[Bug 17702] Stable2.6.35.x kernel regression: KMS/xorg fails to start, xorg log ending as DRI2 starts

[<bug...@bu...>]

https://bugzilla.kernel.org/show_bug.cgi?id=17702





--- Comment #1 from Michel Dänzer <mi...@da...>  2010-09-03 07:19:12 ---
(In reply to comment #1)
> [   501.046] (II) RADEON(0): GPU accel disabled or not working, using shadowfb
> for KMS

Why is acceleration not working? If in doubt, attach the dmesg output.


> [   501.055] (--) Depth 24 pixmap format is 32 bpp
> 
> That's the end of the last error log, tho it often gets in two more lines, here
> filled in from the current (working) xorg launch on 2.6.35.
> 
> [   118.405] (II) RADEON(0): [DRI2] Setup complete
> [   118.405] (II) RADEON(0): [DRI2]   DRI driver: r600

Whenever the X log file ends abruptly like that, one needs to look at the X
server's stderr output, which should be captured in the kdm/gdm log file.


> I'll have to turn OpenGL effects off in KDE from a working kernel, then reboot
> to the bad kernel to see if it gets any farther without OpenGL immediately
> activated.

It won't, the X log ends before it processes any client requests.

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