On Mon, Feb 06, 2017 at 09:32:29AM -0800, Peter Steele wrote: > We've been using libvirt based containers under CentOS 7 and everything has > been working fine. One application we run in our containers is ctdb, which > uses SCHED_FIFO (real time) threads. This has been working without problems > until our recent upgrade to CentOS 7.3. For some reason, ctdb is no longer > able to create real time threads, and I've tried a simple program myself > that confirms this. The same program works fine on the hypervisor so I know > the kernel supports real time. Does anyone know what may have changed in > CentOS 7.3 that breaks real time threads in libvirt containers? If I had to guess, perhaps some tunable in cgroups is denying execution time ? Regards, Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://entangle-photo.org -o- http://search.cpan.org/~danberr/ :| _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
