From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick Colp <pjcolp@cs.ubc.ca>
Subject: Re: xenpaging crashes xen in is_iomem_page()
Date: Mon, 9 Aug 2010 09:30:11 -0400
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To: Olaf Hering <olaf@aepfle.de>
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> after playing a bit more with xenpaging, its not working for me.
>
> Whats your environment?
>
> I have a plain SLES11 SP1 x86_64 installation on a Xeon X5550 box.
> The client is also a plain SLES11 SP1 x86_64.
> Once I boot the client and start xenpaging with 256mb, the client gets
> lots of SIGBUS or SIGSEGV.
> Xen prints 'Iomem mapping not permitted ffffffffff (domain 1)' in
> grant_table.c:__gnttab_map_grant_ref()

Hi Olaf,

Thanks for the info. This sounds like an issue with PV drivers.
Unfortunately I haven't been able to properly vet the PV driver stuff
yet, but I'll try to get on it as soon as I can.


Patrick