http://bugzilla.kernel.org/show_bug.cgi?id=12778


Jesse Barnes <jbar...@virtuousgeek.org> changed:

           What    |Removed                     |Added
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                 CC|                            |jbar...@virtuousgeek.org




--- Comment #11 from Jesse Barnes <jbar...@virtuousgeek.org>  2009-04-07 
00:57:05 ---
If it really happened between rc5 and rc6 something outside of drivers/gpu must
be to blame:

[jbar...@jbarnes-t61 drm-intel]$ git log v2.6.28-rc5..v2.6.28-rc6 drivers/gpu
[jbar...@jbarnes-t61 drm-intel]$

After -rc6 came out there were some changes though (and the resulting kernel
would have still been called -rc6 until the final Makefile change):

[jbar...@jbarnes-t61 drm-intel]$ git shortlog v2.6.28-rc5..v2.6.28-rc7
drivers/gpu
Andrew Morton (1):
      drivers/gpu/drm/i915/i915_irq.c: fix warning

Eric Anholt (3):
      drm/i915: Remove IMR masking during interrupt handler, and restart it if
n
      drm/i915: Avoid BUG_ONs on VT switch with a wedged chipset.
      drm/i915: Fix copy'n'pasteo that broke VT switch if flushing was
non-empty

Keith Packard (5):
      drm/i915: Manage PIPESTAT to control vblank interrupts instead of IMR.
      drm/i915: Subtract total pinned bytes from available aperture size
      drm/i915: Always read pipestat in irq_handler
      drm/i915: execbuffer pins objects, no need to ensure they're still in the
      drm: move drm vblank initialization/cleanup to driver load/unload

Peng Li (1):
      drm/i915: Save/restore HWS_PGA on suspend/resume

Would it be possible for one of you to bisect?  Martin, you also mentioned that
X was hanging on an ioctl, can you attach to the server with gdb and get a
proper backtrace?  Please post further info to
http://bugs.freedesktop.org/show_bug.cgi?id=20520 since it's easier for me to
track there.

Thanks.

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