** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1651981
Title:
shaking screen
Status in linux package in Ubuntu:
Triaged
Bug description:
After login into Ubuntu the screen starts to shake permanently.
The login screen is still fine, problem start after log in.
The problem is caused by last kernel update: running Ubuntu with the older
kernel 4.8.0-30-generic fixes the issue.
Upstream patch submission:
https://lists.freedesktop.org/archives/dri-devel/2016-December/128331.html
WORKAROUND: Revert:
# first bad commit: [9cc4fd5b9fbb0d74e77c81521da1e2fe712f6787]
drm/radeon/si_dpm: workaround for SI kickers
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: linux-image-4.8.0-32-generic 4.8.0-32.34
ProcVersionSignature: Ubuntu 4.8.0-32.34-generic 4.8.11
Uname: Linux 4.8.0-32-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.20.3-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: afiergol 7797 F.... pulseaudio
/dev/snd/controlC1: afiergol 7797 F.... pulseaudio
/dev/snd/seq: timidity 6155 F.... timidity
Date: Thu Dec 22 10:02:30 2016
HibernationDevice: RESUME=UUID=7ca97ca1-ca2d-43f6-9b4c-cd61421c0831
InstallationDate: Installed on 2015-04-02 (629 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Hewlett-Packard HP ZBook 15 G2
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-32-generic
root=/dev/mapper/ubuntu--vg-root ro radeon.dpm=1
PulseList:
Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not
accessible: Permission denied
No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.8.0-32-generic N/A
linux-backports-modules-4.8.0-32-generic N/A
linux-firmware 1.161.1
SourcePackage: linux
UpgradeStatus: Upgraded to yakkety on 2016-10-16 (66 days ago)
dmi.bios.date: 04/25/2016
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: M70 Ver. 01.15
dmi.board.name: 2253
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 03.12
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias:
dmi:bvnHewlett-Packard:bvrM70Ver.01.15:bd04/25/2016:svnHewlett-Packard:pnHPZBook15G2:pvrA3008CD10003:rvnHewlett-Packard:rn2253:rvrKBCVersion03.12:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP ZBook 15 G2
dmi.product.version: A3008CD10003
dmi.sys.vendor: Hewlett-Packard
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