Intel KMS: New chip to play

[Kostik Belousov]

On Thu, Oct 20, 2011 at 09:54:02PM +0300, George Liaskos wrote:
> Hello Konstantin,
> 
> I got a new intel 2500k which seems to be pretty popular these days:
> 
> vgapci1 at pci0:0:2:0:	class=0x030000 card=0x844d1043 chip=0x01128086
> rev=0x09 hdr=0x00
> 
> The display goes black and xorg craches (patch 10.3 / 9.0-BETA3),
> 
> dmesg:   http://pastebin.com/xUXZGWnm
> Xorg log: http://pastebin.com/P8kBpw06
> 
> Please let me know if you need anything else.

I think you need to do some local debugging. The troublesome part of the
Xorg log seems to be

[   161.049] drmOpenDevice: node name is /dev/dri/card0
[   161.049] Failed to change owner or group for file /dev/dri/card0! 2: No such file or directory
[   161.049] drmOpenDevice: open result is -1, (No such file or directory)
[   161.049] Failed to change owner or group for file /dev/dri/card0! 2: No such file or directory
[   161.049] drmOpenDevice: open result is -1, (No such file or directory)
[   161.049] drmOpenDevice: Open failed
[   161.049] [drm] failed to load kernel module "i915"
[   161.049] (EE) intel(0): [drm] Failed to open DRM device for pci:0000:00:02.0: File exists
[   161.049] (EE) intel(0): Failed to become DRM master.

You need to check what is going on there. Might be, try to load i915 before
starting X.

Normal startup sequence should look like this:

[  3222.743] drmOpenDevice: node name is /dev/dri/card0
[  3222.743] drmOpenDevice: open result is 10, (OK)
[  3222.743] drmOpenByBusid: Searching for BusID pci:0000:00:02.0
[  3222.743] drmOpenDevice: node name is /dev/dri/card0
[  3222.744] drmOpenDevice: open result is 10, (OK)
[  3222.744] drmOpenByBusid: drmOpenMinor returns 10
[  3222.744] drmOpenByBusid: Interface 1.4 failed, trying 1.1
[  3222.744] drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0

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