On Mon, Jan 13, 2020 at 01:42:24AM +0100, Oliver Dzombic wrote: > Hi, > > i am running: > > libvirt-5.6.0-5.fc31.x86_64 > 5.4.8-200.fc31.x86_64 > > > Using: > > <blkiotune> > <device> > <path>/dev/sda1</path> > <read_iops_sec>100</read_iops_sec> > <write_iops_sec>100</write_iops_sec> > <read_bytes_sec>51200000</read_bytes_sec> > <write_bytes_sec>51200000</write_bytes_sec> > </device> > </blkiotune> > > > and receiving > > error: internal error: Unable to parse 'rbps=max wbps=max riops=100 > wiops=max' as an integer > > when i try to start it. > > I found on Redhat Bugzilla a case that claims that its solved by > > Fixed In Version: libvirt-5.6.0-3.el8 > > While i am running 5.6.0-5. These are two different packages based on upstream version 5.6.0. The first one is from RHEL-8 and the one you have installed is from Fedora. Each OS is backporting different patches based on reported bugs so the fact that you have 5.6.0-5.f31 doesn't mean that the RHEL BZ fixed in 5.6.0-3.el8 will be in fedora as well. > Maybe its simply because the cgroup v1 is not correctly mounted: > > # mount | grep cgroup > cgroup2 on /sys/fs/cgroup type cgroup2 > (rw,nosuid,nodev,noexec,relatime,nsdelegate) > > # cat /proc/self/cgroup > 0::/user.slice/user-0.slice/session-1.scope Fedora 31 switched to cgroups v2 where you can hit the issue above. > But i didnt find anything how to activate that properly. > > I would be thankful for any suggestions. Can you please clone the RHEL-8 BZ to Fedora 31? Since you are running on Fedora, you can use virt-preview repository with newer Libvirt and QEMU. <https://copr.fedorainfracloud.org/coprs/g/virtmaint-sig/virt-preview/> Pavel
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