[libvirt] Problem with version 5.5.x

[Martin Kletzander]

[Cc'ing Pavel in case he already has a hunch as to whether it's fixed or not]

Did one of the latest fixes [1] help in any way?

If yes, then it's going to be in the next release.  If not, then in order to
figure out where the issue is, we at least need some debug logs [2].

[1] https://www.redhat.com/archives/libvir-list/2019-July/msg01266.html
[2] https://wiki.libvirt.org/page/DebugLogs

On Sun, Jul 21, 2019 at 06:51:05PM -0400, Raghav Gururajan wrote:
>IN CONTINUATION TO MY PREVIOUS EMAIL IN THIS THREAD:
>
>The virt-manager gives out the following error:
>
>Unable to complete install: 'Unable to read from
>'/sys/fs/cgroup/unified/machine/cgroup.controllers': No such file or
>directory'
>
>Traceback (most recent call last):
>  File "/gnu/store/r2l62bg0ayh22pkgs0jm9ig8q8n7daql-virt-manager-
>2.1.0/share/virt-manager/virtManager/asyncjob.py", line 75, in
>cb_wrapper
>    callback(asyncjob, *args, **kwargs)
>  File "/gnu/store/r2l62bg0ayh22pkgs0jm9ig8q8n7daql-virt-manager-
>2.1.0/share/virt-manager/virtManager/create.py", line 2122, in
>_do_async_install
>    guest.installer_instance.start_install(guest, meter=meter)
>  File "/gnu/store/r2l62bg0ayh22pkgs0jm9ig8q8n7daql-virt-manager-
>2.1.0/share/virt-manager/virtinst/installer.py", line 415, in
>start_install
>    doboot, transient)
>  File "/gnu/store/r2l62bg0ayh22pkgs0jm9ig8q8n7daql-virt-manager-
>2.1.0/share/virt-manager/virtinst/installer.py", line 358, in
>_create_guest
>    domain = self.conn.createXML(install_xml or final_xml, 0)
>  File "/gnu/store/kcdnna2613in9xfm9gxjqvkisdns911v-python-libvirt-
>5.5.0/lib/python3.7/site-packages/libvirt.py", line 3840, in createXML
>    if ret is None:raise libvirtError('virDomainCreateXML() failed',
>conn=self)
>libvirt.libvirtError: Unable to read from
>'/sys/fs/cgroup/unified/machine/cgroup.controllers': No such file or
>directory
>
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