With SNA enabled and non-blocking waits, this is about as good as it
will get for the forseeable future.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/462712
Title:
[i915gm] Fullscreen video with compiz jerky even with spare CPU/GPU
Status in “xserver-xorg-video-intel” package in Ubuntu:
Fix Released
Bug description:
Binary package hint: xserver-xorg-video-intel
Description of the problem:
Playing back a Team Fortress 2 video fullscreen is slow when compiz is
enabled even though it is fine when metacity is used.
Steps to reproduce:
1. Download
http://cdn2.fileshack.com/secure/video/14334.flv?rs=250&e=1256744653&h=acf691798605c6ea375731bf12bf01c3.flv
.
2. Run metacity --replace .
3. Run totem on the downloaded file. Press F to go fullscreen. Quit totem
after 60 seconds of the video have played.
4. Run compiz --replace .
5. Run totem on the downloaded file. Press F to go fullscreen.
Expected results:
5. to be a little bit slower than 3. if the CPU/GPU is not at all idle
otherwise no noticeable difference.
Actual results:
5. is dramatically slower than 3. even though top says the CPU is 70% idle
and intel_gpu_top shows most tasks are at 90% at most.
Version information:
Ubuntu 9.10 (karmic)
EeePC 900
00:02.1 Display controller: Intel Corporation Mobile 915GM/GMS/910GML Express
Graphics Controller (rev 04)
libdrm-intel1 2.4.14-1ubuntu1
xserver-xorg-video-intel 2:2.9.0-1ubuntu2
[lspci]
00:00.0 Host bridge [0600]: Intel Corporation Mobile 915GM/PM/GMS/910GML
Express Processor to DRAM Controller [8086:2590] (rev 04)
Subsystem: ASUSTeK Computer Inc. Device [1043:82d9]
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile
915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 04)
Subsystem: ASUSTeK Computer Inc. Device [1043:82d9]
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