linux-kernel - Re: [V13-prerc]: REGRESSION: "*ERROR* Timed out waiting for forcewake old ack to clear"

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Message-ID: <CADDKRnBj0SxZ_KfCYMNuuj0VCTfyiXyMaWsj09j2vHZyfGyL0w@mail.gmail.com>
Date:	Sat, 16 Nov 2013 15:39:51 +0100
From:	Jörg Otte <jrg.otte@...il.com>
To:	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	dri-devel@...ts.freedesktop.org
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Mika Kuoppala <mika.kuoppala@...ux.intel.com>,
	Ben Widawsky <benjamin.widawsky@...el.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [V13-prerc]: REGRESSION: "*ERROR* Timed out waiting for forcewake
 old ack to clear"

2013/11/16 Daniel Vetter <daniel.vetter@...ll.ch>:
> On Sat, Nov 16, 2013 at 12:28 PM, Jörg Otte <jrg.otte@...il.com> wrote:
>> On startup I get the following error display on the console:
>> "*ERROR* Timed out waiting for forcewake old ack to clear"
>>
>> I already reported this error a year ago at the time of v3.7
>> ( see https://lkml.org/lkml/2012/11/27/355)
>> which was fixed later on.
>>
>> Now this error is back again.  Kernel 3.12.0-09888-gf63c48
>
> Please boot with drm.debug=0xe, reproduce the issue and then attach
> the complete dmesg (including all the boot message, so if it takes a
> while to reproduce please grab an boot dmesg, too).
>
> Also adding the right mailing lists, see MAINTAINERS.
>
> Thanks, Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch

Thanks, Jörg

Download attachment "dmesg.drm" of type "application/octet-stream" (165898 bytes)