It seems, I have found the issue at least for my side. I noticed the following message in the kernel log:
Sep 16 19:14:36 nostromo kernel: [ 8050.077165] audit: type=1400 audit(1505578476.590:111103): apparmor="DENIED" operation="capable" profile="libvirt-ab5c87f8-7085-be26-548e-d9433b84af89" pid=11171 comm ="qemu-system-x86" capability=3 capname="fowner" Further investigation revealed that the update had overwritten my customized /etc/apparmor.d/abstractions/libvirt-qemu. I added the following statements to the file right at the top after capability chown: capability fowner, capability fsetid, That solved all of my access issues. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1559317 Title: [xenial] No write access to VirtFS (9p) in qemu VM run by libvirt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1559317/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
