blinking monitor with dri enabled

Alessandro Bono alessandro.bono at gmail.com
Fri Apr 3 01:10:05 PDT 2009


On Thu, 02 Apr 2009 12:11:47 +0200, Daniel Troeder wrote:

> 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 :)

Hi Daniel

> 
> 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?

I tried with lower resolution but there is not image at all (bad 
experience, gnome monitor manager not return to original resolution in 
case of problem,  so switch to cli and so on)

ps please cc to me, I'm not subscribed to ml

> 
> Bye,
> Daniel





-- 
Cordiali saluti

Alessandro Bono



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