Bug#643763: dexconf fails due to missing xserver-xorg/config/device/bus_id
On Don, 2011-12-01 at 14:08 +0100, Edward Welbourne wrote:
>
> [...] quarter of an hour ago, I
> tried starting a plain user X session and, in an rxvt, typing "xrandr
> -o left", which shut down that X session hard. This got a crash
> dump:
> <quote src="/var/log/xdm.log.1">
>
> Wed Oct 5 17:50:53 2011 xdm info (pid 6536): sourcing /etc/X11/xdm/Xsetup
> ReopenLogFileNotify handling SIGUSR2
> Thu Dec 1 13:20:30 2011 xdm error (pid 6536): pam_authenticate failure: Authentication failure
> Thu Dec 1 13:20:37 2011 xdm info (pid 6536): sourcing /etc/X11/xdm/Xstartup
> Thu Dec 1 13:20:38 2011 xdm info (pid 24043): executing session /etc/X11/xdm/Xsession
> /usr/bin/X: symbol lookup error: /usr/lib/xorg/modules/drivers/radeon_drv.so: undefined symbol: exaMoveInPixmap
This crash is fixed in the current upstream driver (as of 6.14.1), but
only by disallowing rotation when acceleration is disabled.
> Build Operating System: Linux 2.6.37-trunk-amd64 x86_64 Debian
[...]
> (--) RADEON(0): Chipset: "ATI Radeon HD 5450" (ChipID = 0x68f9)
[...]
> (II) RADEON(0): GPU accel disabled or not working, using shadowfb for KMS
So this is your core problem, and AFAICT it's basically due to the X
radeon driver being too old to properly support your card.
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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