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From: Roland Dreier <rdreier@cisco.com>
To: Ryan Harper <ryanh@us.ibm.com>
Cc: kvm-devel <kvm@vger.kernel.org>
Subject: Re: Still LSI scsi problems with Windows guest and kvm 82?
Date: Wed, 14 Jan 2009 14:31:26 -0800	[thread overview]
Message-ID: <adar635h64h.fsf@cisco.com> (raw)
In-Reply-To: <20090113231039.GQ13481@us.ibm.com> (Ryan Harper's message of "Tue, 13 Jan 2009 17:10:40 -0600")

 > > 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.

      reply	other threads:[~2009-01-14 22:40 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-01-13 22:43 Still LSI scsi problems with Windows guest and kvm 82? Roland Dreier
2009-01-13 23:10 ` Ryan Harper
2009-01-14 22:31   ` Roland Dreier [this message]

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