Public bug reported:

Jan 12 19:34:57 haig kernel: [ 1621.266557] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 12 23:49:11 haig kernel: [11933.879136] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 19 16:28:16 haig kernel: [27583.088591] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 20 15:53:26 haig kernel: [35017.765263] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 20 23:17:38 haig kernel: [47549.130554] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 22 17:35:12 haig kernel: [19724.673040] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 23 12:48:02 haig kernel: [24640.224001] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 23 13:28:09 haig kernel: [25119.789748] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040
Jan 23 18:34:29 haig kernel: [25599.340484] Corrupted low memory at 
ffff880000009938 (9938 phys) = 00000040

I don't recall ever seeing this with 10.04 or earlier releases.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-24-generic 2.6.35-24.42
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
Uname: Linux 2.6.35-24-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  sarnold    1873 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xfbff8000 irq 51'
   Mixer name   : 'Realtek ALC889A'
   Components   : 'HDA:10ec0885,1458a002,00100101'
   Controls      : 38
   Simple ctrls  : 21
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xfbafc000 irq 53'
   Mixer name   : 'ATI R6xx HDMI'
   Components   : 'HDA:1002aa01,00aa0100,00100100'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [on]
Date: Mon Jan 24 00:06:11 2011
Frequency: Once a day.
HibernationDevice: RESUME=UUID=067191f4-32c8-498c-b1dd-309eab6eb533
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
MachineType: Gigabyte Technology Co., Ltd. EX58-UD5
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-24-generic 
root=UUID=e1ee5eae-7d96-43d2-aafc-72245e3e8956 ro quiet splash
ProcEnviron:
 PATH=(custom, user)
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
RfKill:
 
SourcePackage: linux
dmi.bios.date: 05/11/2009
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F7
dmi.board.name: EX58-UD5
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: 
dmi:bvnAwardSoftwareInternational,Inc.:bvrF7:bd05/11/2009:svnGigabyteTechnologyCo.,Ltd.:pnEX58-UD5:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEX58-UD5:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: EX58-UD5
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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


** Tags: amd64 apport-bug maverick needs-upstream-testing regression-potential

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https://bugs.launchpad.net/bugs/706818

Title:
  Corrupted low memory at ffff880000009938 (9938 phys) = 00000040

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