[Bug 38792] SEGFAULT with radeon driver

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=38792

--- Comment #3 from rpr.nospam at gmail.com 2011-07-02 15:50:28 PDT ---
(In reply to comment #2)
> Is there a reason you are using UMS rather than KMS?

On Ubuntu 10.10 x64 on the same machine I experienced the problem explained on
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/619365
As a workaround I had to disable KMS for radeon driver by running:
# echo options radeon modeset=0 > /etc/modprobe.d/radeon-kms.conf

After recent upgrade to Ubuntu 11.04 I didn't remove that setting.

Your hint was helpful: I enabled KMS and now Xorg starts fine using the radeon
driver. So, for me the problem has been solved.

If someone wants to investigate the issue with KMS disabled I'm attaching the
output of gdb.

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