GNU gdb 6.8-debian Copyright (C) 2008 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later 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"... (gdb) handle SIG33 pass mnostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) set pagination 0 handle SIG33 pass nostop noprint set pagination 0 t logging file gdb-gdb.log (gdb) set logging file gdb-gdb.logon Copying output to gdb-gdb.log. (gdb) attach 4239 Attaching to program: /usr/bin/gdb, process 4239 Reading symbols from /lib/libreadline.so.5...done. Loaded symbols for /lib/libreadline.so.5 Reading symbols from /lib/libncurses.so.5...done. Loaded symbols for /lib/libncurses.so.5 Reading symbols from /lib/tls/i686/cmov/libm.so.6...done. Loaded symbols for /lib/tls/i686/cmov/libm.so.6 Reading symbols from /usr/lib/libexpat.so.1...done. Loaded symbols for /usr/lib/libexpat.so.1 Reading symbols from /lib/tls/i686/cmov/libdl.so.2...done. Loaded symbols for /lib/tls/i686/cmov/libdl.so.2 Reading symbols from /lib/tls/i686/cmov/libc.so.6...done. Loaded symbols for /lib/tls/i686/cmov/libc.so.6 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /lib/tls/i686/cmov/libpthread.so.0...done. [Thread debugging using libthread_db enabled] [New Thread 0xb7d7c6b0 (LWP 4239)] Loaded symbols for /lib/tls/i686/cmov/libpthread.so.0 Reading symbols from /lib/tls/i686/cmov/libthread_db.so.1...done. Loaded symbols for /lib/tls/i686/cmov/libthread_db.so.1 Reading symbols from /lib/libthread_db.so.1...done. Loaded symbols for /lib/libthread_db.so.1 0xb7fd1430 in __kernel_vsyscall () (gdb) continue Continuing. Program exited normally. (gdb) backtrace full No stack. (gdb) info registers The program has no registers now. (gdb) thread apply all backtrace No registers. (gdb) quit