[Openchrome-devel] Testing kms_branch r941 on kernel

Xavier Bachelot xavier
Mon Aug 8 10:02:07 PDT 2011

On 08/08/2011 02:23 PM, Natanael Copa wrote:
> Hi,
> Just a short feedback. I saw there was some commits in kms_branch so I
> gave it a test run.
> I tested running it with no xorg.conf at all with the Alpine Linux
> default kernel ( + grsecurity patch). The result was that it
> didn't start X at all.
> I am not sure what to expect from it at this point but it looks like it
> depends on the kernel driver.
> What does look nice is that it detected the correct size of my
> screen :)
> Attached is the Xorg.0.log.
> The lspci output:
> 01:00.0 VGA compatible controller: VIA Technologies, Inc. CN896/VN896/P4M900 [Chrome 9 HC] (rev 01)
> Thanks for working on this driver!
> -nc
The via drm driver in mainline kernel doesn't know about the P4M900 and 
thus is not loading. Then because of this, the X driver is returning an 
error to the xserver when trying to init the screen which is probably a 
bit too much, as drm should not be needed. From a quick glance, may be 
removing line 1469 in via_driver.c will get you further.


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