Re: [Qemu-devel] [PATCH] vl: take iothread lock very early

[Paolo Bonzini <pbonzini@redhat.com>]

On 03/03/2015 17:03, Oliver Francke wrote:
> 
> /usr/local/qemu-2.3.0/bin/qemu-system-x86_64 -daemonize -usbdevice
> tablet -enable-kvm -pidfile /var/run/qemu-server/3371.pid -monitor
> unix:/var/run/qemu-server/3371.mon,server,nowait -vnc
> unix:/var/run/qemu-server/3371.vnc,password -qmp
> unix:/var/run/qemu-server/3371.qmp,server,nowait -nodefaults -serial
> none -parallel none -device rtl8139,mac=00:F1:70:00:D2:B0,netdev=vlan0d0
> -netdev
> type=tap,id=vlan0d0,ifname=tap3371i0d0,script=/etc/fcms/add_if.sh,downscript=/etc/fcms/downscript.sh
> -name 1155823384-7 -vga cirrus -k de -smp sockets=1,cores=1 -m 512
> -device virtio-blk-pci,drive=virtio0 -drive
> format=raw,file=rbd:4/vm-3371-disk-1.rbd:rbd_cache=true:rbd_cache_size=16777216:rbd_cache_max_dirty=12582912:rbd_cache_target_dirty=8388608,cache=writeback,if=none,id=virtio0,media=disk,index=0
> -drive
> format=raw,file=rbd:4/vm-3371-swap-1.rbd:rbd_cache=true:rbd_cache_size=16777216:rbd_cache_max_dirty=12582912:rbd_cache_target_dirty=8388608,cache=writeback,if=virtio,media=disk,index=1
> -drive if=ide,media=cdrom,id=ide1-cd0,readonly=on -drive
> if=ide,media=cdrom,id=ide1-cd1,readonly=on -boot order=dc
> 
> Up to the former commit everything works well as expected.

Can you gather a backtrace?

Paolo