Am I not supposed to be able to run crash on a 64-bit host, 
on a vmcore generated on a 32-bit host?

This core was generated on a 32-bit RHEL5:

$ file vmcore-2007-11-26-04-08-14
vmcore-2007-11-26-04-08-14: ELF 64-bit LSB core file Intel 80386, version 1 
(SYSV), SVR4-style

And on my 64-bit RHEL5 I get:

        $ crash /usr/lib/debug/lib/modules/2.6.18-8.1.6.el5PAE/vmlinux 
vmcore-2007-11-26-04-08-14
        crash 4.0-4.6.1
        <snip>
        crash: vmcore-2007-11-26-04-08-14: not a supported file format

And the vmlinux I'm pointing at is the right 32-bit one:

        $ rpm -qf /usr/lib/debug/lib/modules/2.6.18-8.1.6.el5PAE/vmlinux 
--queryformat '%{arch}\n'
        i686


  -jf

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