> Hi Dave,
 > I attempted to try your suggested commands, but it tends to fail on my
 > machine:
 >
 >
 > libl041:/var/log/dump # crash -s vmlinux.sles10sp2.smp.x86_64
 > 2008-08-08-23\:27/vmcore
 > crash> struct ext3_xattr_search
 > struct: invalid data structure reference: ext3_xattr_search
 > crash> mod -s ext3
 >      MODULE       NAME                   SIZE  OBJECT FILE
 > ffffffff8856a500  ext3                 153360
 > /lib/modules/2.6.16.60-0.21-smp/kernel/fs/ext3/ext3.ko
 > crash> struct ext3_xattr_search
 > struct: invalid data structure reference: ext3_xattr_search
 > crash> struct ext3_xattr_info
 > struct: invalid data structure reference: ext3_xattr_info
 >
 >
 > crash> sys
 >       KERNEL: vmlinux.sles10sp2.smp.x86_64
 >     DUMPFILE: 2008-08-08-23:27/vmcore
 >         CPUS: 4
 >         DATE: Fri Aug  8 23:20:09 2008
 >       UPTIME: 01:31:48
 > LOAD AVERAGE: 2.48, 1.32, 0.56
 >        TASKS: 157
 >     NODENAME: libl041
 >      RELEASE: 2.6.16.60-0.21-smp
 >      VERSION: #1 SMP Tue May 6 12:41:02 UTC 2008
 >      MACHINE: x86_64  (1995 Mhz)
 >       MEMORY: 3.9 GB
 >        PANIC: "Oops: 0000 [1] SMP " (check log for details)
 >
 > crash version: 4.0-4.10   gdb version: 6.1
 >
 > I tried the same after compiling and installing the latest crash version
 > (crash version: 4.0-6.3   gdb version: 6.1) with no difference in
 results.
 >
 > What would you suggest?
 >
 > Thanks
 > Durga
 The first thing to verify is whether those two structures existed
 in the 2.6.16-era timeframe?
 Dave
 
 The 2.6.16.60-021 kernel DO have the said structures. 
Regards