[root@nova1 2.6.11-rc3-mm2-aio]# gdb ./linux GNU gdb Red Hat Linux (6.0post-0.20040223.19rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"...Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) handle SIGSEGV pass nostop noprint Signal Stop Print Pass to program Description SIGSEGV No No Yes Segmentation fault (gdb) handle SIGUSR1 pass nostop noprint Signal Stop Print Pass to program Description SIGUSR1 No No Yes User defined signal 1 (gdb) break panic Breakpoint 1 at 0x807c15b: file kernel/panic.c, line 68. (gdb) r Starting program: /home/caker/install/uml/2.6.11-rc3-mm2-aio/linux Error while mapping shared library sections: : Success. Error while reading shared library symbols: : No such file or directory. Error while reading shared library symbols: : No such file or directory. Error while reading shared library symbols: : No such file or directory. Checking for /proc/mm...found Detaching after fork from child process 2486. Checking for the skas3 patch in the host...found Checking PROT_EXEC mmap in /tmp...OK Detaching after fork from child process 2487. Detaching after fork from child process 2488. Detaching after fork from child process 2489. Program exited with code 01. (gdb)