Public bug reported:

Just upgraded from 11.04 to 11.10 and now the computer freezes a few
seconds after I hit enter in the Grub start menu (the caps lock
indicator LED on the keyboard does not react to the caps lock button). I
have found out two solutions for this: either boot the old 2.6.38 kernel
left over from the 11.04 installation (with default boot options) or add
acpi=off to the boot options of the 3.0 kernel. I think both of these
options are unsatisfactory because with acpi=off I cannot shut down
automatically and 2.6.38 won't be supported forever (I will receive no
security updates for the 2.6.38 under Oneiric, will I?). So should I
file a bug about this (found no similar bugs from tha last month)? Note
that under 10.04, 10.10 and 11.04 the computer booted with default
options and with no problems. The machine is a Pentium 4 with an Intel
mainboard.

When I boot the 3.0 kernel without acpi=off, then it seems to me that no
messages are written into the syslog at all. If I boot 3.0 with the
recovery option, I see some kernel messages on the screen and then it
freezes.

Machine: Desktop computer
Mainboard: Intel D865GBF
BIOS Version: latest available (***.P25)

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-generic 3.0.0.12.14
ProcVersionSignature: Ubuntu 2.6.38-11.50-generic 2.6.38.8
Uname: Linux 2.6.38-11-generic i686
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
ApportVersion: 1.23-0ubuntu3
Architecture: i386
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  alex       1717 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
Card0.Amixer.info:
 Card hw:0 'ICH5'/'Intel ICH5 with AD1985 at irq 17'
   Mixer name   : 'Analog Devices AD1985'
   Components   : 'AC97a:41445375'
   Controls      : 50
   Simple ctrls  : 35
Date: Sat Oct 29 13:27:08 2011
HibernationDevice: RESUME=UUID=9ae9d6ce-ce91-4efc-a8c0-68c3a4271d84
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate i386 
(20100928)
IwConfig:
 lo        no wireless extensions.
 
 eth0      no wireless extensions.
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic 
root=UUID=bbc0e312-ca8b-4da6-84f9-198f6378d375 ro splash vga=788 quiet splash 
vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-2.6.38-11-generic N/A
 linux-backports-modules-2.6.38-11-generic  N/A
 linux-firmware                             1.60
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
 
dmi.bios.date: 08/04/2005
dmi.bios.vendor: Intel Corp.
dmi.bios.version: BF86510A.86A.0077.P25.0508040031
dmi.board.name: D865GBF
dmi.board.vendor: Intel Corporation
dmi.board.version: AAC25843-409
dmi.chassis.type: 2
dmi.modalias: 
dmi:bvnIntelCorp.:bvrBF86510A.86A.0077.P25.0508040031:bd08/04/2005:svn:pn:pvr:rvnIntelCorporation:rnD865GBF:rvrAAC25843-409:cvn:ct2:cvr:

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: apport-bug i386 kernel-request-3.0.0-12.20 oneiric running-unity

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https://bugs.launchpad.net/bugs/883441

Title:
  Kernel 3.0 (11.10 default kernel) won't boot unless acpi=off, worked
  fine with the default kernels of the 3 previous releases

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