linux-kernel - Re: [REGRESSION] [2.6.39-rc3] Wrong resolution in framebuffer and X Window

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Message-Id: <201104211922.05779.maciej.rutecki@gmail.com>
Date:	Thu, 21 Apr 2011 19:22:05 +0200
From:	Maciej Rutecki <maciej.rutecki@...il.com>
To:	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	mbroemme@...sserver.de, airlied@...ux.ie,
	dri-devel@...ts.freedesktop.org, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [REGRESSION] [2.6.39-rc3] Wrong resolution in framebuffer and X Window

(add LKML)

On niedziela, 17 kwietnia 2011 o 18:04:04 Maciej Rutecki wrote:
> Hi
> 
> Last known good: 2.6.38
> Failing kernel: 2.6.39-rc3
> Subsystem: Intel graphics driver.
> 
> Description:
> PC should work with 1440x900 resolution. But console (and after) X Window
> start work with 1024x768.
> 
> I attach dmesg and Xorg.0.log with drm.debug=14 log_buf_len=16M options:
> http://unixy.pl/maciek/download/kernel/2.6.39-rc1/zlom/kms/
> 
> seems that driver cannot detect resolution higher than 1024x768.
> 
> Also I boot kernel replace "i915.modeset=1" with "nomodeset" option:
> http://unixy.pl/maciek/download/kernel/2.6.39-rc1/zlom/nomodeset/
> 
> But then X Window fails to start and got message: "(EE) No devices
> detected."
> 
> Config for 2.6.39-rc3:
> http://unixy.pl/maciek/download/kernel/2.6.39-rc1/zlom/config-2.6.39-rc3
> 
> Best regards

Device:
00:02.0 VGA compatible controller: Intel Corporation 82G33/G31 Express 
Integrated Graphics Controller (rev 02)

-- 
Maciej Rutecki
http://www.maciek.unixy.pl
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