Re: [Qemu-devel] virtio-scsi vs. virtio-blk

[Stefan Priebe]

starting line:
/usr/bin/qemu-x86_64 -chardev 
socket,id=qmp,path=/var/run/qemu-server/103.qmp,server,nowait -mon 
chardev=qmp,mode=control -pidfile /var/run/qemu-server/103.pid 
-daemonize -usbdevice tablet -name kvmcrash -smp sockets=1,cores=8 
-nodefaults -boot menu=on -vga cirrus -k de -device 
virtio-scsi-pci,id=scsihw0,bus=pci.0,addr=0x5 -drive 
file=iscsi://10.0.255.100/iqn.1986-03.com.sun:02:8a9019a4-4aa3-cd8a-f723-f05db9085ef9/0,if=none,id=drive-scsi1,cache=writethrough,aio=native 
-device 
scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=1,drive=drive-scsi1,id=scsi1 
-drive 
file=iscsi://10.0.255.100/iqn.1986-03.com.sun:02:8a9019a4-4aa3-cd8a-f723-f05db9085ef9/2,if=none,id=drive-virtio0,cache=writethrough,aio=native 
-device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa 
-drive 
file=iscsi://10.0.255.100/iqn.1986-03.com.sun:02:8a9019a4-4aa3-cd8a-f723-f05db9085ef9/1,if=none,id=drive-scsi0,cache=writethrough,aio=native 
-device 
scsi-hd,bus=scsihw0.0,channel=0,scsi-id=0,lun=0,drive=drive-scsi0,id=scsi0,bootindex=102 
-m 4096 -netdev 
type=tap,id=net0,ifname=tap103i0,script=/var/lib/qemu-server/pve-bridge,vhost=on 
-device 
virtio-net-pci,mac=BA:5B:86:AD:14:3A,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300

I've also needed this patch:
https://github.com/stefanha/qemu/commit/d3e3082e6fe63d45cea2d92c41ad148dccf1b63e

otherwise kvm crash while hardware detection of ubuntu / debian.

Greets,
Stefan
Am 09.08.2012 09:19, schrieb Paolo Bonzini:
> Il 09/08/2012 09:07, Stefan Priebe ha scritto:
> > Yes should be possible. guest is Debian or Ubuntu. I couldn't find a
> > tag for V1.1.1 which I ran from source. So where to start bisect?
>
> You can start from the v1.1.0 tag.
>
> Can you give the command line, perhaps it is enough to reproduce?
>
> Paolo
>
> > Stefan
> >
> > Am 09.08.2012 um 09:01 schrieb Paolo Bonzini <address@hidden>:
> >
> > > Il 09/08/2012 08:13, Stefan Priebe ha scritto:
> > > > i really would like to test with actual git. But my VMs run
> > > > awfully SLOW with actual git version. Boot process prints one
> > > > line every two seconds. So i can't test. Is there a patch or
> > > > backport for this problem?
> > >
> > > Hmm, no, I haven't seen it reported either...  How are you running
> > > the VMs?  What guest is in there?
> > >
> > > Also, perhaps you could try bisecting the issue?  I'm going on
> > > holiday next week, but I'm sure other people could help.
> > >
> > > Paolo