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[Launchpad Bug Tracker <1132129@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/1132129

Title:
  Kernel crash and oops since 3.5.0-24-generic (3.5.0-23 ok).

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Summary: upgrading from 3.5.0-23 to 3.5.0-24 appears to reduce kernel
  stability suddenly from weeks/months to day or so.

  Context: Hardware Asus n55sf laptop. Plugging Galaxy Nexus phone via USB daily or so. Observed for months that sometimes USB breaks (e.g. optical mouse literally off, un/plug does nothing, reboot fixes), but no oops.
  Using suspend to ram regularly (~ daily). Typical uptime : weeks to 1-2 months.
  Using Ubuntu upgrades regularly.
  On 2013-02-01, upgraded to 3.5.0-23, no problem.
  On 2013-02-21, upgraded to 3.5.0-24.

  1) The release of Ubuntu you are using, via 'lsb_release -rd' or
  System -> About Ubuntu

  12.10 AMD64

  2) The version of the package you are using, via 'apt-cache policy
  pkgname' or by checking in Software Center

  LC_ALL=C apt-cache policy linux-image

  linux-image:
    Installed: (none)
    Candidate: 3.5.0.25.31
    Version table:
       3.5.0.25.31 0
          500 http://fr.archive.ubuntu.com/ubuntu/ quantal-updates/main amd64 Packages
          500 http://security.ubuntu.com/ubuntu/ quantal-security/main amd64 Packages
       3.5.0.17.19 0
          500 http://fr.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages

  3) What you expected to happen

  No oops, no crash.

  4) What happened instead

  On 2013-02-22 (that is kernel update + 1 day), observed kernel panic: switch to text mode with panic report (but X mouse cursor still visible), led blinking. Text says : fatal exception interrupt.
  Action : taken photograph of screen (can join if useful), power cycle machine.

  On 2013-02-23 (that is kernel update + 2 days), observed kernel oops: switch to text mode with oops report, but X mouse cursor still visible and music still playing.
  Action : taken photograph on screen (can join if useful, but you have dmesg attached so probably not useful). Observed that vt-switching key combinations could restore display. Not rebooted system (using it to write this very report) but several features disabled (laptop-integrated card reader, USB mouse). Lsusb still reports in-laptop bluetooth device as present but bluetooth-sendto cannot detect Galaxy Nexus nearby when doing proper steps.

  Considered actions:
  * continue normal use to confirm / narrow oops circumstances
  * downgrade to 3.5.0-23 to confirm symptom disappear

  Thank you for your attention.


  $ lsusb

  Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
  Bus 003 Device 002: ID 0b05:17a9 ASUSTek Computer, Inc.
  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Bus 001 Device 007: ID 0cf3:3005 Atheros Communications, Inc. AR3011 Bluetooth
  Bus 001 Device 004: ID 1bcf:2883 Sunplus Innovation Technology Inc.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image (not installed)
  ProcVersionSignature: Ubuntu 3.5.0-24.37-generic 3.5.7.4
  Uname: Linux 3.5.0-24-generic x86_64
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  stephane   2793 F.... xfce4-volumed
                        stephane   2797 F.... pulseaudio
                        stephane   2876 F.... xfce4-mixer-plu
   /dev/snd/pcmC0D0p:   stephane   2797 F...m pulseaudio
  Date: Sat Feb 23 15:03:04 2013
  HibernationDevice: RESUME=UUID=d05e8def-662d-4d3a-b3b3-4d9d2997966d
  InstallationDate: Installed on 2012-12-27 (58 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
  MachineType: ASUSTeK Computer Inc. N55SF
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-24-generic root=UUID=0ac65d3d-9ad8-4b02-8650-5df01d16640a ro quiet splash
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory /home/stephane not ours.
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-24-generic N/A
   linux-backports-modules-3.5.0-24-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/29/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: N55SF.207
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: N55SF
  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.:bvrN55SF.207:bd08/29/2011:svnASUSTeKComputerInc.:pnN55SF:pvr1.0:rvnASUSTeKComputerInc.:rnN55SF:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
  dmi.product.name: N55SF
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK Computer Inc.

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