From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 29787] random XRandR failures (i2c related?)
Date: Fri, 19 Nov 2010 07:30:53 -0800 (PST)
Message-ID: <20101119153053.7E3FE13000D@annarchy.freedesktop.org>
References:
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path:
Received: from annarchy.freedesktop.org (annarchy.freedesktop.org
[131.252.210.176])
by gabe.freedesktop.org (Postfix) with ESMTP id 8B0089E94B
for ;
Fri, 19 Nov 2010 07:30:53 -0800 (PST)
In-Reply-To:
List-Unsubscribe: ,
List-Archive:
List-Post:
List-Help:
List-Subscribe: ,
Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org
Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org
To: dri-devel@lists.freedesktop.org
List-Id: dri-devel@lists.freedesktop.org
https://bugs.freedesktop.org/show_bug.cgi?id=29787
--- Comment #13 from Alex Deucher 2010-11-19 07:30:51 PST ---
(In reply to comment #12)
> It seems that both the EDID errors and the XRandR failures do not occur when I
> disable preemption (that, and I'm running 37-rc2 now). I'm currently rebuilding
> -rc2 with forced preemption again, will alternate between those kernels for the
> next few days to see what happens.
Getting the EDID is a timing sensitive bit banging operation, it the driver
gets preempted in the middle of an EDID fetch the fetch may fail or get
incomplete data.
--
Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.