[Bug 22333] New: Sudden screen blanks

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 17 07:28:59 PDT 2009


           Summary: Sudden screen blanks
           Product: xorg
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: maleadt at gmail.com
         QAContact: xorg-team at lists.x.org

Created an attachment (id=26889)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=26889)
Xorg log of a session during which multiple blanks occured.

While doing regular work, I'm seeing complete blanks of the screen, e.g. my LCD
goes totally black and enters stand-by (signal goes away completely). When I
move my mouse or type some keys, the drivers seems to regain consciousness and
the image re-appears after a second or 2. When I don't move at all when
blanked, the screen remains blanked. The system doesn't seem to lock though, as
video and/or music happily continues to play during such a blank. The blank is
100% certainly not connected with inactivity on my side.

I cannot consistently reproduce the bug (happens about once an hour), but it
might be that it occurs more often when watching video's and/or switching from
that window to another one. This is just a feeling though, I can't pinpoint it
at all.

I'm using the following software:
* X.Org X Server (1.6.2 RC 1)
* xf86-video-ati GIT master
* 2.6.30 x86_64
* drm module from the kernel
* mesa, libdrm, ati-dri, libdri and libgl from mesa GIT branch r6xx-rewrite

My xorg.conf is completely default, just mentioning the essential stuff (ati
device, main screen, serverlayout) and loading -ati without _any_ options.

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