From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: HVM restart issue Date: Thu, 12 Mar 2009 15:03:00 +0000 Message-ID: References: <79246.47279.qm@web56102.mail.re3.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <79246.47279.qm@web56102.mail.re3.yahoo.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "bderzhavets@yahoo.com" , "Yang, Xiaowei" , "xen-devel@lists.xensource.com" List-Id: xen-devel@lists.xenproject.org hg pull =ADu K. On 12/03/2009 13:02, "Boris Derzhavets" wrote: > 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. >=20 > Boris. >=20 > --- 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 >>=20 >> That one is there already. >>=20 >> -- Keir >>=20 >> On 12/03/2009 10:56, "Boris >> Derzhavets" >> wrote: >>=20 >>> How long it takes to push changes to >>> http://xenbits.xensource.com/xen-unstable.hg >>>=20 >>> Boris >>>=20 >>> --- 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 >>>>=20 >>>> On 12/03/2009 08:15, "Yang, Xiaowei" >> >>>> wrote: >>>>=20 >>>>> Recently I found HVM restart (destroy + start) is very slowly and >> the >>>>> reason is the change to xen-hotplug-cleanup (see below). >>>>>=20 >>>>> 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. >>>>=20 >>>> I think 19250 has been causing problems for lots of people. I will >> revert it >>>> until a better version is proposed. >>>>=20 >>>> -- Keir >>>>=20 >>>>=20 >>>>=20 >>>> _______________________________________________ >>>> Xen-devel mailing list >>>> Xen-devel@lists.xensource.com >>>> http://lists.xensource.com/xen-devel >>>=20 >>> =20 >>=20 >>=20 >>=20 >> _______________________________________________ >> Xen-devel mailing >> list >> Xen-devel@lists.xensource.com >> http://lists.xensource.com/xen-devel >=20 > =20