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Date: Wed, 10 Dec 2014 17:31:17 +0000
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Message-ID: <20141210173117.GJ2311@work-vm>
References: <20141209183701.GI14440@gandi.net> <20141209185517.GH5272@work-vm>
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Subject: Re: [Qemu-devel] migration from qemu2.1.2 to qemu2.2
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To: William Dauchy <william@gandi.net>
Cc: QEMU Developers <qemu-devel@nongnu.org>

* William Dauchy (william@gandi.net) wrote:
> On Dec10 17:10, Dr. David Alan Gilbert wrote:
> > As previously requested, please show your full command line.
> 
> qemu-system-x86_64 -m 2048 -cpu host -nodefconfig -nodefaults -nographic -readconfig /var/lib/qemu/X/config -pidfile /var/lib/qemu/X/pid -M pc-i440fx-2.1 -serial pty -d unimp,guest_errors -daemonize

OK, and just checking, 2.2->2.2 and 2.1->2.1 works for you?
It's just 2.1->2.2 that's breaking?

> config file:
> 
> [name]
>   guest = "X"
>   process = "X"
> 
> [chardev "compat_monitor0"]
>   backend = "socket"
>   path = "/var/lib/qemu/X/sock"
>   server = "on"
>   wait = "off"
> 
> [device]
>   driver = "virtio-balloon"
> 
> [rtc]
>   base = "utc"
> 
> [mon "compat_monitor0"]
>   mode = "control"
>   chardev = "compat_monitor0"
>   default = "on"
> 
> [device]
>   driver = "virtio-rng-pci"
> 
> [device "scsi0"]
>   driver = "virtio-scsi-pci"
>   hotplug = "on"
> 
> [machine]
>   kernel = "/boot-vm/bzImage-3.12-x86_64"
>   append = "root=/dev/sda console=ttyS0 ro"
>   accel = "kvm"

Hmm, I've never tried using the kernel stuff with migration, but I believe it's
supposed to work; I always just pass a normal device.

> [netdev "vif15196.1"]
>   type = "tap"
>   br = "p43"
>   vhost = "on"
>   vhostforce = "on"
>   ifname = "vif15196.1"
>   downscript = "no"
>   script = "no"
>   queues = "1"
> 
> [device "vif15196.1"]
>   driver = "virtio-net-pci"
>   netdev = "vif15196.1"
>   mac = "00:16:3e:2e:ea:7c"
>   mq = "on"
>   vectors = "3"
> 
> [drive "disk0"]
>   if = "none"
>   id = "disk0"
>   cache = "none"
>   aio = "native"
>   format = "raw"
>   file = "/dev/sda"
> 
> [device "disk0"]
>   driver = "scsi-hd"
>   drive = "disk0"
>   scsi-id = "0"
>   removable = "on"
>   dpofua = "off"
> 
> [drive "swap0"]
>   if = "none"
>   id = "swap0"
>   cache = "none"
>   aio = "native"
>   format = "raw"
>   file = "/dev/sdb"
> 
> [device "swap0"]
>   driver = "scsi-hd"
>   drive = "swap0"
>   scsi-id = "1"
>   removable = "on"
>   dpofua = "off"
> 
> [smp-opts]
>   cpus = "1"
>   sockets = "1"
>   cores = "1"
>   threads = "1"
>   maxcpus = "16"
> 
> -- 
> William


--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK