Re: Xorg crash at first start

[Cédric Godin]

Dave Airlie wrote:
> On Fri, Dec 5, 2008 at 12:26 AM, Cédric Godin <cedric@xxxxxxxxxx> wrote:
>   
>> Hello,
>>
>> With the v2.6.28-rc7-105-gfeaf384 kernel, when booting my compaq with
>> attached config, the screen switches in graphical mode but then switches
>> back in textual mode with an 'irq10 nobody cared' error in dmesg (attached).
>>
>> If I restart kdm by hand, all is ok (i have my kdm) but the error yet
>> appears in dmesg (at each X start in fact).
>>
>> I bisected the problem (git bisect log attached) and found the following
>> commit as "culprit" :
>>
>> commit 52440211dcdc52c0b757f8b34d122e11b12cdd50
>> Author: Keith Packard <keithp@xxxxxxxxxx>
>> Date:   Tue Nov 18 09:30:25 2008 -0800
>>
>>    drm: move drm vblank initialization/cleanup to driver load/unload
>>
>>    drm vblank initialization keeps track of the changes in driver-supplied
>>    frame counts across vt switch and mode setting, but only if you let
>> it by
>>    not tearing down the drm vblank structure.
>>
>>    Signed-off-by: Keith Packard <keithp@xxxxxxxxxx>
>>    Signed-off-by: Dave Airlie <airlied@xxxxxxxxxx>
>>
>> Reverting it brings back my X screen at first start.
>>     
>
> Just for testing, can you try without using vesafb....
>
> so remove the vga= line from the commandline or build the kernel
> without vesafb support.
>   
I can confirm the problem without vesafb
> Dave.
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>   

Cedric
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