** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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https://bugs.launchpad.net/bugs/680204
Title:
page flipping causes lock ups with full screen apps (usually
compositors, ie. compiz), fix in 2.6.36
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Maverick:
Fix Released
Bug description:
commit responsible for fix in newer version:
commit 4e5359cd053bfb7d8dabe4a63624a5726848ffbc
Author: Simon Farnsworth <simon.farnswo...@onelan.co.uk>
Date: Wed Sep 1 17:47:52 2010 +0100
drm/i915: Avoid pageflipping freeze when we miss the flip prepare
interrupt
When we miss the flip prepare interrupt, we never get into the
software state needed to restart userspace, resulting in a freeze of a
full-screen OpenGL application (such as a compositor).
Work around this by checking DSPxSURF/DSPxBASE to see if the page flip
has actually happened. If it has, do the work we would have done when
the flip prepare interrupt comes in.
Also, add debugfs information to tell us what's going on (based on the
patch from Chris Wilson attached to bugs.fdo bug #29798).
Signed-off-by: Simon Farnsworth <simon.farnswo...@onelan.co.uk>
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-23-generic 2.6.35-23.40
Regression: No
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-23.40-generic 2.6.35.7
Uname: Linux 2.6.35-23-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ohsix 1939 F.... pulseaudio
/dev/snd/pcmC0D0p: ohsix 1939 F...m pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4700000 irq 45'
Mixer name : 'Intel Cantiga HDMI'
Components : 'HDA:14f15051,103c360b,00100000
HDA:80862802,80860101,00100000'
Controls : 16
Simple ctrls : 7
Date: Mon Nov 22 12:29:47 2010
HibernationDevice: RESUME=UUID=b361beaf-a63a-4b3f-a711-781118e35d62
MachineType: Hewlett-Packard Compaq Presario CQ60 Notebook PC
ProcCmdLine: root=UUID=457249de-6049-42fd-a0c6-9d5019baf7bd ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_US.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
SourcePackage: linux
WpaSupplicantLog:
dmi.bios.date: 03/08/2010
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.63
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3612
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 09.67
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.63:bd03/08/2010:svnHewlett-Packard:pnCompaqPresarioCQ60NotebookPC:pvrPCID:rvnHewlett-Packard:rn3612:rvr09.67:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: Compaq Presario CQ60 Notebook PC
dmi.product.version: PCID
dmi.sys.vendor: Hewlett-Packard
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