----- Original Message ----- > > I tried this command. > [root@localhost crash-5.1.2]# crash > /usr/lib/debug/lib/modules/2.6.30.9-96.fc11.i586/vmlinux /var/crash/2011-02-11-16\:32/vmcore > > The Result is: > > GNU gdb (GDB) 7.0 > Copyright (C) 2009 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 "i686-pc-linux-gnu"... > > > crash: invalid kernel virtual address: 66c67d8b type: "possible" > WARNING: cannot read cpu_possible_map > crash: invalid kernel virtual address: 518bc845 type: "present" > WARNING: cannot read cpu_present_map > crash: invalid kernel virtual address: 8b127b33 type: "online" > WARNING: cannot read cpu_online_map > crash: /usr/lib/debug/lib/modules/2.6.30.9-96.fc11.i586/vmlinux and > /var/crash/2011-02-11-16:32/vmcore do not match! > > Usage: > crash [-h [opt]][-v][-s][-i file][-d num] [-S] [mapfile] [namelist] [dumpfile] > > Enter "crash -h" for details. > > > I am currently using kernel version 2.6.35.5, fedora11. If the vmcore file was generated from the 2.6.35.5 kernel, then you are using the wrong vmlinux file -- you need to find the kernel-debuginfo packages for the 2.6.30.9-96.fc11.i586 kernel. Dave -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility