That would indicate the fix is in from v4.15-rc2 -> 4.15 Final. I'll review the commits in that range, but there are probably thousands of them. It will help to narrow it down further. Could you test the 4.15 release candidates on the following page to find the last good kernel and first bad kernel:
http://kernel.ubuntu.com/~kernel-ppa/mainline/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1757565 Title: btrfs and tar sparse truncate archives To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1757565/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
