[Crash-utility] crash failed on vmcore created by kdump at an IA64

[Dave Anderson]

Jay Lan wrote:

>
> >
> > What happens if you apply the attached patch?  (it's against
> > the current 4.0-3.8 version, but should apply)
>
> Failed at different location.
>
> Thanks,
>  - jay
>
> (jackhammer,157) crash vmlinuz-2.6.18-kdump vmcore
>
> crash 4.0-3.5
> Copyright (C) 2002, 2003, 2004, 2005, 2006  Red Hat, Inc.
> Copyright (C) 2004, 2005, 2006  IBM Corporation
> Copyright (C) 1999-2006  Hewlett-Packard Co
> Copyright (C) 2005  Fujitsu Limited
> Copyright (C) 2005  NEC Corporation
> Copyright (C) 1999, 2002  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.
>
> crash(26323): unaligned access to 0x60000000001bf1cc, ip=0x400000000026d0f0
> crash(26323): unaligned access to 0x60000000001bf1d4, ip=0x400000000026d0f0
> crash(26323): unaligned access to 0x60000000001bf1dc, ip=0x400000000026d0f0
> crash(26323): unaligned access to 0x60000000001bf1e4, ip=0x400000000026d0f0
> crash(26323): unaligned access to 0x60000000001bf1ec, ip=0x400000000026d0f0
> GNU gdb 6.1
> Copyright 2004 Free Software Foundation, Inc.
> GDB 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.
> Type "show copying" to see the conditions.
> There is absolutely no warranty for GDB.  Type "show warranty" for details.
> This GDB was configured as "ia64-unknown-linux-gnu"...
>
> crash: invalid structure member offset: zone_zone_mem_map
>        FILE: memory.c  LINE: 11401  FUNCTION: dump_memory_nodes()
>
> [./crash] error trace: => 4000000000231c90
>
>   4000000000231c90: OFFSET_verify+336
>

Ok, so what happens if you comment out these two lines
in memory.c at line 573:

        if (symbol_exists("pgdat_list") && !IS_SPARSEMEM())
                vt->flags |= NODES;

Also, can you do this:

  $ gdb vmlinuz-2.6.18-kdump
  ...
  (gdb) ptype struct pglist_data

Dave

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