Comment # 10 on bug 1160807 from ulfbart

Someone of my LUG have a similar error:

[   177.375] (II) RADEON(0): Modeline "1280x1024"x0.0  108.00  1280 1328 1440
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[   177.375] (II) RADEON(0): Modeline "1152x864"x0.0  108.00  1152 1216 1344
1600  864 865 868 900 +hsync +vsync (67.5 kHz e)
[   177.420] (II) RADEON(0): Allocate new frame buffer 3840x1920
[   177.427] (II) RADEON(0): VRAM usage limit set to 197244K
[   177.428] (EE)
[   177.428] (EE) Backtrace:
[   177.428] (EE) 0: /usr/bin/Xorg.bin (xorg_backtrace+0x85) [0x5644ea85f875]
[   177.428] (EE) 1: /usr/bin/Xorg.bin (0x5644ea689000+0x1d8375)
[0x5644ea861375]
[   177.428] (EE) 2: /lib64/libc.so.6 (0x7f57b925e000+0x427a0) [0x7f57b92a07a0]
[   177.428] (EE)
[   177.428] (EE) Segmentation fault at address 0x0
[   177.428] (EE)
Fatal server error:
[   177.428] (EE) Caught signal 11 (Segmentation fault). Server aborting
[   177.428] (EE)
[   177.428] (EE)
Please consult the The X.Org Foundation support
     at http://wiki.x.org
 for help.
[   177.428] (EE) Please also check the log file at "/var/log/Xorg.0.log" for
additional information.
[   177.429] (EE)
[   177.429] (II) AIGLX: Suspending AIGLX clients for VT switch
[   177.440] (EE) Server terminated with error (1). Closing log file.

Since the last tumbleweed update since Saturday.
Wayland is still running (not fully useable due to some missing features).
A new user the Login with X.org works :-(