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

[Oliver Francke]

First bt try below...

On 03/03/2015 05:51 PM, Paolo Bonzini wrote:
> 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?
(gdb) bt
#0  __GI_exit (status=1) at exit.c:104
#1  0x000055555575cf15 in os_daemonize () at os-posix.c:227
#2  0x0000555555773f2e in main (argc=50, argv=0x7fffffffe0d8, 
envp=0x7fffffffe270) at vl.c:3770

compiled with "--enable-debug" and in gdb "b exit". Not a coder, so if 
this is _not_ sufficient, please give me some adivce ;)

Oliver.

> Paolo


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Oliver Francke

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