Bug#419986: output of 'ps ax'

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Olaf Till wrote:
> Sorry, I should have thought of that before.
>
> Checked output of 'ps ax' with a background job (ps ax | grep
> '/usr/bin/X ' > lt.out, repeated each second) during the lockup
> (timestamp of file 'lt.out' has been checked):
>
>  4088 tty7     R<s+   3:40 /usr/bin/X vt7 -dpi 100 -nolisten tcp -auth /var/lib/xdm/authdir/authfiles/A:0-sJSBJL
>
> So the server is not sleeping. While not locked up, this line is, e.g.:
>
>  2980 tty7     S<s+   0:01 /usr/bin/X vt7 -dpi 100 -nolisten tcp -auth /var/lib/xdm/authdir/authfiles/A:0-CWZXVL
>   

Attaching a gdb with
    gdb -p $(pidof X)
and looking at the backtrace after hitting ctrl-c a couple times might
help more. But, you will have to do that through ssh from another host.

Brice