Hello, I guess you need to load the uncompressed kernel image (vmlinux) instead of the compressed one (vmlinuz).
Best Regards Mayur On Tue, Aug 31, 2010 at 3:35 PM, Tapas Mishra <[email protected]> wrote: > I tried to run gdb on a 32 bit kernel image. > gdb /boot/vmlinuz-2.6.28-11-generic /proc/kcore > > and tried to check loops_per_jiffy via gdb > > gdb vmlinuz-2.6.28-11-generic /proc/kcore > GNU gdb 6.8-debian > Copyright (C) 2008 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"... > "/tmp/vmlinuz-2.6.28-11-generic": not in executable format: File > format not recognized > Core was generated by `root=UUID=1c1bc84c-9ef5-4daa-a630-8fe29b5d12d1 > ro quiet splash'. > [New process 0] > #0 0x00000000 in ?? () > (gdb) whatis loops_per_jiffy > No symbol table is loaded. Use the "file" command. > (gdb) > > > The last line of above message says > "no symbol table is loaded Use the "file" command." > > where as while invoking gdb I had used it. > > > -- > Tapas > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to [email protected] > Please read the FAQ at http://kernelnewbies.org/FAQ > > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [email protected] Please read the FAQ at http://kernelnewbies.org/FAQ
