Hi, > After patching , it still doesn't work. > > HjCloud:/mnt/winimg/crash/2012-10-01-08:11 # crash_new_patch -f /boot/xen-syms-4.1.3_02-0.5.1 /boot/xen-syms-dbg-4.1.3_02-0.5.1 vmcore It is a pity. I am not able to help more without files mentioned above. Could you post them somewhere? Daniel -- Crash-utility mailing list Crash-utility@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/crash-utility