From mboxrd@z Thu Jan  1 00:00:00 1970
From: Anthony Liguori <anthony@codemonkey.ws>
Subject: Re: [PATCH] Make page_find() return 0 for too-large addresses
Date: Fri, 12 Sep 2008 14:50:33 -0500
Message-ID: <48CAC809.5000901@codemonkey.ws>
References: <20080912185856.GM3982@blackpad>
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Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, gcosta@redhat.com
To: Eduardo Habkost <ehabkost@redhat.com>
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Eduardo Habkost wrote:
> On some cases, such as under KVM, tb_invalidate_phys_page_range()
> may be called for large addresses, when qemu is configured to more than
> 4GB of RAM.
>
> On these cases, qemu was crashing because it was using an index too
> large for l1_map[], that supports only 32-bit addresses when compiling
> without CONFIG_USER_ONLY.
>   

Did you have kqemu enabled in the build?  l1_map should be sufficiently 
large when you have kqemu disabled.

Regards,

Anthony Liguori