Public bug reported:
I think this is a bug in the kernal, not entirely shure.
About 10% of my boots hang just after grub clears its menu, but before the
Debian splash screen goes away. (twice it has hung after the splash screen went
away, once with the monitor going into sleep mode, once displaying a bit of
text implying it was checking the battery. This is a desktop, there is no
battery for it to check).
When it is hung, there is no disk activity (Most of the OS is on a flash
drive, and there is no disk activity light for that, so I'm not entirely
sure of this claim. There is a disk activity light for the rotating
media drive mounted under /home). The keyboard is functioning, (num-lock
and caps-lock LEDs toggle as expected) but the computer does not respond
to the keyboard. I generally have to power cycle the computer to recover
(must hold the power button 4 seconds to get it to shut down).
This is an upgrade from 11.04, no hardware has changed since the
upgrade. I had zero boot hangs under 11.04 or any version of Ubuntu
before that. This started the day I upgraded to 11.10 with several hangs
happening that day.
I have looked in several log files, and found no indication that
anything was written to the logs prior to one of the hangs. It is very
likely I did not look in the correct log. Let me know which logs I
should be looking at, and I'll report my findings.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: dpeale 2267 F.... pulseaudio
/dev/snd/controlC3: dpeale 2267 F.... pulseaudio
/dev/snd/controlC0: dpeale 2267 F.... pulseaudio
/dev/snd/controlC1: dpeale 2267 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf7bf8000 irq 71'
Mixer name : 'Analog Devices AD1989B'
Components : 'HDA:11d4989b,10438372,00100300'
Controls : 44
Simple ctrls : 25
Card1.Amixer.info:
Card hw:1 'CX8801'/'Conexant CX8801 at 0xf9000000'
Mixer name : 'CX88'
Components : ''
Controls : 3
Simple ctrls : 2
Card2.Amixer.info:
Card hw:2 'CinemaTM'/'Microsoft Microsoft® LifeCam Cinema(TM) at
usb-0000:00:1d.7-1.2, high speed'
Mixer name : 'USB Mixer'
Components : 'USB045e:075d'
Controls : 2
Simple ctrls : 1
Card2.Amixer.values:
Simple mixer control 'Mic',0
Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum
Capture channels: Mono
Limits: Capture 0 - 56
Mono: Capture 52 [93%] [32.00dB] [on]
Card3.Amixer.info:
Card hw:3 'HDMI'/'HDA ATI HDMI at 0xf7dfc000 irq 73'
Mixer name : 'ATI R6xx HDMI'
Components : 'HDA:1002aa01,00aa0100,00100100'
Controls : 4
Simple ctrls : 1
Card3.Amixer.values:
Simple mixer control 'IEC958',0
Capabilities: pswitch pswitch-joined penum
Playback channels: Mono
Mono: Playback [on]
Date: Sat Oct 22 15:57:51 2011
HibernationDevice: RESUME=UUID=6c05a1b6-6f07-4b71-b070-2275796b41c0
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
eth1 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcEnviron:
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.0.0-12-generic
root=UUID=c2921384-38b9-419e-b7ef-007bcc801561 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to oneiric on 2011-10-15 (6 days ago)
dmi.bios.date: 09/21/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2209
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P6T DELUXE
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.:bvr2209:bd09/21/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP6TDELUXE:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric
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https://bugs.launchpad.net/bugs/880130
Title:
Computer locks up just after grub about 10% of boots
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