Adam Jackson wrote:
Dennis Jacobfeuerborn wrote:
Tracked down a testcase using the Xorg changelog but I get a different
backtrace when triggering that bug so this seems to be a different
problem. Unfortunately I also didn't get a core dump and I'm not sure
why. I added the line DAEMON_COREFILE_LIMIT="unlimited" to
/etc/sysconfig/init and changed the line in /etc/profile to "ulimit -S
-c unlimited > /dev/null 2>&1" but after crashing X I now no longer
get a backtrace in the Xorg.log (due to the NoTrapSignal option?) but
I also don't see a core dump in the home directories. What else do I
have to do to get a core dump I can feed to gdb?
IIRC it's something like 'chmod 4755 `which Xorg`' and possibly also run
the server as root, the kernel will try really really hard to not dump
core for suid binaries (rightly so).
I set /proc/sys/fs/suid_dumpable to convince the kernel that I really
really want a dump anyway but it still doesn't work. Anyway I borrowed a
laptop from a friend and have gdb attached to the running Xorg right now
waiting for it to crash (hopefully soon, now there is something I don't say
very often).
Regards,
Dennis
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