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Re: [libvirt-users] Cannot create PID file



Thanks for the response Michal.

Indeed, I have set that up already but the PID error was shown anyways.

I unfortunately ceased using Libvirt and gone directly with qemu, until I found out what happens.


On Apr 6 2019, at 3:17 am, Michal Prívozník <mprivozn redhat com> wrote:
On 4/4/19 6:22 PM, Nicolás Iglesias wrote:
Hi Fellow users

I've just compiled latest libvirt and qemu, both from their respective official repositories.
Libvirtd starts perfect, but when I try to start a domain using the virsh console, I get the following:

virsh # start --domain win8.1
error: Failed to start domain win8.1
error: internal error: Failed to start QEMU binary /usr/bin/qemu-system-x86_64 for probing: qemu-system-x86_64: cannot create PID file: Cannot open pid file: Permission denied

I'm not sure where to look at. Any hint would be much appreciated.

Hi,

when probing for capabilities libvirt starts qemu with:

-pidfile $libDir/qmp-XXXXX/qmp.pid

where $libDir points to /var/lib/libvirt/qemu for system wide daemon and
$XDG_CACHE_HOME/.cache/qemu/lib/ for session daemon. qemu process is run
under user:group configured from corresponding qemu.conf
(/etc/libvirt/qemu.conf for system daemon). The defaults are distro
specific.

Hope this gives you some hint. Although, libvirt should relabel its
internal paths on daemon startup, so this smells like a bug.

Michal
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