[Bug 64764] 845G: crtc active state doesn't match with hw state

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64764

--- Comment #2 from mlsemon35 at gmail.com ---
(In reply to comment #1)
> Bisecting won't be useful since this check has only been added in 3.7. So
> very likely the issue has existed since forever.
> 
> Two things:
> - Does anything wrt modesetting not work on your machine?
> - Can you please compile the latest stable kernel (just so that we have all
> the latest debug output), boot with drm.debug=0xe added to your kernel
> commandline and attach the complete dmesg after you've reproduced the issue?
> Please make sure that the dmesg contains everything since boot-up, you might
> need to stich it together from logfiles or increase the buffer size with the
> log_buf_len kernel option (e.g. log_buf_len=4M).

WRT modesetting, I'm happy with it.  Bouncing back and forth from X to console
and back, doing silly things like playing with the OpenGL screen savers and
such, the GPU gets wedged so rarely now that it's effectively unreproducible. 
It never crashes or locks up.  Also, KMS gripes about a bad monitor EDID from
time to time, not nearly as much as it used to do it.  As far as booting to a
console goes, just straight KMS with no interference from X11, it seems very
good, other than for the console blanking (wakeup?) issue.  On older kernels,
it used to oops in such situations.  Now, it gives something much more benign.

I'll try to brew up a 3.9.3 kernel.  Bandwidth is limited here, so I'll have to
check it out from a git that's already here.

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