From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jan Kiszka Subject: Re: Unsupported delivery mode 7 Date: Wed, 19 Nov 2008 15:28:37 +0100 Message-ID: <49242295.6040505@siemens.com> References: <20081119125429.GH923@arachsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Chris Webb Return-path: Received: from gecko.sbs.de ([194.138.37.40]:22581 "EHLO gecko.sbs.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751929AbYKSO31 (ORCPT ); Wed, 19 Nov 2008 09:29:27 -0500 In-Reply-To: <20081119125429.GH923@arachsys.com> Sender: kvm-owner@vger.kernel.org List-ID: Chris Webb wrote: > We're running kvm-78 in production on Linux 2.6.27 x86_64 on dual quad-core > Opteron 'Barcelona' machines. Our kvm modules are built from the kvm-78 > sources rather than the older version bundled with the kernel, and we're > using the NPT features of the processors. > > For the most part, everything is performing very well and running reliably. > However, occasionally a guest will hang as it starts (or is reset) with a > large number of messages of the form > > Unsupported delivery mode 7 > > in the dmesg. Following this, killing and relaunching the qemu process is > usually sufficient to get a working guest. The reset issue might be fixed in kvm-userspace.git via commit 888cc6aa65369be5f648a27381aa98569755ac61 (http://git.kernel.org/?p=virt/kvm/kvm-userspace.git;a=commitdiff_plain;h=888cc6aa65369be5f648a27381aa98569755ac61). Jan -- Siemens AG, Corporate Technology, CT SE 2 ES-OS Corporate Competence Center Embedded Linux