Re: [Xen-devel] Coredumps and 'crash' utility...

[Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>]

On Wed, 2007-10-03 at 12:20 -0400, Roger Cruz wrote:
> I'm using XenSource 4.0 and have the need to debug the
> XenSource-provided hypervisor's coredump file produce at /proc/vmcore.
> I tried using Anderson's "crash" utility to read that file but I'm
> getting the following error:
> 
> crash ./vmlinuz /dom0/proc/vmcore
[snip]
> crash: /dom0/proc/vmcore: not a supported file format
> 
> 
> I examined the core file and this is what it says its type is.
> 
> #file /dom0/proc/vmcore
> /dom0/proc/vmcore: ELF 64-bit LSB core file AMD x86-64, version 1
> (SYSV), SVR4-style
> 

Just a stab in the dark since I've never used crash but is it possible
that because we use a 64 bit hypervisor and 32 bit kernel/userspace in
domain0 you've ended up with a 32 bit version of crash which cannot read
the 64 bit core file?

Ian.



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