From mboxrd@z Thu Jan 1 00:00:00 1970 From: Boris Derzhavets Subject: Re: HVM restart issue Date: Thu, 12 Mar 2009 06:02:56 -0700 (PDT) Message-ID: <79246.47279.qm@web56102.mail.re3.yahoo.com> References: Reply-To: bderzhavets@yahoo.com Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0660281767==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Yang, Xiaowei" , "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org --===============0660281767== Content-Type: multipart/alternative; boundary="0-812383946-1236862976=:47279" --0-812383946-1236862976=:47279 Content-Type: text/plain; charset=us-ascii I've just made a fresh clone of "xen unstable" with 19317 changesets. 19314 resolves the issue with hotplug scripts. Please advise, how to add the most recent ,went in, without recreating folder xen-unstable.hg and complete new clone. Boris. --- On Thu, 3/12/09, Keir Fraser wrote: From: Keir Fraser Subject: Re: [Xen-devel] HVM restart issue To: "bderzhavets@yahoo.com" , "Yang, Xiaowei" , "xen-devel@lists.xensource.com" Date: Thursday, March 12, 2009, 7:18 AM That one is there already. -- Keir On 12/03/2009 10:56, "Boris Derzhavets" wrote: > How long it takes to push changes to > http://xenbits.xensource.com/xen-unstable.hg > > Boris > > --- On Thu, 3/12/09, Keir Fraser wrote: >> From: Keir Fraser >> Subject: Re: [Xen-devel] HVM restart issue >> To: "Yang, Xiaowei" , "xen-devel@lists.xensource.com" >> >> Date: Thursday, March 12, 2009, 4:31 AM >> >> On 12/03/2009 08:15, "Yang, Xiaowei" >> 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@lists.xensource.com >> http://lists.xensource.com/xen-devel > > _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --0-812383946-1236862976=:47279 Content-Type: text/html; charset=us-ascii
I've just made a fresh clone of "xen unstable" with 19317 changesets.
19314 resolves the issue with hotplug scripts.
Please advise, how to add the most recent ,went in, without recreating
folder xen-unstable.hg and complete new clone.

Boris.

--- On Thu, 3/12/09, Keir Fraser <keir.fraser@eu.citrix.com> wrote:
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: [Xen-devel] HVM restart issue
To: "bderzhavets@yahoo.com" <bderzhavets@yahoo.com>, "Yang, Xiaowei" <xiaowei.yang@intel.com>, "xen-devel@lists.xensource.com" <xen-dev el@lists.xensource.com>
Date: Thursday, March 12, 2009, 7:18 AM

That one is there already.

 -- Keir

On 12/03/2009 10:56, "Boris
 Derzhavets" <bderzhavets@yahoo.com>
wrote:

> 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@eu.citrix.com> wrote:
>> From: Keir Fraser <keir.fraser@eu.citrix.com>
>> Subject: Re: [Xen-devel] HVM restart issue
>> To: "Yang, Xiaowei" <xiaowei.yang@intel.com>,
"xen-devel@lists.xensource.com"
>> <xen-devel@lists.xensource.com>
>> Date: Thursday, March 12, 2009, 4:31 AM
>> 
>> On 12/03/2009 08:15, "Yang, Xiaowei"
<xiaowei.yang@intel.com>
>> wrote:
>> 
>>> Recently I found HVM restart (destroy + start) is very slowly andthe
>>> 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@lists.xensource.com
>> http://lists.xensource.com/xen-devel
> 
>  



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