From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sander Eikelenboom Subject: Re: xl shutdown --wait "racy" Date: Wed, 16 Apr 2014 17:21:57 +0200 Message-ID: <1022190423.20140416172157@eikelenboom.it> References: <415828617.20140416160821@eikelenboom.it> <20140416151934.GA27066@phenom.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140416151934.GA27066@phenom.dumpdata.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: Konrad Rzeszutek Wilk Cc: xen-devel , Ian Jackson , Ian Campbell List-Id: xen-devel@lists.xenproject.org Wednesday, April 16, 2014, 5:19:34 PM, you wrote: > On Wed, Apr 16, 2014 at 04:08:21PM +0200, Sander Eikelenboom wrote: >> Hi Ian (C|J) Konrad, >> >> I'm currently trying to workaround the pci-(detach|assignable-remove) issues i >> reported earlier. >> >> The workaround i thought of was: >> - shutting down the guest >> - starting it without 1 of the original devices passed through >> - use xl pci-assignable-remove and bind the device to the dom0 driver. >> >> But during this i noticed that a "xl shutdown --wait" does wait .. but returns: >> - Before the domain is removed from for instance "xl list", it still listed there in >> "--ps--" state. >> - before pciback has done it's restore config space magic. > Which reminds me - when you do this - are you (or any processes) in the /sysfs directory? > I've been having a hard-time reproducing the issue. Sometimes I see it, but then if I try > again the problem does not show up again. When i do *what* ? (it's not exactly clear if you are referring to the problem i'm trying to workaround .. or the problems i'm finding when trying to workaround :-) ) >> >> So it seems the wait loop is exiting somewhat prematurely, is this expected ? >> >> -- >> Sander >>