Hi,

...on Mon, Mar 13, 2017 at 11:26:42AM -0400, Jiri B wrote:

 > it seems virtio-scsi is not working correctly in OpenBSD, I gave it
 > a try today and OpenBSD VM was killed with:
 >   2017-03-13T15:29:00.814657Z qemu-kvm: wrong size for virtio-scsi headers
 > on EL7 with qemu-kvm-rhev-2.6.0-28.el7_3.6.x86_64.
 > I found a bug stating it is OpenBSD's fault
 >   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768517

Hrm - I've been running a OpenBSD 6.0-stable VM with a hosting 
provider that seems to be using qemu-kvm for half a year, and 
have yet to run into that problem. I don't have any information 
about their platform except that their SeaBIOS identifies as debian:

 > bios0: vendor SeaBIOS version 
 > "debian/1.7.5-1-0-g506b58d-dirty-20140812_231322-gandalf" date 04/01/2014
 > bios0: QEMU Standard PC (i440FX + PIIX, 1996)
 [..]
 > virtio1 at pci0 dev 4 function 0 "Qumranet Virtio SCSI" rev 0x00
 > vioscsi0 at virtio1: qsize 128
 > scsibus2 at vioscsi0: 255 targets
 > probe(vioscsi0:0:0): Check Condition (error 0) on opcode 0x0
 > sd0 at scsibus2 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.1.> SCSI3 0/direct 
 > fixed
 > sd0: 61440MB, 512 bytes/sector, 125829120 sectors, thin
 > virtio1: msix shared

Maybe it is actually a Linux bug that has been fixed by everyone 
except Red Hat in their undead backports kernel?

Alex.

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