debian: X doesn't start anymore

[Nikita V. Youshchenko]

> i installed shr-[dialer|contacts|messages] and after some trying wnet to
> restart X completely, to make sure ophonekitd is started correctly.
>
> turns out, it was a big mistake: X doesn't start anymore.
> no errors, no messages, nothing but
>
> waiting for X server to shut down
>
> i tried different settings in xorg.conf -- nothing.
> i started w/o xorg.conf at all -- nothing, well, except the "normal" log
> below it prints at the end:
>
> ""
> Backtrace:
> 0: /usr/bin/X11/X(xorg_backtrace+0x28) [0xec81c]
>
> Fatal server error:
> Caught signal 11.  Server aborting

Does this happen even if you manually start X server by typing 'X' in ssh 
session?