WARNING - OLD ARCHIVES

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/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] HVM restart issue

To: "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] HVM restart issue
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Date: Thu, 12 Mar 2009 03:56:27 -0700 (PDT)
Cc:
Delivery-date: Thu, 12 Mar 2009 03:56:54 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1236855387; bh=i0TUn8HCOc+2Tj4P82vN5JmMVOBsWX6U7NVXYcBy/vg=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=c2Xowcju/hWLtg6WkvzIaWI6e5OIBfzpfaw5CzavhS3b07AKjwO9kdPTYEE3nUFRhM3Wcwj6gJi377COu6msKXJTZ19IRFSjQGY40Mc2lsxv9NMTCPzHo1T+j5kmYKBqN37SZavH3lN2Kp/by3PoCpmbhasy17WL6Fe2x2hhepM=
Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Reply-To:Subject:To:In-Reply-To:MIME-Version:Content-Type; b=gWbnRBGwu/B33d4392BmQVTGsAcsvzarc+dS0B+GccVnK+k3+qTW3Yus5v+Fy/Q+146OPyJKbx9IeBts0/xU+qLdYfjEIGf2U/1hjoPmqjiN6QZgbYzmxkYTdNYOoOYKm09vzR0Bmmlgkc0SXs8CJozIrRpPUpHvU0BRTCayXF0=;
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C5DE78DB.4DAD%keir.fraser@xxxxxxxxxxxxx>
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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Reply-to: bderzhavets@xxxxxxxxx
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
How long it takes to push changes to http://xenbits.xensource.com/xen-unstable.hg

Boris

--- On Thu, 3/12/09, Keir Fraser <keir.fraser@xxxxxxxxxxxxx> wrote:
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] HVM restart issue
To: "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Date: Thursday, March 12, 2009, 4:31 AM

On 12/03/2009 08:15, "Yang, Xiaowei" <xiaowei.yang@xxxxxxxxx>
wrote:

> Recently I found HVM restart (destroy + start) is very slowly and the
> reason is the change to xen-hotplug-cleanup (see below).
>
> When HVM is destroyed, backend vbd/vnif drivers will not be notified
> until /local/domain/hvm_id is removed in xenstore. udev event is then
> generated and xen-hotplug-cleanup is called. So the first xenstore-read
> will always fail and leave rest undone and xenstore unclean. Suggestion
> is to move it after backend/frontend removal.

I think 19250 has been causing problems for lots of people. I will revert it
until a better version is proposed.

-- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel
<Prev in Thread] Current Thread [Next in Thread>