[Bug 67243] [ILK]igt/kms_render/gpu-blit randomly causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=67243

Imre Deak <imre.deak at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |NEEDINFO

--- Comment #25 from Imre Deak <imre.deak at gmail.com> ---
I could hit a hard hang - by causing pipe underruns - and it seems to be the
same what you see. Leaving the primary WM value at its default and keeping the
LP WMs disabled got rid of the problem for me. Also Ville's WM rework seems to
fix the issue for me, so could you give it a try:

git://gitorious.org/vsyrjala/linux.git watermarks_for_imre branch.

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