linux-kernel - Re: 3.15-rc: regression in suspend

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Message-ID: <CAKMK7uFEjDGSpdB0xDPL09GZ8N7aFrNA530HbRLyfTPx5SkLQw@mail.gmail.com>
Date:	Thu, 15 May 2014 17:31:54 +0200
From:	Daniel Vetter <daniel.vetter@...ll.ch>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Linux-pm mailing list <linux-pm@...ts.osdl.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>
Subject: Re: 3.15-rc: regression in suspend

On Thu, May 15, 2014 at 5:29 PM, Jiri Kosina <jkosina@...e.cz> wrote:
>> > Note that X do work somehow after resume (I can't switch virtual
>> > desktops and dialog is stuck on screen, but it is not complete
>> > failure). I can do ctrl-alt-f1 and get to useful prompt.
>>
>> Oops. You were right. It seems it is duplicate after all.
>>
>> [drm:init_ring_common] *ERROR* render ring initialization failed ctl 0001f001 head 00001020 tail 00000000 start 00003000
>
> Pavel, thanks a lot for testing.
>
> Adding Daniel and Chris to CC -- we have another incarnation of the bug
> that is being chased in 76554.

Someone succeeding at a bisect would be awesome ... Note that the only
key here is the ring init failure in dmesg.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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