From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keir Fraser Subject: Re: Re: Freeze with 2.6.32.19 and xen-4.0.1rc5, acpi problems Date: Mon, 06 Dec 2010 05:04:28 -0800 Message-ID: References: <1291529597950-3292728.post@n5.nabble.com> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1291529597950-3292728.post@n5.nabble.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Mark Brown , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Can you try building and installing the hypervisor (xen.gz) from the tip of http://xenbits.xen.org/staging/xen-4.0-testing.hg ? There is a fix in there to work around an erratum in Intel deep-sleep (C6 state) handling. Caused interrupt acknowledgements to be lost, interrupts thus get blocked, system hangs/pauses, ... -- Keir On 04/12/2010 22:13, "Mark Brown" wrote: > > I am facing similar issues on the Intel DQ45CB board. > > Xen version 4.0.1 (Debian 4.0.1-1) (waldi@debian.org) (gcc version 4.4.5 > 20100824 (prerelease) (Debian 4.4.4-11) ) Fri Sep 3 15:38:12 UTC 2010 > DomU 2.6.32-5-xen-amd64 > > For the HVM I get hangs on the CPU (limited it to one core) if intense IO is > performed. The Problem does not appear to exist in the RAW kernel (without > XEN). > > I could not check the interrupts on the hang (XEN console 'i') it crashes. > > After disabling the HPET in the BIOS I progressed to the current stage - no > hard crashes but prolonged 'hangs' on the SYSTEM - freezes, no ping > response, but comes back after some time. > > Ideas, Suggestions?