[Bug 61182] r600g causes KWin crashes with kernel 3.8

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=61182

--- Comment #11 from Michael Mair-Keimberger <bu9zilla at gmail.com> ---
I don't know if its the same but i can confirm similar crashes.

First of all, i have a triple head setup, 2 screens with 1920x1200 (left and
right) and one with 2560x1600 (middle). Those crashes happen since kernel 3.8
(i've used 3.8.[1-4]) and mesa-9.1 but i don't know which one actually
introduced the problem as i both updated at the same time..
Furthermore they are no crashes at all if i disable desktop effects in kde.

Basically i only have to create an new user and login into it. Kde usually sets
the resolution of all screens to 1920x1200 with enabled desktop effect. I can
actually move the screens back and forth (because the ordering is wrong too
with the first start) without problems, but as soon as i'm changing the
resolution of the middle screen X crashes.
Without effects i won't get any crashes.

If you need more info, please let me know.

Below are the relevant parts of Xorg.0.log (even though without debug symbols i
think its quite useless ;) ):

[  1671.397] (EE) 
[  1671.397] (EE) Backtrace:
[  1671.397] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x5860f6]
[  1671.397] (EE) 1: /usr/bin/X (0x400000+0x189e09) [0x589e09]
[  1671.397] (EE) 2: /lib64/libpthread.so.0 (0x7ff6d65e0000+0x10ff0)
[0x7ff6d65f0ff0]
[  1671.397] (EE) 3: /lib64/libc.so.6 (0x7ff6d5238000+0x8a6fb) [0x7ff6d52c26fb]
[  1671.397] (EE) 4: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x5175c7)
[0x7ff6d294f5c7]
[  1671.397] (EE) 5: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x517a87)
[0x7ff6d294fa87]
[  1671.398] (EE) 6: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x52a0dd)
[0x7ff6d29620dd]
[  1671.398] (EE) 7: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x528c4d)
[0x7ff6d2960c4d]
[  1671.398] (EE) 8: /usr/lib64/dri/r600_dri.so (0x7ff6d2438000+0x528e86)
[0x7ff6d2960e86]
[  1671.398] (EE) 9: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x4541a) [0x7ff6d451d41a]
[  1671.398] (EE) 10: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x39941) [0x7ff6d4511941]
[  1671.398] (EE) 11: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x3a183) [0x7ff6d4512183]
[  1671.398] (EE) 12: /usr/lib64/xorg/modules/extensions/libglx.so
(0x7ff6d44d8000+0x3c73e) [0x7ff6d451473e]
[  1671.398] (EE) 13: /usr/bin/X (0x400000+0x3ad96) [0x43ad96]
[  1671.398] (EE) 14: /usr/bin/X (0x400000+0x29e8d) [0x429e8d]
[  1671.398] (EE) 15: /lib64/libc.so.6 (__libc_start_main+0xed)
[0x7ff6d525c94d]
[  1671.398] (EE) 16: /usr/bin/X (0x400000+0x2a1fd) [0x42a1fd]
[  1671.398] (EE) 
[  1671.398] (EE) Bus error at address 0x7ff6ccbee000
[  1671.398] 
Fatal server error:
[  1671.398] Caught signal 7 (Bus error). Server aborting
[  1671.398] 
[  1671.398] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[  1671.398] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[  1671.398] (EE) 
[  1671.398] (II) AIGLX: Suspending AIGLX clients for VT switch
[  1671.460] Server terminated with error (1). Closing log file.

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