linux-kernel - Re: i915: pipe state still does not match

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Message-ID: <20131127110836.GA6087@nuc-i3427.alporthouse.com>
Date:	Wed, 27 Nov 2013 11:08:36 +0000
From:	Chris Wilson <chris@...is-wilson.co.uk>
To:	Jan Engelhardt <jengelh@...i.de>
Cc:	daniel.vetter@...ll.ch, dri-devel@...ts.freedesktop.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: i915: pipe state still does not match

On Wed, Nov 27, 2013 at 11:59:56AM +0100, Jan Engelhardt wrote:
> Greetings.
> 
> 
> Despite the i915/drm fixes added in v3.11.8, the X server still 
> terminates due to some pipe state bug in 3.11.9.
> 
> I have a fb setup to span two crtcs in below's configuration,
> and the kernel problem is easily triggerable for me by moving
> an Xv window (such as by using mplayer) forth and back
> between the two crtc.
> The problem did not exist in 3.9.9.
> 
> > xrandr
> Screen 0: minimum 320 x 200, current 1280 x 1624, maximum 32767 x 32767
> LVDS1 connected primary 1024x600+0+1024 (normal left inverted right x axis y axis) 220mm x 129mm
>    1024x600       60.0*+
>    800x600        60.3     56.2  
>    640x480        59.9  
> VGA1 connected 1280x1024+0+0 (normal left inverted right x axis y axis) 376mm x 301mm
>    1280x1024      60.0*+   75.0     72.0  
>    1152x864       75.0  
>    1024x768       75.1     70.1     60.0  
>    832x624        74.6  
>    800x600        72.2     75.0     60.3  
>    640x480        75.0     72.8     66.7     60.0  
>    720x400        70.1  
>    640x350        70.1  
> VIRTUAL1 disconnected (normal left inverted right x axis y axis)

X terminating is entirely unconnected with that *ERROR*. Can you please
attach your Xorg.0.log with the crash information?
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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