Bug#467105: ATI driver: use of Xv causes one monitor to be repeatedly blanked
I demand that Brice Goglin may or may not have written...
> Darren Salt wrote:
>> One of my monitors (VGA-0) is repeatedly and regularly blanked and
>> unblanked, each change being approx. 1s apart when Xv is in use, e.g. by
Actually, more like 1s off, 3s on, and for each pair of state changes, there
is a corresponding pair of
enable montype: 1
enable montype: 3
in the log.
>> The other monitor (DVI-0) is unaffected, and the position of the
>> overlay does not appear to make any difference, though it does need to be
>> visible (tested by shading and unshading the video window).
>> Reverting to 1:6.7.197-1 cured the problem. I have not checked
>> intermediate snapshot builds.
> Please try at least these intermediate snapshot. There are 6 of them
> available at http://snapshot.debian.net
> Or better, do a git-bisect in the upstream git repository
> http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-ati.git to locate
> the exact commit breaking this. If you need help, please let me know.
9ab5d2ec7c583c74f364d7cfbb54bcd2cd8ae2f5 is first bad commit
Author: Alex Deucher <alex@botch2.(none)>
Date: Mon Feb 11 15:26:51 2008 -0500
RADEON: always restore crtc1 before crtc0 when using both crtcs
In some rare cases restoring crtc0 first will result in a blank screen
on crtc1. If you are having issues with a blank screen on crtc1
that used to work on 6.6.3 or before, this should help.
6.8.0 with this reverted is fine.
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