From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robin Lee Powell Subject: Re: Re: tcpdump locks up kvm host for a while. Date: Fri, 30 Sep 2011 15:19:08 -0700 Message-ID: <20110930221908.GF20043@stodi.digitalkingdom.org> References: <20110928020137.GK21223@stodi.digitalkingdom.org> <20110929190712.GT11528@stodi.digitalkingdom.org> <20110930190321.GA2414@nik-comp.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm@vger.kernel.org To: Nikola Ciprich Return-path: Received: from 173-13-139-236-sfba.hfc.comcastbusiness.net ([173.13.139.236]:33789 "EHLO stodi.digitalkingdom.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753314Ab1I3WTL (ORCPT ); Fri, 30 Sep 2011 18:19:11 -0400 Content-Disposition: inline In-Reply-To: <20110930190321.GA2414@nik-comp.lan> Sender: kvm-owner@vger.kernel.org List-ID: On Fri, Sep 30, 2011 at 09:03:21PM +0200, Nikola Ciprich wrote: > Hello Robin, > > actually I'm stil hitting problems with tcpdump in KVM virtuals.. > what is the content of /sys/devices/system/clocksource/clocksource0/current_clocksource? > I guess it'll be kvm-clock, try using clocksource=tsc or hpet kernel parameter. > does it help? [ 1.911056] Override clocksource tsc is not HRT compatible. Cannot switch while in HRT/NOHZ mode Will hpet do any better? -Robin