Red Hat Bugzilla – Bug 430348
Degraded V4L display when compiz is enabled on Intel 82G33/G31 Express Integrated Graphics Controller (rev 02)
Last modified: 2009-01-09 02:37:35 EST
Description of problem:
Version-Release number of selected component (if applicable):
kernel-220.127.116.11-42.fc8 or kernel-18.104.22.168-107.fc8 or kernel 2.6.24 from kernel.org
Enable "Desktop Effects"
Launch a V4L display application (tvtime, xawtv, vlc, kdetv, ...)
Steps to Reproduce:
1.Enable "Desktop Effects"
2.Launch a V4L display application (tvtime, xawtv, vlc, kdetv, ...)
3.See how video display has a poor framerate.
FPS decrease and lot of frames are skipped when resizing video window or when
you get into fullscreen mode.
Displayed FPS can be less than 8 FPS.
video is displayed correctly
Desktop effects Enabled:
tvtime: average blit time: 72,89 ms, average render time: 1,98 ms
Desktop effects Disabled:
tvtime: average blit time: 0,55 ms, average render time: 1,81 ms
Here are 2 files attached:
This files where generated using the command
tvtime -v > tvtime_-v__compiz_???abled.txt 2>&1
tvtime was launched in window mode, then the "d" (debug info) touch was pressed
twice, after that tvtime was switched to f 'fullscreen mode' the "d" touch was
pressed 3 times, an then quit.
Created attachment 293055 [details]
"tvtime -v" output with Desktop Effects disabled
Created attachment 293056 [details]
tvtime -v output with Desktop Effects Enabled
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 293618 [details]
X server log
Created attachment 293621 [details]
X server config file xorg.conf
Created attachment 293624 [details]
Xorg.0.log when strartx is started as root without the /etc/X11/xorg.conf
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