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From: Ivan Bulatovic <combuster@gmx.com>
To: Andrew Lutomirski <luto@mit.edu>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0
Date: Tue, 24 May 2011 22:05:56 +0200
Message-ID: <20110524220556.3003a0be@gmx.com> (raw)
In-Reply-To: <BANLkTim6hVTes8GJiPm4rZVxu4fy1L5CCA@mail.gmail.com>

On Tue, 24 May 2011 13:10:27 -0400
Andrew Lutomirski <luto@mit.edu> wrote:

> On Thu, May 19, 2011 at 4:50 PM, Andrew Lutomirski <luto@mit.edu>
> wrote:
> > On Thu, May 19, 2011 at 3:56 PM, Keith Packard <keithp@keithp.com>
> > wrote:
> >> On Fri, 13 May 2011 12:14:54 -0400, Andy Lutomirski <luto@MIT.EDU>
> >> wrote:
> >>
> >>> My Q67 / i7-2600 box has rev09 Sandy Bridge graphics.  It hangs
> >>> instantly when GNOME loads and it hangs so hard the reset button
> >>> doesn't work.  Setting i915.semaphore=0 fixes it.
> >>
> >> Can you describe precisely what hardware you have? The make and
> >> model of the motherboard and the exact model of CPU? I'd like to
> >> get this issue resolved for 2.6.40 and need to have a reliable way
> >> to reproduce the hang; replicating your hardware may be a good way
> >> of doing that.
> >
> 
> I'm getting hangs on my X220 Core i7 laptop as well with 2.6.39 and
> i915.semaphores=1.  They're not as reliable -- sometimes the system
> hangs on log in, sometimes after a few seconds, and sometimes it
> doesn't hang.
> 
> --Andy

I haven't had GPU hangs since this patch:

https://bugs.freedesktop.org/show_bug.cgi?id=33921#c23

Poll the FIFO for free entries before writing the register

Gigabyte GA-H67MA-UD2H-B3 + i5 2400 here.
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  parent reply index

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-13  5:38 [2.6.39 regression] hard lock when GNOME starts Andrew Lutomirski
2011-05-13 16:07 ` Andrew Lutomirski
2011-05-13 16:14   ` [PATCH] drm/i915: Revert i915.semaphore=1 default from 47ae63e0 Andy Lutomirski
2011-05-15 23:09     ` Keith Packard
2011-05-19 19:56     ` Keith Packard
2011-05-19 20:50       ` Andrew Lutomirski
2011-05-24 17:10         ` Andrew Lutomirski
2011-05-24 17:46           ` Keith Packard
2011-05-24 20:05           ` Ivan Bulatovic [this message]
2011-06-07  7:12         ` Eric Anholt
2011-06-10 14:06           ` Andrew Lutomirski
2011-08-22 16:53             ` Jesse Barnes
2011-08-31 18:24               ` Ben Widawsky
2011-08-31 18:30               ` Andrew Lutomirski
2011-08-31 19:07                 ` Keith Packard
2011-08-31 19:37                   ` Andrew Lutomirski
2011-09-26 17:59                     ` [PATCH] drm/i915: kicking rings considered harmful Daniel Vetter
2011-09-26 19:07                       ` Andrew Lutomirski
2011-09-27  9:57                         ` Daniel Vetter
2011-09-27  5:22                       ` Ben Widawsky
2011-09-27 10:03                         ` Daniel Vetter
2011-09-27 16:46                           ` Ben Widawsky
2011-09-27 17:31                             ` Chris Wilson
2011-09-27 18:03                               ` Daniel Vetter
2011-09-27 19:38                                 ` Ben Widawsky
2011-09-27 21:54                                   ` Chris Wilson
2011-09-28  1:34                                     ` Ben Widawsky
2011-09-28  8:47                                       ` Chris Wilson
2011-09-28  8:53                                         ` Daniel Vetter
2011-10-03 20:21                                           ` Andrew Lutomirski
2011-10-03 21:02                                             ` Daniel Vetter

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