Comment 27 for bug 539772

I was not able to get X to core dump, but I found one X crash report in /var/crash. I don't even know if it was caused by the same bug.

I have installed the dbg packages as referred to in https://wiki.ubuntu.com/X/Backtracing. What am I missing?

root@micky:~/report# gdb /usr/bin/X CoreDump
GNU gdb (GDB) 7.1-ubuntu
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law. Type "show copying"
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This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/X...(no debugging symbols found)...done.

warning: core file may not match specified executable file.
[New Thread 2609]
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Core was generated by `/usr/bin/X :0 -br -verbose -auth /var/run/gdm/auth-for-gdm-h2ATvw/database -nol'.
Program terminated with signal 11, Segmentation fault.
#0 0x00498fb6 in ?? ()
(gdb) bt f
#0 0x00498fb6 in ?? ()
No symbol table info available.
#1 0x00000000 in ?? ()
No symbol table info available.
(gdb)