evdev devices in xorg.conf

[Peter Hutterer]

On Sat, Apr 30, 2011 at 07:52:42PM +0200, Zoltan Szecsei wrote:
> Kubuntu 11.04 fresh install
> 
> I'm trying to set up a 3-seat multiseat system but for now I have
> installed only 1 VGA card and want to get the correct xorg.conf
> contents before I add the other two seats.
> 
> The system comes up OK, but after a minute or two, the desktop freezes.
> 
> I'd be grateful if someone could pass comment on the attached
> xorg.conf and Xorg.0.log files.
> 
> Thanks in advance,
> Zoltan
> -- 

[...]
 
> [    11.444] (II) No input driver/identifier specified (ignoring)
> [   221.625] (WW) NVIDIA(0): WAIT (2, 6, 0x8000, 0xf7f7ffff, 0x0004fe20)
> [   222.235] [mi] EQ overflowing. The server is probably stuck in an
> infinite loop.

        ^^ I think the server is probably stuck in an infinite loop

> [   222.235]
> Backtrace:
> [   222.235] 0: /usr/bin/X (xorg_backtrace+0x3b) [0x80eab1b]
> [   222.235] 1: /usr/bin/X (mieqEnqueue+0x1ab) [0x80e9cfb]
> [   222.235] 2: /usr/bin/X (xf86PostMotionEventM+0xbf) [0x80c4b5f]
> [   222.235] 3: /usr/lib/xorg/modules/input/evdev_drv.so
> (0x22f000+0x368f) [0x23268f]
> [   222.235] 4: /usr/lib/xorg/modules/input/evdev_drv.so
> (0x22f000+0x54e9) [0x2344e9]
> [   222.235] 5: /usr/lib/xorg/modules/input/evdev_drv.so
> (0x22f000+0x5d4d) [0x234d4d]
> [   222.235] 6: /usr/bin/X (0x8048000+0x6b40f) [0x80b340f]
> [   222.235] 7: /usr/bin/X (0x8048000+0x12ddb6) [0x8175db6]
> [   222.235] 8: (vdso) (__kernel_sigreturn+0x0) [0x5b6400]
> [   228.625] (WW) NVIDIA(0): WAIT (1, 6, 0x8000, 0xf7f7ffff, 0x0004fe20)

looks like the nvidia driver is at fault here. note that this is not an
evdev bug, evdev just exposes it because it tries to enqueue more input
events but the server isn't processing them anymore.
 
Cheers,
  Peter