On 11/14/2017 02:31 PM, Patrick O'Callaghan wrote: > On trying to fire up a VM using virt-manager, I get "unable to map > backing store for guest RAM: Permission denied". > > I use hugepages to lock down memory for the VM, which may be relevant > for the error. This worked correctly on F26 just before the upgrade to > F27. I have changed nothing in my VM configuration, nor in the config > file for QEMU. However, temporarily turning off SElinux allows the > startup to proceed, after which I can re-enable SElinux with no ill > effects, i.e. the VM runs correctly. > > A complete relabel of my system (touch /.autolabel and reboot) has made > no difference. Have you checked the AVC reports from selinux? It smells like a bad policy re: hugepages for KVMs. It's difficult to say without the actual AVC denials. ---------------------------------------------------------------------- - Rick Stevens, Systems Engineer, AllDigital ricks@xxxxxxxxxxxxxx - - AIM/Skype: therps2 ICQ: 226437340 Yahoo: origrps2 - - - - "Hello. My PID is Inigo Montoya. You `kill -9'-ed my parent - - process. Prepare to vi." - ---------------------------------------------------------------------- _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
