[жж][nouveau][arch] Падает OpenGL.

Backtrace:
[  1540.846] 0: /usr/bin/X (xorg_backtrace+0x26) [0x566aa6]
[  1540.846] 1: /usr/bin/X (0x400000+0x16a709) [0x56a709]
[  1540.846] 2: /lib/libpthread.so.0 (0x7febaa8be000+0xf850) [0x7febaa8cd850]
[  1540.846] 3: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7feba7a14000+0x1f899) [0x7feba7a33899]
[  1540.846] 4: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7feba7a14000+0xb3a5) [0x7feba7a1f3a5]
[  1540.846] 5: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7feba7a14000+0xbac5) [0x7feba7a1fac5]
[  1540.846] 6: /usr/lib/libdrm.so.2 (drmHandleEvent+0x8b) [0x7feba82834eb]
[  1540.846] 7: /usr/lib/xorg/modules/drivers/nouveau_drv.so (0x7feba7a14000+0x31a33) [0x7feba7a45a33]
[  1540.846] 8: /usr/bin/X (WakeupHandler+0x6b) [0x437b5b]
[  1540.846] 9: /usr/bin/X (WaitForSomething+0x1b6) [0x563ea6]
[  1540.846] 10: /usr/bin/X (0x400000+0x339d2) [0x4339d2]
[  1540.847] 11: /usr/bin/X (0x400000+0x22eba) [0x422eba]
[  1540.847] 12: /lib/libc.so.6 (__libc_start_main+0xed) [0x7feba980317d]
[  1540.847] 13: /usr/bin/X (0x400000+0x231ad) [0x4231ad]
[  1540.847] Segmentation fault at address 0x10
[  1540.847]
Fatal server error:
[  1540.847] Caught signal 11 (Segmentation fault). Server aborting
[  1540.847]
[  1540.847]
Please consult the The X.Org Foundation support
     at http://wiki.x.org
 for help.
[  1540.847] Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[  1540.847]
[  1540.847] (II) UnloadModule: "kbd"
[  1540.847] (II) Unloading kbd
[  1540.989] (II) UnloadModule: "mouse"
[  1540.989] (II) Unloading mouse
[  1540.990] (II) AIGLX: Suspending AIGLX clients for VT switch
[  1540.990] (II) NOUVEAU(0): NVLeaveVT is called.
[  1540.996] Server terminated with error (1). Closing log file.