Precisation: patch seems to be in linus tree (for version 3.20) at least since 10 Feb 2015:
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?qt=grep&q =xen-blkback%3A+safely+unmap+grants -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1438677 Title: dom0 kernel panic - xen_blkbk_unmap+0x5c/0x2f0 [xen_blkback] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1438677/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs