Hint from upstream. Sounds plausible that this might be the upstream fix: 9c17d96500f78 "xen/gntdev: Grant maps should not be subject to NUMA balancing"
I guess 4.3 started to be more aggressive there since I never saw this before 4.3 and there even on a non-NUMA system. But having a grant-table mapping taken away from the dom0 kernel without xenstored being involved would explain it tripping over that now bad pointer. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to xen in Ubuntu. https://bugs.launchpad.net/bugs/1538049 Title: xenstore crashes with SIGBUS in domain_can_read() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xen/+bug/1538049/+subscriptions -- Ubuntu-server-bugs mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
