[Bug 35718] modprobe radeon modeset=1 causes screen to fade from black to white and back

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Mar 27 15:04:30 PDT 2011


Cillian de Róiste <cillian.deroiste at gmail.com> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #4 from Cillian de Róiste <cillian.deroiste at gmail.com> 2011-03-27 15:04:30 PDT ---
Using the drm-radeon-testing branch on

I can boot to the console, "modprobe drm" and "modprobe radeon modeset=1" and
then start Xorg and it works perfectly. Suspend-to-disk also works (Woohoo! ..
and much better than with fglrx by the looks of things!).

This has resolved the issue for me personally, but I have noticed that if I
start Xorg automatically (via upstart) I get a similar problem, I have also
tried booting with "radeon.modeset=1" on the kernel command line and in a
separate attempt with "options radeon modeset=1" in the module options. The
screen no longer fades as it did before, it is either black or white, with some
regular dotted vertical lines in green or pink.

I guess an old Xorg.0.log is no longer of interest. I'm happy to try other
options and will probably track the drm-radeon-testing branch and report any
improvements or regressions as I come across them, but I'm happy to close this
ticket as resolved.

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