From: Patrick Colp <pjcolp@cs.ubc.ca>
To: Olaf Hering <olaf@aepfle.de>
Cc: xen-devel@lists.xensource.com
Subject: Re: xenpaging crashes xen in is_iomem_page()
Date: Tue, 27 Jul 2010 14:39:47 -0400 [thread overview]
Message-ID: <AANLkTimBGwJrARF-tm9Zjz7J19DUMc94=o-5jA=s8qRL@mail.gmail.com> (raw)
In-Reply-To: <20100727182518.GA24532@aepfle.de>
On 27 July 2010 14:25, Olaf Hering <olaf@aepfle.de> wrote:
> On Tue, Jul 27, Patrick Colp wrote:
>
>> I pulled the latest version of Xen (revision 21859) and ran it on my
>> EPT box and then ran xenpaging and it's working fine for me.
>
> Good to hear.
>
>> Have you tried paging more than just 1 page? Not sure why that should
>> make a difference, but it's worth trying. Also, do you have any
>> modifications/patches applied to your tree that aren't part of
>> xen-unstable? Is the guest you're attempting to run xenpaging on an
>> HVM guest?
>
> Other values lead to different crashes. I have no more modifications,
> beside the submitted patches to runlevel scripts.
>
> Its not a HVM guest, I will try that right now.
Ah, that would probably be why. Just to clarify, it only works for
64-bit Xen on HVM guests which are using EPT.
> xenpaging has some pitfalls it seems.
The lack of warning when trying to use xenpaging on non-EPT guests is
an issue. I'm currently working on the fix.
Patrick
next prev parent reply other threads:[~2010-07-27 18:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-26 11:58 xenpaging crashes xen in is_iomem_page() Olaf Hering
2010-07-26 13:15 ` Patrick Colp
2010-07-26 14:08 ` Olaf Hering
2010-07-26 14:39 ` Patrick Colp
2010-07-26 14:58 ` Tim Deegan
2010-07-26 15:23 ` Patrick Colp
2010-07-27 15:20 ` Olaf Hering
2010-07-27 15:46 ` Patrick Colp
2010-07-27 18:25 ` Olaf Hering
2010-07-27 18:39 ` Patrick Colp [this message]
2010-07-28 15:26 ` Olaf Hering
2010-07-28 16:22 ` Patrick Colp
2010-08-06 11:16 ` Olaf Hering
2010-08-09 13:30 ` Patrick Colp
2010-08-09 17:39 ` Olaf Hering
2010-08-09 18:23 ` Patrick Colp
2010-08-10 14:19 ` Olaf Hering
2010-08-10 15:02 ` Patrick Colp
2010-08-10 15:06 ` Olaf Hering
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