blinking monitor with dri enabled

Daniel Troeder daniel at admin-box.com
Thu Apr 2 03:11:47 PDT 2009


On Wed, 2009-04-01 at 22:53 +0200, Alessandro Bono wrote:
> Hi
> 
> I'm using my notebook with an external monitor connected with a docking
> station, connection is with a dvi cable
> If I enable dri monitor works for 90% of time but randomly there is no
> image (not sure if not signal or out of range), image disappear for a
> second and reappear 2 or 3 times and restart to works correctly for a
> couple of minute or an hour, totally unpredictable 
> No problem if I use notebook with internal lcd
> 
> Some info:
> distribution ubuntu intrepid with an updated driver from jaunty compiled
> for intrepid
> 
> xserver-xorg-video-ati                     1:6.12.1-0ubuntu1    
> 
> dri module taken from git r6xx-r7xx-support
> 
> dmesg  | egrep -i "radeon|drm"
> [   25.651839] [drm] Initialized drm 1.1.0 20060810
> [   25.671606] radeon 0000:01:00.0: setting latency timer to 64
> [   25.671838] [drm] Initialized radeon 1.29.0 20080613 on minor 0
> [   26.697087] [drm] Setting GART location based on new memory map
> [   26.712782] [drm] Loading RV630 CP Microcode
> [   26.713453] [drm] Loading RV630 PFP Microcode
> [   26.728445] [drm] Resetting GPU
> [   26.728506] [drm] writeback test succeeded in 1 usecs
> [ 5193.473484] [drm] Resetting GPU
> 
> 
> lspci | grep -i radeon
> 01:00.0 VGA compatible controller: ATI Technologies Inc M76 [Radeon
> Mobility HD 2600 Series]
> 01:00.1 Audio device: ATI Technologies Inc RV630/M76 audio device
> [Radeon HD 2600 Series]
> 
> 
> some log attached with dri and nodri configuration
> 
> also attached xrandr output
> as you can see DVI and HDMI seems either connected (notebook has a hdmi
> port) but it's incorrect only dvi port from docking station is in use,
> this problem was present also with older ati drivers
> 
> tell me if you need other info
> 
> thanks
Hello :)

This is probably the same bug I experience:
http://lists.opensuse.org/radeonhd/2009-03/msg00236.html
https://bugs.freedesktop.org/show_bug.cgi?id=20047

Though it didn't take an hour for me to happen. Does it happen with
lower resolutions, too?

Bye,
Daniel

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