[Bug 612597] [NEW] Official kernel 2.6.32-24 randomly crashes on MBP 2, 2 but PPA kernel 2.6.35 works perfectly

[Simon Déziel]

Public bug reported:

When I run the official Lucid Kernel, my MacBook Pro 2,2 randomly
reboots. The laptop freeze for 1 or 2 seconds (numlock does not respond)
and it reboots. This occurs from 1 to 10 times a day. I does not seems
to be related to temperature as I ran 2 cpuburns during 1h30 without
problems (CPU cores temp @89C while normal temp is @52C).

At first I taught it was related to heat and I manually forced all the
fans at maximum speed with no improvement. I did the EFI firmware
upgrade using Mac OSX 10.6 but that didn't help.

I then tried to install applesmc update from mactel-support PPA but it
didn't improved anything. I also tried to not load the wifi module
(ath9k) but that didn't help either.

The only thing that worked was to use the kernel 2.6.35-12 from Ubuntu
Kernel PPA.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-24-generic 2.6.32-24.38
Regression: No
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-12.17~lucid1-generic 2.6.35-rc6
Uname: Linux 2.6.35-12-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  simon      1837 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd8400000 irq 45'
   Mixer name	: 'SigmaTel STAC9221 A1'
   Components	: 'HDA:83847680,106b1e00,00103401'
   Controls      : 20
   Simple ctrls  : 12
Date: Mon Aug  2 16:25:30 2010
EcryptfsInUse: Yes
Frequency: Once a day.
HibernationDevice: RESUME=UUID=551f607e-688d-464c-a590-c804987ee8c4
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
MachineType: Apple Computer, Inc. MacBookPro2,2
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.35-12-generic root=UUID=aeab67ed-709c-4d66-9167-e28ec1334c4a ro radeon.modeset=0
ProcEnviron:
 LANGUAGE=en
 LANG=en_CA.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.34.1
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
WifiSyslog:
 Aug  2 12:05:26 simon-laptop kernel: [95821.631500] ecryptfs_read_and_validate_header_region: Error reading header region; rc = [-4]
 Aug  2 12:05:34 simon-laptop kernel: [95829.730559] ecryptfs_read_and_validate_header_region: Error reading header region; rc = [-4]
 Aug  2 12:22:42 simon-laptop kernel: [96857.540171] Valid eCryptfs headers not found in file header region or xattr region
 Aug  2 12:22:42 simon-laptop kernel: [96857.540179] Either the lower file is not in a valid eCryptfs format, or the key could not be retrieved. Plaintext passthrough mode is not enabled; returning -EIO
 Aug  2 15:24:27 simon-laptop kernel: [107761.832739] ecryptfs_read_and_validate_header_region: Error reading header region; rc = [-4]
dmi.bios.date: 08/13/07
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP22.88Z.00A5.B07.0708131242
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Mac-F42187C8
dmi.board.vendor: Apple Computer, Inc.
dmi.board.version: PVT
dmi.chassis.asset.tag: Asset Tag
dmi.chassis.type: 8
dmi.chassis.vendor: Apple Inc.
dmi.chassis.version: Mac-F42187C8
dmi.modalias: dmi:bvnAppleInc.:bvrMBP22.88Z.00A5.B07.0708131242:bd08/13/07:svnAppleComputer,Inc.:pnMacBookPro2,2:pvr1.0:rvnAppleComputer,Inc.:rnMac-F42187C8:rvrPVT:cvnAppleInc.:ct8:cvrMac-F42187C8:
dmi.product.name: MacBookPro2,2
dmi.product.version: 1.0
dmi.sys.vendor: Apple Computer, Inc.

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


** Tags: amd64 apport-bug lucid needs-upstream-testing

-- 
Official kernel 2.6.32-24 randomly crashes on MBP 2,2 but PPA kernel 2.6.35 works perfectly
https://bugs.launchpad.net/bugs/612597
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