From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: xc_gntshr_unmap problems (BUG(s) in xen-gntalloc?) Date: Mon, 1 Sep 2014 11:19:18 +0100 Message-ID: <54044826.1070107@citrix.com> References: <53FF338D.4080500@citrix.com> <540088C2.6040505@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1XOOho-0000yL-Bh for xen-devel@lists.xenproject.org; Mon, 01 Sep 2014 10:19:24 +0000 In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Dave Scott , David Vrabel Cc: "xen-devel@lists.xenproject.org" , Boris Ostrovsky , John Else , Anil Madhavapeddy List-Id: xen-devel@lists.xenproject.org On 29/08/14 22:15, Dave Scott wrote: > Hi, > = > On 29 Aug 2014, at 15:05, David Vrabel wrote: > = >> On 29/08/14 13:40, Dave Scott wrote: >>> Hi, >>> >>> On 28 Aug 2014, at 14:50, David Vrabel wrote: >>> >>>> Does this patch fix the oops? >>> >>> Yes, I=92ve left my test case running for several hours with no sign of= trouble. >> >> Thanks. I'll take that as a >> >> Tested-by: Dave Scott > = > I just realised that my tests weren=92t as clear-cut as I hoped. When > I rebuilt my ubuntu kernel I accidentally got a free upgrade from 3.2 to > 3.13, so what I actually tested was: > = > 3.2: kernel oops triggered easily > 3.13 plus your patch: seems solid > = > I could go back and test 3.13 minus your patch if that would be helpful. Please. I can't seem to easily trigger the race on my test system. How long does it take to fail typically in your case? David