From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Wroblewski Subject: Re: Netback vif reference count mismatching in latest 3.11 kernels Date: Thu, 28 Nov 2013 11:32:16 +0100 Message-ID: <52971BB0.7030904@citrix.com> References: <5295FC8D.4080802@citrix.com> <20131127144122.GE12187@zion.uk.xensource.com> <52961C24.6040307@citrix.com> <20131127164608.GG12187@zion.uk.xensource.com> <52962592.1080406@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Vlytn-0007mU-3q for xen-devel@lists.xenproject.org; Thu, 28 Nov 2013 10:32:43 +0000 In-Reply-To: <52962592.1080406@citrix.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: Wei Liu Cc: xen-devel , Paul Durrant , David Vrabel List-Id: xen-devel@lists.xenproject.org On 11/27/2013 06:02 PM, Tomasz Wroblewski wrote: > >> OK, I get what you mean. The separation of vif disconnect and free is >> indeed causing problem. >> >> I think the right fix would be to make things symmetric again. >> >> Does the following *untested* patch work for you? If so I will submit a >> proper patch to netdev. >> > Thanks, indeed your patch works fine after a quick linux hibernate tests. But I will do more comprehensive test tomorrow morning (such as > with windows guests as well, and things like rebooting backend network vm while front stays up) and get back to you with the result, so > probably best to hold off a little :) thanks! > Wei, gave your patch more testing now, as stated, and haven't noticed any trouble.