From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harry Butterworth Subject: Re: blocking Xen 3.X production use: soft lockup bugs Date: Sat, 05 Aug 2006 12:59:23 +0100 Message-ID: <1154779163.10345.6.camel@localhost.localdomain> References: Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Keir Fraser Cc: Ian Pratt , xen-devel , Steve Traugott List-Id: xen-devel@lists.xenproject.org Another data point: Yesterday I was working with an unstable changeset from the morning (I think about halfway through the qemu patches) and running HVM xm-test to try to debug the create-concurrent failures. qemu_dm was taking 100% of one core and I got about 6 soft lockups in dom0 and 2 dom0 hangs. I'm not sure exactly why HVM testing is all over the floor for me, maybe I picked a bad changeset or perhaps the recent ubuntu updates have broken something. It's possible that there are still some lurking soft lockup issues anyway. Harry.