Hi Etienne, Etienne Vogt <ev...@free.fr> (25/01/2011): > I updated my home desktop system to squeeze this weekend and was > hit by this same Matrox G550 bug. As soon as the xserver is started, > the screen turns completely black. I coudn't even switch back to > console mode (either MDA text console or VESA framebuffer > console). The monitor itself was not in sleep mode (it still > received horizontal and vertical sync). The only way to access the > system was by the network from another computer. Also, no errors > reported in /var/log/Xorg.0.log but ps showed that an XKeepsCrashing > process was running. Removing xorg.conf didn't change anything > neither did removing the mga.ko kernel DRM module.
could you please check whether there's something in Xorg.0.log.old? Maybe the one with no info is a restarted one? Could you please also check what's in dmesg, maybe there would be some clue? To collect info, you could run the xorg bug script and attach its output: /usr/share/bug/xorg/script 3>/tmp/script.log Also, you could try with the kernel in experimental (2.6.37), or with the X stack from experimental. > As using the vesa driver was no viable option (no direct rendering, > no video overlay) I ended up downgrading all xorg packages the the > old lenny versions (I just kept the xserver-xorg control package > from squeeze and rebuild it with relaxed version dependancies so apt > would not complain). Maybe fbdev would ease the pain? KiBi.
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