Public bug reported:
How to reproduce:
1. Start Ubuntu Natty on a Macbook Pro 2,2 with linux-image-2.6.38-3-generic or
later
2. Screen starts to flicker. Sometimes already at the login screen or even the
splash screen, sometimes only after an hour or so
3. Flickering gets worse and worse
There's no problem with linux-image-2.6.38-2-generic
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: linux-image-2.6.38-3-generic 2.6.38-3.30
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.38-3.30-generic 2.6.38-rc4
Uname: Linux 2.6.38-3-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: simon 2241 F.... pulseaudio
CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0x90400000 irq 45'
Mixer name : 'SigmaTel STAC9221 A1'
Components : 'HDA:83847680,106b1e00,00103401'
Controls : 20
Simple ctrls : 12
Date: Mon Feb 14 13:38:41 2011
HibernationDevice: RESUME=UUID=a9cbc03d-b8a6-4cff-815f-dd01d2fa3d0b
MachineType: Apple Computer, Inc. MacBookPro2,2
ProcEnviron:
LANGUAGE=de_CH.UTF-8:de_CH:de:en_GB:en
PATH=(custom, user)
LANG=de_CH.UTF-8
LC_MESSAGES=de_AT.utf8
SHELL=/bin/bash
ProcKernelCmdLine: root=UUID=ce1f687e-4bb9-480a-ad6e-bec81f8b791c ro quiet
splash
RelatedPackageVersions:
linux-restricted-modules-2.6.38-3-generic N/A
linux-backports-modules-2.6.38-3-generic N/A
linux-firmware 1.47
SourcePackage: linux
WpaSupplicantLog:
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: apport-bug i386 kernel-graphics natty needs-upstream-testing
regression-release
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https://bugs.launchpad.net/bugs/718715
Title:
Screen flickers on Macbook Pro 2,2 with kernel >= 2.6.38-3
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