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Re: [Qemu-devel] [PATCH v2 3/3] virtio-blk: switch off scsi-passthrough


From: Cornelia Huck
Subject: Re: [Qemu-devel] [PATCH v2 3/3] virtio-blk: switch off scsi-passthrough by default
Date: Mon, 19 Oct 2015 13:53:50 +0200

On Sun, 18 Oct 2015 10:59:59 +0300
"Michael S. Tsirkin" <address@hidden> wrote:

> On Fri, Oct 16, 2015 at 01:07:28PM +0200, Christian Borntraeger wrote:

> > Lets keep this patch as is to have scsi=off as default for virtio 1.0
> > 
> > (some iotests do fail because of this)
> > 
> > Christian
> 
> What fails, exactly?

For example, testcase 068 (on s390x, since we default virtio-1 to on):

--- /data/git/yyy/qemu/tests/qemu-iotests/068.out       2015-03-09 
12:32:35.245444052 +0100
+++ 068.out.bad 2015-10-19 13:48:00.023772655 +0200
@@ -3,9 +3,8 @@
 === Saving and reloading a VM state to/from a qcow2 image ===
 
 Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=131072
+qemu-system-s390x: -hda 
/data/git/yyy/qemu/build/tests/qemu-iotests/scratch/t.qcow2: Please set 
scsi=off for virtio-blk devices in order to use virtio 1.0
 QEMU X.Y.Z monitor - type 'help' for more information
-(qemu) savevm 0
-(qemu) quit
+(qemu) qemu-system-s390x: -hda 
/data/git/yyy/qemu/build/tests/qemu-iotests/scratch/t.qcow2: Please set 
scsi=off for virtio-blk devices in order to use virtio 1.0
 QEMU X.Y.Z monitor - type 'help' for more information
-(qemu) quit
-*** done
+(qemu) *** done




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