Bug#703390: GPU hungs, the X11 process has high CPU usage and the screen becomes lag

[Jonathan Nieder <jrnieder@gmail.com>]

forwarded 703390 https://bugs.freedesktop.org/62507
quit

SuperCat wrote:

> I have report the bug to freedebug.org

Thanks!  Chris Wilson writes:

| your hangs are a result of bugs in the rc6 implementation (enabled by
| default as it saves a lot of power on all systems)

which sounds like they understand it somewhat.  If you can confirm
that passing i915.i915_enable_rc6=0 on the kernel command line makes
the hangs go away, that would be useful.

Regards,
Jonathan