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Re: [Qemu-devel] [PATCH] log: Redirect stderr to logfile if deamonized
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH] log: Redirect stderr to logfile if deamonized |
Date: |
Tue, 1 Mar 2016 12:50:18 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.5.0 |
On 01/03/2016 12:15, Gerd Hoffmann wrote:
> On Do, 2016-02-18 at 13:38 +0200, Dimitris Aragiorgis wrote:
>> In case of daemonize, use the logfile passed with the -D option in
>> order to redirect stderr to it instead of /dev/null.
>>
>> Also remove some unused code in log.h.
>
> Patch breaks interaction with libvirt. libvirt hangs on startup, while
> probing qemu capabilities. qemu runs in probing mode (command line is
> "/home/kraxel/projects/qemu/build-default/x86_64-softmmu/qemu-system-x86_64
> -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" according to
> "systemctl status libvirtd -l"), apparently both qemu and libvirt wait for
> each other.
Patch sent, as a workaround use "./configure --enable-trace-backend=nop".
Paolo
Re: [Qemu-devel] [PATCH] log: Redirect stderr to logfile if deamonized,
Paolo Bonzini <=