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[Rich <567696@xxxxxxxxxxxxxxxxxx>]

Same as funicorn.  1-3 time a day, X seems to randomly freeze.  The
mouse still moves but the screen stays frozen.  I'm on a Thinkpad W510
(Intel i7 and Nvidia Quatro card).  I was experiencing this on 10.10,
and it's still with me after a 11.04 upgrade.  Here's the relevant
portion of Xorg.0.log:


[  2071.340] (II) XKB: reuse xkmfile /var/lib/xkb/server-9A8405F3FE0A780485714A4B6DD41909C2CF9F83.xkm
[  2091.345] [mi] EQ overflowing. The server is probably stuck in an infinite loop.
[  2091.345]
Backtrace:
[  2091.385] 0: /usr/bin/X (xorg_backtrace+0x26) [0x4a2626]
[  2091.385] 1: /usr/bin/X (mieqEnqueue+0x1f4) [0x4a18e4]
[  2091.385] 2: /usr/bin/X (xf86PostButtonEventM+0xaf) [0x47dccf]
[  2091.386] 3: /usr/bin/X (xf86PostButtonEvent+0xdd) [0x47de9d]
[  2091.386] 4: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f52629fc000+0x60b6) [0x7f5262a020b6]
[  2091.386] 5: /usr/lib/xorg/modules/input/evdev_drv.so (0x7f52629fc000+0x668d) [0x7f5262a0268d]
[  2091.386] 6: /usr/bin/X (0x400000+0x6c657) [0x46c657]
[  2091.386] 7: /usr/bin/X (0x400000+0x124bbe) [0x524bbe]
[  2091.386] 8: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7f5267ca6000+0xfc60) [0x7f5267cb5c60]
[  2091.386] 9: /lib/x86_64-linux-gnu/libc.so.6 (ioctl+0x7) [0x7f5266cae297]
[  2091.386] 10: /lib/x86_64-linux-gnu/libdrm.so.2 (drmIoctl+0x28) [0x7f5265248058]
[  2091.386] 11: /lib/x86_64-linux-gnu/libdrm.so.2 (drmCommandWrite+0x1b) [0x7f526524a30b]
[  2091.386] 12: /lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (0x7f5264c05000+0x2b87) [0x7f5264c07b87]
[  2091.386] 13: /lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (nouveau_bo_map_range+0xfe) [0x7f5264c0819e]
[  2091.386] 14: /lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (0x7f5264c05000+0x1c2d) [0x7f5264c06c2d]
[  2091.386] 15: /lib/x86_64-linux-gnu/libdrm_nouveau.so.1 (nouveau_pushbuf_flush+0x1ae) [0x7f5264c0722e]
[  2091.386] 16: /usr/lib/xorg/modules/libexa.so (0x7f5263f88000+0x9015) [0x7f5263f91015]
[  2091.386] 17: /usr/lib/xorg/modules/libexa.so (0x7f5263f88000+0xbba1) [0x7f5263f93ba1]
[  2091.386] 18: /usr/bin/X (0x400000+0xdcab9) [0x4dcab9]
[  2091.386] 19: /usr/lib/xorg/modules/libexa.so (0x7f5263f88000+0xd1c1) [0x7f5263f951c1]
[  2091.386] 20: /usr/bin/X (0x400000+0xdc1b5) [0x4dc1b5]
[  2091.386] 21: /usr/bin/X (0x400000+0xd5638) [0x4d5638]
[  2091.386] 22: /usr/bin/X (0x400000+0x2e2a9) [0x42e2a9]
[  2091.387] 23: /usr/bin/X (0x400000+0x21a7e) [0x421a7e]
[  2091.387] 24: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xff) [0x7f5266befeff]
[  2091.387] 25: /usr/bin/X (0x400000+0x21629) [0x421629]


Sometimes the first line (xkmfile) appears and sometimes it doesn't.
There doesn't seem to be anything in the kern.log around the time of the
X crash.

If anybody knows of a workaround, I'm all ears.  This is incredibly
frustrating!

-- 
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https://bugs.launchpad.net/bugs/567696

Title:
  [Radeon] [Lucid] [mi] EQ overflowing. The server is probably stuck in
  an infinite loop