From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: repeatable hang with loop mount and heavy IO in guest Date: Fri, 22 Jan 2010 10:57:47 +0300 Message-ID: <4B595A7B.4010404@msgid.tls.msk.ru> References: <4B588E63.4060700@nagafix.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Antoine Martin Return-path: Received: from isrv.corpit.ru ([81.13.33.159]:42235 "EHLO isrv.corpit.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751147Ab0AVH5t (ORCPT ); Fri, 22 Jan 2010 02:57:49 -0500 In-Reply-To: <4B588E63.4060700@nagafix.co.uk> Sender: kvm-owner@vger.kernel.org List-ID: Antoine Martin wrote: > I've tried various guests, including most recent Fedora12 kernels, > custom 2.6.32.x > All of them hang around the same point (~1GB written) when I do heavy IO > write inside the guest. [] > Host is running: 2.6.31.4 > QEMU PC emulator version 0.10.50 (qemu-kvm-devel-88) Please update to last version and repeat. kvm-88 is ancient and _lots_ of stuff fixed and changed since that time, I doubt anyone here will try to dig into kvm-88 problems. Current kvm is qemu-kvm-0.12.2, released yesterday. /mjt