This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
Home Products Support Community News


RE: [Xen-devel] Paravirtualised drivers for fully virtualised domains

To: "Steven Smith" <sos22-xen@xxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Paravirtualised drivers for fully virtualised domains
From: "He, Qing" <qing.he@xxxxxxxxx>
Date: Wed, 2 Aug 2006 18:35:31 +0800
Cc: sos22@xxxxxxxxxxxxx
Delivery-date: Wed, 02 Aug 2006 03:36:35 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Aca2HNUH+XrxEb55TqefCz0yyiVk2wAAjcbQ
Thread-topic: [Xen-devel] Paravirtualised drivers for fully virtualised domains
Thanks Steven, with this patch, the problem's gone.


>-----Original Message-----
>From: Steven Smith [mailto:sos22@xxxxxxxxxxxxxxxx] On Behalf Of Steven Smith
>Sent: 2006年8月2日 18:16
>To: He, Qing
>Cc: Steven Smith; sos22@xxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxx
>Subject: Re: [Xen-devel] Paravirtualised drivers for fully virtualised domains
>> >>   (XEN) 0, This opcode isn't handled yet!
>> >>   (XEN) handle_mmio: failed to decode instruction
>> >>   (XEN) mmio opcode: va 0xf821f600, gpa 0xa9600, len 2: 00 00
>> >>   (XEN) domain_crash_sync called from platform.c:880
>> >This looks like a problem with hvm_copy.  Is this a PAE hypervisor?
>> >
>> Your patch is based on Cset 10735, before applied the patch, I can
>>start and run the image with no problems; but after the patch, this
>>problem can be reproduced every time.
>Sorry, I wasn't trying to shift blame here: the patch I posted
>includes some changes to hvm_copy in the non-PAE case, and I suspect
>that it's those which are causing these problems.  Does the attached
>patch help?
>(Apply it over the top of the ones I posted previously)

Attachment: unoptimise.hvm_copy.diff
Description: unoptimise.hvm_copy.diff

Xen-devel mailing list
<Prev in Thread] Current Thread [Next in Thread>