-03 (29 days ago)
  dmi.bios.date: 03/12/2010
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 0903
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M4N75TD
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr0903:bd03/12/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM4N75TD:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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