root@micky:~/report# gdb /usr/bin/X CoreDump
GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
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)
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/Backtraci ng. What am I missing?
root@micky: ~/report# gdb /usr/bin/X CoreDump gnu.org/ licenses/ gpl.html> www.gnu. org/software/ gdb/bugs/>...
GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-linux-gnu".
For bug reporting instructions, please see:
<http://
Reading symbols from /usr/bin/X...(no debugging symbols found)...done.
warning: core file may not match specified executable file. linux.so. 2...(no debugging symbols found)...done. gdm/auth- for-gdm- h2ATvw/ database -nol'.
[New Thread 2609]
Reading symbols from /lib/ld-
Loaded symbols for /lib/ld-linux.so.2
Core was generated by `/usr/bin/X :0 -br -verbose -auth /var/run/
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)