[libvirt-users] Failed to probe capabilities on libvirt v5.1.0
Michal Privoznik
mprivozn at redhat.com
Fri Apr 12 14:40:01 UTC 2019
On 4/11/19 6:20 PM, Vladik Romanovsky wrote:
> Hi everyone,
>
> Unfortunately, I'm facing an issue with libvirt 5.1.0 when probing capabilities.
>
> Failed to probe capabilities for /usr/bin/qemu-system-x86_64: 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 see that the qmp directory is being created, however, it belongs to
> root instead of qemu:
>
> /var/lib/libvirt/qemu/qmp-U1w6o6:
> 0 drwx------. 2 root root 6 Apr 11 14:46 qmp-U1w6o6
>
> The user and group are set to "qemu" in /etc/libvirt/qemu.conf
Yep, this is a libvirt bug. There's a fix here:
https://www.redhat.com/archives/libvir-list/2019-April/msg00876.html
BTW: are you running libvirt inside a container perhaps? Or without capng?
Michal
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