[Intel-gfx] linux intel and xorg status on i915GM hardware

Adam Jackson ajax at redhat.com
Fri Jan 6 08:55:48 PST 2012


On 1/6/12 2:45 AM, Knut Petersen wrote:

> 1: Xorg.0.log is full of (besides timestamp) identical EDID entries:
> ==================================================
>
> [ 2502.358] (II) intel(0): EDID vendor "ENC", prod id 5769
> [ 2502.358] (II) intel(0): Using EDID range info for horizontal sync
> [ 2502.358] (II) intel(0): Using EDID range info for vertical refresh
> [ 2502.358] (II) intel(0): Printing DDC gathered Modelines:
> [ 2502.358] (II) intel(0): Modeline "1280x1024"x0.0 108.00 1280 1328
> 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz eP)
> [ 2502.358] (II) intel(0): Modeline "800x600"x0.0 40.00 800 840 968 1056
> 600 601 605 628 +hsync +vsync (37.9 kHz e)
> [ 2502.358] (II) intel(0): Modeline "640x480"x0.0 25.18 640 656 752 800
> 480 490 492 525 -hsync -vsync (31.5 kHz e)
> [ 2502.358] (II) intel(0): Modeline "720x400"x0.0 28.32 720 738 846 900
> 400 412 414 449 -hsync +vsync (31.5 kHz e)
> [ 2502.358] (II) intel(0): Modeline "1024x768"x0.0 65.00 1024 1048 1184
> 1344 768 771 777 806 -hsync -vsync (48.4 kHz e)

Does this happen with no X apps running, just a naked X server?  If so 
you have something causing spurious hotplug interrupts.  If not, 
something in your session is querying the server a lot.

I believe gnome attempts to isolate calls to XRRGetScreenResources to 
gnome-settings-daemon for precisely this reason (only one app really 
needs to call it and the rest should query through the session bus).

> 5. Xorg fails to start without a manually created "Section Modules" in
> config
> =========================================================
> see: https://bugs.freedesktop.org/show_bug.cgi?id=41208

You really do have a toolchain bug there.

- ajax


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