Red Hat Bugzilla – Bug 466811
Matrox G550 shows blank screen instead of gdm
Last modified: 2009-10-22 08:47:05 EDT
Created attachment 320220 [details]
xorg log with the default config, ends up showing a blank screen (no sync)
Description of problem:
After upgrading from f8 to f9 the login screen doesn't load any more. I just get a black screen. Same with system-config-display. It works if I manually limit the screen size to 800x600. My monitor does support 1920x1600 though, which was working with f8.
Version-Release number of selected component (if applicable):
works any time by just starting X with the default xorg.conf
I googled around a lot to find a solution and noticed that a lot of people seem to have the same problem, but without any solution. I think a similar problem showed in fc5, but f8 was working.
I now also got a Matrox G400, which does work with 1920x1600. Same computer and same monitor.
I'll attach the log from this configuration, maybe comparing these helps.
I am also willing to help with debugging of this bug and putting the G550 back into the machine (well, as long as I haven't upgraded to a new computer).
Created attachment 320497 [details]
xorg log from the same computer, but this time with a G400. This card does work.
I also found these bugs here, which seem to be similar.
bug 466318 : Unable to boot Fedora 10Beta in graphics mode with Matrox MGA G550 graphics card.
bug 452615: mga driver prevents normal bootup/login
Once Fedora 10 is out I will also test it there.
I just added my comments and attachments to bug 442533
Probably the same bug, at least the same graphics card when this is occured.
I also want help with this (if I can). I can now boot to fc8 (when everything works just fine) and to fc9 (when I can not get better resolution than 800x600).
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