[Crash-utility] "invalid structure member" on linux-4.9-rc1

[Steve Wise]

Hi,

I'm trying to use the latest crash via the git repo, on the just 
released linux-4.9-rc1 kernel, and I'm hitting this failure when loading 
the vmcore.  Any ideas?

My crash git HEAD is:

commit 64531dc850f2840cedafa143fe051d2cfeae5247
Author: Dave Anderson <anderson at redhat.com>
Date:   Thu Oct 13 14:32:43 2016 -0400

     crash-7.1.5 -> crash-7.1.6

[root at stevo1 crash]# ./crash /usr/local/src/linux-2.6/vmlinux 
/var/crash/127.0.0.1-2016-10-17-02\:12\:50/vmcore


crash 7.1.6
Copyright (C) 2002-2016  Red Hat, Inc.
Copyright (C) 2004, 2005, 2006, 2010  IBM Corporation
Copyright (C) 1999-2006  Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012  Fujitsu Limited
Copyright (C) 2006, 2007  VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011  NEC Corporation
Copyright (C) 1999, 2002, 2007  Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002  Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions.  Enter "help copying" to see the conditions.
This program has absolutely no warranty.  Enter "help warranty" for details.

GNU gdb (GDB) 7.6
Copyright (C) 2013 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 "x86_64-unknown-linux-gnu"...

crash: cannot determine thread return address
please wait... (gathering task table data)
crash: invalid structure member offset: thread_info_cpu
        FILE: task.c  LINE: 2364  FUNCTION: store_context()

[./crash] error trace: 4caf3c => 4c3010 => 4bbac6 => 51da6d

   51da6d: OFFSET_verify+189
   4bbac6: store_context+1030
   4c3010: refresh_hlist_task_table_v3+2256
   4caf3c: task_init+3724

[root at stevo1 crash]#


Thanks,


Steve.