From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeremy Fitzhardinge <jeremy@goop.org>
Subject: Re: dom0 crash with unstable
Date: Thu, 01 Oct 2009 14:01:21 -0700
Message-ID: <4AC518A1.8080905@goop.org>
References: <64bddf0e0909301105l18c6a3f6ie59af261b1532fe2@mail.gmail.com>	<4AC3EE07.3010000@goop.org>
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To: "Bryan D. Payne" <bryan@thepaynes.cc>
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On 10/01/09 06:35, Bryan D. Payne wrote:
> (gdb) x/i 0xffffffff819067de
> 0xffffffff819067de <xen_fix_mfn_list+38>:	ud2a
> (gdb) x/i 0xffffffff81906d64
> 0xffffffff81906d64 <xen_ident_map_ISA+128>:	leaveq
> (gdb) x/i 0xffffffff81906166
> 0xffffffff81906166 <xen_start_kernel+1343>:	
>     mov    0xa028b(%rip),%rax        # 0xffffffff819a63f8 <xen_start_info>
>   

It looks like its encountering a pfn (page number) that's greater than
the total number of pages given to the domain. 

Aaah, 36GB memory.  What happens if you configure
CONFIG_XEN_MAX_DOMAIN_MEMORY larger to match, or set dom0_mem to less
than 32GB?

(It shouldn't crash regardless, but it will confirm the diagnosis.)

    J