From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shirley Ma Subject: Re: vhost-net patches Date: Wed, 28 Oct 2009 13:55:31 -0700 Message-ID: <1256763331.8791.2.camel@localhost.localdomain> References: <1256310765.4443.4.camel@localhost.localdomain> <1256315020.4443.12.camel@localhost.localdomain> <20091026200513.GA26623@redhat.com> <1256592889.10142.8.camel@localhost.localdomain> <20091027064302.GB26914@redhat.com> <1256654819.4753.6.camel@localhost.localdomain> <20091027152753.GA4622@redhat.com> <1256661378.6745.2.camel@localhost.localdomain> <20091028153859.GA28926@redhat.com> <1256748337.6433.11.camel@localhost.localdomain> <20091028165302.GB29235@redhat.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Sridhar Samudrala , Shirley Ma , David Stevens , kvm@vger.kernel.org, sri@linux.vnet.ibm.com, mashirle@linux.vnet.ibm.com To: "Michael S. Tsirkin" Return-path: Received: from e2.ny.us.ibm.com ([32.97.182.142]:57570 "EHLO e2.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755604AbZJ1Uz3 (ORCPT ); Wed, 28 Oct 2009 16:55:29 -0400 Received: from d01relay03.pok.ibm.com (d01relay03.pok.ibm.com [9.56.227.235]) by e2.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id n9SKm2wv002060 for ; Wed, 28 Oct 2009 16:48:02 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay03.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n9SKtYiO078646 for ; Wed, 28 Oct 2009 16:55:34 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id n9SGrWrr003332 for ; Wed, 28 Oct 2009 12:53:32 -0400 In-Reply-To: <20091028165302.GB29235@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Hello Michael, When I am testing deferring skb allocation patch, I found this problem. Simply removing and reloading guest virtio_net module would cause guest exit with errors. It is easy to reproduce it: [root@localhost ~]# rmmod virtio_net [root@localhost ~]# modprobe virtio_net vhost_net_init returned -17 Any idea? Thanks Shirley