On Wednesday, October 12, 2011 22:35:51 David Rientjes wrote: > On Wed, 12 Oct 2011, Hans Schillstrom wrote: > > > Hello, > > I got this when I was testing a VLAN patch i.e. using Dave Millers net-next from today. > > When doing this on a single core i686 I got the warning every time, > > however ifenslave is not hanging it's just a warning > > Have not been testing this on a multicore jet. > > > > There is no warnings with a 3.0.4 kernel. > > > > Is this a known warning ? > > > > ~ # ifenslave bond0 eth1 eth2 > > > > ============================================= > > [ INFO: possible recursive locking detected ] > > 3.1.0-rc9+ #3 > > --------------------------------------------- > > ifenslave/749 is trying to acquire lock: > > (&(&parent->list_lock)->rlock){-.-...}, at: [<c14234a0>] cache_flusharray+0x41/0xdb > > > > but task is already holding lock: > > (&(&parent->list_lock)->rlock){-.-...}, at: [<c14234a0>] cache_flusharray+0x41/0xdb > > > > Hmm, the only candidate that I can see that may have caused this is > 83835b3d9aec ("slab, lockdep: Annotate slab -> rcu -> debug_object -> > slab"). Could you try reverting that patch in your local tree and seeing > if it helps? > That was not our candidate ... i.e. same results Thanks Hans -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>