linux-kernel - Re: 2.6.33-rc8 regression on i915: resume from hibernate locks up every 2nd time

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Message-Id: <201002172111.42511.rjw@sisk.pl>
Date:	Wed, 17 Feb 2010 21:11:42 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pedro Ribeiro <pedrib@...il.com>
Cc:	linux-kernel@...r.kernel.org, intel-gfx@...ts.freedesktop.org
Subject: Re: 2.6.33-rc8 regression on i915: resume from hibernate locks up every 2nd time

On Wednesday 17 February 2010, Pedro Ribeiro wrote:
> Hi,
> 
> commit 84b79f8d2882b0a84330c04839ed4d3cefd2ff77 (drm/i915: Fix crash
> while aborting hibernation) introduced two new issues which were not
> present in 2.6.33-rc7:
> 
> - every second resume from hibernate results in a blank screen
> - the annoying flash at the end of atomic copy/restore during the
> hibernate process is back (present in kernels < 2.6.33)
> 
> The first issue is serious, the second is just an annoyance.

The second one is an expected price of fixing the aborted hibernation
regression.

The first one shouldn't happen, though.

I'll see if I can reproduce that locally.

Rafael
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