[Bug 77207] [ivb/hsw] batch overwritten with garbage

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77207

Kenneth Graunke <kenneth at whitecape.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|idr at freedesktop.org         |kenneth at whitecape.org

--- Comment #6 from Kenneth Graunke <kenneth at whitecape.org> ---
Our current theory is that Mesa is allocating insufficient memory for the MCS
buffers, and the GPU is running off the end of those and trampling whatever
happens to come after it in memory.  In this case, that's the batchbuffer.  In
MCS speak, 0xff means "this part of the buffer is clear."

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