On Sat, Oct 13, 2012 at 04:42:05AM +0000, Myklebust, Trond wrote: > On Fri, 2012-10-12 at 19:56 -0700, Larry McVoy wrote: > > On Sat, Oct 13, 2012 at 02:52:51AM +0000, Myklebust, Trond wrote: > > > On Fri, 2012-10-12 at 19:31 -0700, Larry McVoy wrote: > > > > As I've said, debugging this is going to be hard, it means stopping my > > > > company. We can do one more crash, you guys can tell me what to do, > > > > but that's about it. > > > > > > Do you have a reproducer? > > > > Oh yeah, it happens every time. Run skype on a mac w/ your home dir NFS > > mounted. Skype tries to do some lock operation and the machine panics. > > > > We've done it 4 times in a row to be sure we weren't smoking crack. No > > crack. Just panics. > > OK. I think I can see what is happening. We need to filter the return > values from nlm_lookup_file() when dealing with NLMv1 and NLMv3. > > Can you please try the attached patch? Larry, did you get a chance to test this patch? It seems obviously right anyway, so I'll go ahead and pass it along regardless, but it would be nice to have the confirmation. --b. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html