[Bug 71871] [ALL] visual corruption when kms kicks in

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71871

--- Comment #5 from Ben Widawsky <ben at bwidawsk.net> ---
(In reply to comment #3)
> The cause is that we scribble over the GTT whilst the outputs are still
> reading from it (during BIOS -> KMS takeover). It is not yet fixed, and the
> regression is on all machines dating from about 3.2 - in some cases this is
> known to also cause a GPU hang.

Oddly it seems to come and go for me... but definitely it has existed for a
long time.

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20131122/9237fc90/attachment.html>