From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomasz Chmielewski Subject: Re: strange guest slowness after some time Date: Tue, 17 Mar 2009 17:27:52 +0100 Message-ID: <49BFCF88.6050608@wpkg.org> References: <49B29705.6000904@wpkg.org> <49B4E7A6.3090601@redhat.com> <49B4EDC9.9020504@wpkg.org> <49B4EE8F.7050001@redhat.com> <49BD007C.9030809@wpkg.org> <49BF7FB6.9080503@wpkg.org> <49BF8686.5050707@redhat.com> <49BF88BE.7040805@wpkg.org> <49BFC276.1080600@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: avi@redhat.com, kvm@vger.kernel.org To: Felix Leimbach Return-path: Received: from mx03.syneticon.net ([78.111.66.105]:36325 "EHLO mx03.syneticon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753799AbZCQQ2A (ORCPT ); Tue, 17 Mar 2009 12:28:00 -0400 In-Reply-To: <49BFC276.1080600@gmx.net> Sender: kvm-owner@vger.kernel.org List-ID: Felix Leimbach schrieb: >> Yes, all affected had virtio. Probably because I didn't have many >> guests with e1000 interface. >> >> After a guest gets slow, I stop it and add another interface, e1000. >> >> >> If it gets slow again, I'll check if e1000 interface is slow as well. >> >> Will keep you updated. > I see similar behavior: After a week one of my guests' network totally > stops to respond. Only guests using virtio networking get hit. Both > windows and linux guests are affected. Also, does guest reboot help for you (for me, it doesn't)? Or, you have to halt the guest and start it again (i.e. stop kvm/qemu process and start a new one) to make the network working properly again? -- Tomasz Chmielewski http://wpkg.org