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Date: Mon, 17 Jun 2013 15:02:58 +0200
From: Stefan Hajnoczi <stefanha@gmail.com>
Message-ID: <20130617130258.GH30145@stefanha-thinkpad.redhat.com>
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Subject: Re: [Qemu-devel] [Bug 1191606] [NEW] qemu crashes with iscsi
 initiator (libiscsi) when	using virtio
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To: Klaus Hochlehnert <1191606@bugs.launchpad.net>
Cc: qemu-devel@nongnu.org, ronniesahlberg@gmail.com

On Sun, Jun 16, 2013 at 11:48:27PM -0000, Klaus Hochlehnert wrote:
> Public bug reported:
> 
> I just tested qemu (with kvm) with an iscsi disk using libiscsi.
> 
> I tried to install Ubuntu 12.04 as guest and when it comes to the disk
> configuration during the installation qemu crashes without any notice.
> No log, no dump.
> 
> In the log of the iscsi-target I found this:
> iscsi-scst: ***ERROR***: Connection with initiator iqn.2013-06.de.test:testsrv01 unexpectedly closed!
> 
> qemu version 1.5.0
> libiscsi version 1.9.0
> Host OS: Ubuntu 12.04 with 13.04-Kernel (3.8)
> iSCSI-target: SCST 2.2.x
> 
> qemu command line:
> /usr/bin/kvm ... -drive file=iscsi://192.168.x.x/iqn.2006-10.de.test:test/0,if=virtio,bus=0,unit=0,cache=none,media=disk,aio=native -iscsi initiator-name=iqn.2013-06.de.test:testsrv01,header-digest=CRC32C-NONE ...
> 
> When choosing IDE instead of VIRTIO it doesn't crash when scanning the
> disks...

CCing Ronnie Sahlberg (libiscsi)

Can you run /usr/bin/kvm under gdb and post the backtrace?

Stefan