linux-kernel - Re: regression: GM45 on Dell Latitude E6400 display from 1440x900 to 1024x768 somewhere between 2.6.38-git2 and -git7

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Message-ID: <AANLkTinG5jvw7mYVxkhQ0RqpCyDmPTHHbiHxW8oHhwz0@mail.gmail.com>
Date:	Thu, 24 Mar 2011 13:03:55 +0100
From:	Alessandro Suardi <alessandro.suardi@...il.com>
To:	Chris Wilson <chris@...is-wilson.co.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: regression: GM45 on Dell Latitude E6400 display from 1440x900 to
 1024x768 somewhere between 2.6.38-git2 and -git7

On Thu, Mar 24, 2011 at 12:45 PM, Chris Wilson <chris@...is-wilson.co.uk> wrote:
> On Thu, 24 Mar 2011 12:30:49 +0100, Alessandro Suardi <alessandro.suardi@...il.com> wrote:
>> Fedora 14 x86_64
>>
>> [   375.231] (II) intel(0): Integrated Graphics Chipset: Intel(R) GM45
>> [   375.231] (--) intel(0): Chipset: "GM45"
>>
>> startx yields:
>>
>>  2.6.38-git2 and earlier: correct 1440x900 display
>>  2.6.38-git3 through -git6: not tested due to kernel build errors
>>  2.6.38-git7 through -git14: wrong 1024x768 display with black bands at sides
>>
>> Once in wrong mode, xrandr --fb 1440x900 --output LVDS1 --mode 1440x900
>>  helps return the screen to correct display, but:
>>
>>  - background image is drawn incorrectly (like a 1440x900 correct one with a
>>     superimposed 1024x768 starting from upper left corner)
>>  - mplayer in full screen mode does not actually go full screen, but 1024x768
>>
>> comparative Xorg logs and dmesg output for 2.6.38-git2 and -git14 available
>>  upon request; lspci -v says:
>
> There's not much we can say until we see those...
> -Chris

OK - attaching in .tgz as they'd probably cross lkml size limits:

[root@...f ~]# tar tvzf logs.tgz
-rw-r--r-- root/root     54172 2011-03-24 10:14 dmesg-2638git14.out
-rw-r--r-- root/root     51464 2011-03-24 10:23 dmesg-2638git2.out
-rw-r--r-- root/root    106118 2011-03-24 10:15 Xorg.0.log-2638git14
-rw-r--r-- root/root    107744 2011-03-24 10:23 Xorg.0.log-2638git2

thanks,

--alessandro

 "There's always a siren singing you to shipwreck"

   (Radiohead, "There There")

Download attachment "logs.tgz" of type "application/x-gzip" (45202 bytes)