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

From: Maciej Rutecki
Date: Thu Apr 21 2011 - 13:22:23 EST


(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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