Re: logging out fails in KDE4 (debian testing)

[Γιώργος Πάλλας <gpall@ccf.auth.gr>]

Justin Piszcz wrote:
> On Thu, 1 Oct 2009, ??????? ?????? wrote:
>
> > Justin Piszcz wrote:
> > > > I installed xserver-xorg-video-intel-dbg but I don't know what to do
> > > > now. I reproduced it, and both at dmesg and /var/log/Xorg.log I get
> > > > exactly the same things that I posted earlier. With dbg, should I do
> > > > something different? Where does it write its trace?
> > > >
> > > > Giorgos
> > >
> > > Run ulimit -a and see if you have core files set to 0 or unlimited.
> > >
> > > You want to run gdb against the core and run bt full for a full 
> > > backtrace and include that along with the logs for your report.
> > >
> > > $ gdb application core.Xorg
> > >
> > > gdb> bt full
> > >
> > > Send this & logs in the bug report.
> >
> >
> > ulimit -a gives me:
> > core file size          (blocks, -c) 0
> > data seg size           (kbytes, -d) unlimited
> > scheduling priority             (-e) 0
> > file size               (blocks, -f) unlimited
> > pending signals                 (-i) 16382
> > max locked memory       (kbytes, -l) 64
> > max memory size         (kbytes, -m) unlimited
> > open files                      (-n) 1024
> > pipe size            (512 bytes, -p) 8
> > POSIX message queues     (bytes, -q) 819200
> > real-time priority              (-r) 0
> > stack size              (kbytes, -s) 8192
> > cpu time               (seconds, -t) unlimited
> > max user processes              (-u) unlimited
> > virtual memory          (kbytes, -v) unlimited
> > file locks                      (-x) unlimited
> >
> > Other than that, I do not understand your instructions... For my case 
> > where the 'application' crashing is the Xserver, how will I run gdb 
> > on it?
>
> You need to enable core files.
>
> In a console:
> 1. ulimit -c unlimited
> 2. then reproduce the problem in that console (it should generate a 
> core file)
> 3. find / -type f | grep -i core  (it is normally in the directory 
> where you run the program)
> 4. gdb /usr/bin/Xorg /path/to/core
> 5. bt full
> 6. Send that in a bug report.
>
> Justin.

Sorry to bother you again (maybe this advanced stuff should be left to 
the advanced users but I would like to help with this bug...), but the 
second step troubles me.

This thread goes about the xserver crashing when the user is logging out 
of X. So, how should I do it? How should I start the xserver from a 
console (not in X), so that when it crashes it leaves a core file?

sorry for my ignorance...
G.

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