On 02/10/2016 10:23 AM, Christian Borntraeger wrote:
> Paolo,
> 
> 
> commit 41fc57e44ed64cd4ab5393d83624afd897dabd4f
>     trace: split trace_init_file out of trace_init_backends
> 
> causes hangs for libvirt when checking the daemonized process,
> if the qemu was build with trace-backend=simple.
> 
> Also calling
> qemu-system-s390x -machine accel=kvm -S -no-user-config -nodefaults 
> -nographic -M none -qmp 
> unix:/var/lib/libvirt/qemu/capabilities.monitor.sock,server,nowait -pidfile 
> /var/lib/libvirt/qemu/capabilities.pidfile -daemonize
> 
> just hangs
> 
> without "trace-backend=simple"
> things are fine.
> 
> 

Just found a fix on the list.


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