Public bug reported:
Natty Beta 2 on a Lenovo Thinkpad T420s, packages up to date. While
copying data form another harddrive or via rsync, I get errors leading
sometimes to the filesystem being remounted read-only and others to
kernel panic (complete with CAPS LOCK blinking). This makes the
computer unusable and I think I risk losing data (luckily have backups).
Tested in console to make sure it was not video problem, go a lot of
kernel debug messages printed on the terminal but they do not stay in
/var/log (since by the time the error is hit the filesystem is read
only, I guess).
I will be glad to provide any further necessary information.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-8-generic 2.6.38-8.42
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: luisca 1537 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'PCH'/'HDA Intel PCH at 0xd1620000 irq 49'
Mixer name : 'Intel CougarPoint HDMI'
Components : 'HDA:14f1506e,17aa21d2,00100000
HDA:80862805,80860101,00100000'
Controls : 20
Simple ctrls : 8
Card29.Amixer.info:
Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw
unknown'
Mixer name : 'ThinkPad EC (unknown)'
Components : ''
Controls : 1
Simple ctrls : 1
Card29.Amixer.values:
Simple mixer control 'Console',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Fri Apr 22 18:45:06 2011
HibernationDevice: RESUME=UUID=80ba23de-b8e4-4fd2-91be-14df4a1d338e
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413)
MachineType: LENOVO 4170CTO
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, user)
LANG=en_US.UTF-8
SHELL=/bin/zsh
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic
root=UUID=a546a551-7225-43cc-9597-d51b71963739 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 1.52
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/16/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8CET28WW (1.05 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4170CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8CET28WW(1.05):bd02/16/2011:svnLENOVO:pn4170CTO:pvrThinkPadT420s:rvnLENOVO:rn4170CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4170CTO
dmi.product.version: ThinkPad T420s
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug natty
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https://bugs.launchpad.net/bugs/769252
Title:
Kernel panic on heavy I/O on t420s (Sandy Bridge)
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