[Intel-gfx] [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0
luto at mit.edu
Wed Aug 31 11:30:00 PDT 2011
On Mon, Aug 22, 2011 at 12:53 PM, Jesse Barnes <jbarnes at virtuousgeek.org>
> On Fri, 10 Jun 2011 10:06:39 -0400
> Andrew Lutomirski <luto at mit.edu> wrote:
>> On Tue, Jun 7, 2011 at 3:12 AM, Eric Anholt <eric at anholt.net> wrote:
>> > I fear this bug is just "getting more asynchronous with the GPU means
>> > trigger race conditions on the GPU more easily." On that note, could
>> > you retest with Mesa as of this commit, since I'm told this is a GT1
>> > commit ef59049c5242a1be7fa59a182d342191185dd62b
>> > Author: Eric Anholt <eric at anholt.net>
>> > Date: Sun Jun 5 23:20:57 2011 -0700
>> > i965: Fix flipped GT1 vs GT2 URB VS entry count limits.
>> Nope -- I still got the reset-button-not-working hang.
>> I'm pretty sure I installed mesa right -- I moved everything in
>> /usr/lib64/dri out of the way and put the files in mesa/lib/ in there.
> Andrew, what's the latest with this? Are you still seeing problems
> when semaphores are enabled?
Yes. On the latest -rc, the system still freezes hard when mutter starts up
if I set i915.semaphores=1.
[I typed this email last week but apparently it got stuck as a draft.
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