linux-kernel - Re: [drm:init_ring_common] *ERROR* render ring head not reset to zero

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Date:	Mon, 04 Oct 2010 21:46:38 +0100
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Thomas Meyer <thomas@...3r.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [drm:init_ring_common] *ERROR* render ring head not reset to zero

On Mon, 4 Oct 2010 22:31:20 +0200, Thomas Meyer <thomas@...3r.de> wrote:
> [    0.556247] [drm:init_ring_common] *ERROR* render ring head not reset to zero ctl 00000000 head 02001000 tail 00000000 start 02001000
> [    0.556320] [drm:init_ring_common] *ERROR* render ring head forced to zero ctl 00000000 head 00000000 tail 00000000 start 02001000
> 
> Bug or feature?

Hardware feature, software bug. Could also be a feature of the software to
report a hardware bug...

At any rate, it shouldn't be happening and you are not alone at finding
such errors in your logs.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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