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[ngsupb <816494@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Sometimes everything just freezes and have to reboot. From the kernel
log I get these errors before it happened :

Jul 26 17:51:05 vetala kernel: [13753.061542] [drm] nouveau 0000:01:00.0: PGRAPH - ILLEGAL_MTHD
Jul 26 17:51:05 vetala kernel: [13753.061554] [drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0002010000) subc 2 class 0x5039 mthd 0x0860 data 0x722372d3
Jul 26 17:51:05 vetala kernel: [13753.061563] [drm] nouveau 0000:01:00.0: PGRAPH - ILLEGAL_MTHD
Jul 26 17:51:05 vetala kernel: [13753.061569] [drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0002010000) subc 2 class 0x5039 mthd 0x0860 data 0xfffffffd
Jul 26 17:51:05 vetala kernel: [13753.061578] [drm] nouveau 0000:01:00.0: PGRAPH - ILLEGAL_MTHD
Jul 26 17:51:05 vetala kernel: [13753.061584] [drm] nouveau 0000:01:00.0: PGRAPH - ch 4 (0x0002010000) subc 2 class 0x5039 mthd 0x0860 data 0x4fbd4f10


I have googled this solution:  https://bugzilla.kernel.org/show_bug.cgi?id=36962

Appears it is fixed in kernel 3.0. Can the patch be applied to the
current Natty version? The latest kernel 3.0 from ppa doesn't work for
me due to some error with virtualbox modules.

** Affects: xserver-xorg-video-nouveau (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/816494

Title:
  nouveau 0000:01:00.0: PGRAPH - ILLEGAL_MTHD

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