From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Dreier Subject: Re: Still LSI scsi problems with Windows guest and kvm 82? Date: Wed, 14 Jan 2009 14:31:26 -0800 Message-ID: References: <20090113231039.GQ13481@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: kvm-devel To: Ryan Harper Return-path: Received: from sj-iport-4.cisco.com ([171.68.10.86]:62728 "EHLO sj-iport-4.cisco.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757807AbZANWkz (ORCPT ); Wed, 14 Jan 2009 17:40:55 -0500 In-Reply-To: <20090113231039.GQ13481@us.ibm.com> (Ryan Harper's message of "Tue, 13 Jan 2009 17:10:40 -0600") Sender: kvm-owner@vger.kernel.org List-ID: > > I have a (32-bit) Windows XP guest installed, and if I start kvm-82 > > (from the Debian packages) on a 2.6.29-rc1 kernel (running 64-bit on an > > AMD host), the guest boots but soon dies with messages along the lines > > of: > > > > lsi_scsi: error: Unimplemented message 0x0c > > lsi_scsi: error: Reselect with pending DMA > > scsi-disk: Tag 0x0 already in use > > scsi-disk: Unsupported command length, command f0 > > lsi_scsi: error: Unimplemented message 0x0c > > lsi_scsi: error: Reselect with pending DMA > > scsi-disk: Unsupported command length, command f0 > > lsi_scsi: error: Reselect with pending DMA > > scsi-disk: Bad buffer tag 0x0 > > > > Is this a known problem? > > Can you reproduce with the kvm release rather than debian packages? I've > not seen this string of errors before. Indeed, it appears the Debian package's security/CVE-2007-5730.patch patch causes the failure; the patch seems to be identical to http://cvs.fedora.redhat.com/viewvc/devel/kvm/kvm-62-block-rw-range-check.patch?revision=1.7&view=markup I haven't tried to debug what the issue is yet. - R.