Bug#467105: ATI driver: use of Xv causes one monitor to be repeatedly blanked
On Sun, Feb 24, 2008 at 11:21 AM, Darren Salt
<linux@youmustbejoking.demon.co.uk> wrote:
> 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
> >> gxine.
>
> 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.
Why is gxine calling the DPMS hooks for the monitors? Do other video
players have the same problem?
Alex
>
> >> 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
> commit 9ab5d2ec7c583c74f364d7cfbb54bcd2cd8ae2f5
> 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.
>
> --
> | Darren Salt | linux or ds at | nr. Ashington, | Toon
> | RISC OS, Linux | youmustbejoking,demon,co,uk | Northumberland | Army
> | + Travel less. Share transport more. PRODUCE LESS CARBON DIOXIDE.
>
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