On Fri, 18 Oct 2013, Josef Bacik wrote: > On Thu, Oct 17, 2013 at 12:56:14PM -0700, Sage Weil wrote: > > Hey, > > > > I'm seeing the deadlock below under a ceph-osd workload. There may be a > > subtle problem with the async transaction sequence (since nobody but ceph > > uses that that I know of), but not obvious to me why > > create_pending_snapshots would get stuck on btrfs_tree_lock... > > > > Can you do sysrq+w when this happens so I can see everybody who's blocked? > Thanks, Oops, forgot to attach the bug link. It's at http://tracker.ceph.com/attachments/download/1035/a http://tracker.ceph.com/issues/6451 The machine is still hung.. if there is additional info I can gather you can ping me on irc. Thanks! sage -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
