From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [xen-unstable test] 57852: regressions - FAIL Date: Wed, 10 Jun 2015 09:50:13 +0100 Message-ID: <1433926213.30003.2.camel@citrix.com> References: <1433493915.7108.138.camel@citrix.com> <5571814C02000078000812F1@mail.emea.novell.com> <1433495266.7108.145.camel@citrix.com> <5571858C020000780008132E@mail.emea.novell.com> <1433501300.7108.208.camel@citrix.com> <557569610200007800081D4C@mail.emea.novell.com> <1433753590.7108.392.camel@citrix.com> <557579500200007800081DF0@mail.emea.novell.com> <1433755652.7108.405.camel@citrix.com> <1433765763.7108.482.camel@citrix.com> <1433838390.7108.523.camel@citrix.com> <5576CE2602000078000827F6@mail.emea.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Z2bvW-0003YV-Bs for xen-devel@lists.xenproject.org; Wed, 10 Jun 2015 09:04:02 +0000 In-Reply-To: <5576CE2602000078000827F6@mail.emea.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Jan Beulich Cc: Andrew Cooper , ian.jackson@eu.citrix.com, xen-devel List-Id: xen-devel@lists.xenproject.org On Tue, 2015-06-09 at 10:29 +0100, Jan Beulich wrote: > >>> On 09.06.15 at 10:26, wrote: > > On Mon, 2015-06-08 at 13:16 +0100, Ian Campbell wrote: > > > >> The adhoc run passed, but that's not statistically significant. > > > > I ran a bunch more in this no-apicv configuration, the logs are at > > http://logs.test-lab.xenproject.org/osstest/logs/: > > > > Flight Host Failed at > > 58190 fiano0 ts-guest-stop > > 58198 fiano0 ts-guest-stop > > 58203 fiano0 ts-windows-install > > 58208 fiano0 ts-guest-stop > > 58210 fiano1 ts-guest-stop > > 58214 fiano1 ts-guest-stop > > 58217 fiano1 ts-guest-stop > > > > I think that's not sufficient data to draw a conclusion, since there was > > always a small background failure rate. I'm going to run another half > > dozen (3 on each). > > At least the one failure is following the patterns of previous ones > (ping timing out and guest sitting with both of its vCPU-s on HLT, > and the last VM entry having delivered a timer interrupt). Without > knowing _when_ that last timer interrupt got injected and whether > other interrupts are occurring for the guest as necessary, that > again doesn't mean much. 58243 fiano0 ts-guest-stop 58251 fiano0 ts-guest-stop 58258 fiano0 ts-guest-stop 58266 fiano1 ts-guest-stop 58279 fiano1 ts-guest-stop 58282 fiano1 ts-guest-stop > > I'm also going to run some on another pair of hosts without no-apicv. I > > chose elbling[01] since according to > > http://logs.test-lab.xenproject.org/osstest/results/history.test-amd64-amd64 > > -xl-qemuu-win7-amd64.html it has been used a few times on various branches > > and hasn't so far failed a ts-windows-install. It looks to have the same set > > of advanced features as fiano*: > > That's a good idea, thanks. 58244 elbling0 ts-guest-stop 58250 elbling0 ts-guest-stop 58256 elbling0 ts-guest-stop 58261 elbling1 ts-guest-stop 58269 elbling1 ts-guest-stop 58274 elbling1 ts-guest-stop So it is looking awfully like a host specific issue with apicv on fiano*. Ian.