Current directory is /usr/local/home/md5i/ GNU gdb (GDB) 7.0-debian Copyright (C) 2009 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". For bug reporting instructions, please see: ... Reading symbols from /usr/local/home/md5i/bar...done. (gdb) start Temporary breakpoint 1 at 0x80483a5: file bar.c, line 2. Starting program: /usr/local/home/md5i/bar (gdb) n (gdb) n (gdb) n (gdb) n (gdb) n (gdb) n (gdb) n (gdb) n The program is not being run. (gdb) start Temporary breakpoint 2 at 0x80483a5: file bar.c, line 2. Starting program: /usr/local/home/md5i/bar Error in re-setting breakpoint 2: Warning: Cannot insert breakpoint -44. Error accessing memory address 0xb7ea56c0: Input/output error. Warning: Cannot insert breakpoint -44. Error accessing memory address 0xb7ea56c0: Input/output error.