From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nick Subject: Re: kvm linux guest hanging for minutes at a time Date: Tue, 09 Aug 2011 16:33:35 +0100 Message-ID: <4E41534F.1010502@letterboxes.org> References: <201108070806.59194.thomas@fjellstrom.ca> <201108090603.18151.thomas@fjellstrom.ca> <4E4129C3.3020200@redhat.com> <201108090831.48423.thomas@fjellstrom.ca> <4E414615.8030201@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: thomas@fjellstrom.ca, "kvm@vger.kernel.org" To: Avi Kivity Return-path: Received: from udon.noodlefactory.co.uk ([80.68.88.167]:41791 "EHLO udon.noodlefactory.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753284Ab1HIQTB (ORCPT ); Tue, 9 Aug 2011 12:19:01 -0400 In-Reply-To: <4E414615.8030201@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Hi, Just joined this list, looking for leads to solve a similar-sounding problem (guest processes hanging for seconds or minutes when host IO load is high). I'll say more in a separate email, but I caught the end of this thread and wanted to ask about kvm-clock. Naively I'd have thought that using the wrong clock would not actually *cause* hangs like this. Or is that what you're implying? Thanks Nick