From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Darrick J. Wong" Subject: Re: qemu_mutex deadlock with -smp 2 Date: Tue, 15 Jan 2008 12:13:40 -0800 Message-ID: <20080115201340.GA7429@tree.beaverton.ibm.com> References: <20080114231331.GD3378@tree.beaverton.ibm.com> <478CCC42.6030402@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: Avi Kivity Return-path: Content-Disposition: inline In-Reply-To: <478CCC42.6030402-atKUWr5tajBWk0Htik3J/w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org On Tue, Jan 15, 2008 at 05:07:46PM +0200, Avi Kivity wrote: > Are you using qcow? If so, this may be the recently-committed smp aio > deadlock fix. See 6bcdef5c1157bd7b526491252d20f8007ff2e9dc. Please try a > fresh qemu-userspace.git. qcow2, actually. qcow + fresh git seems to reduce the deadlocks, but not eliminate them entirely. Converting to raw fixes the problem. --D ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/