On Fri, 1 Apr 2016, Trond Myklebust wrote: > On Fri, Apr 1, 2016 at 10:57 AM, Benjamin Coddington > <bcodding@xxxxxxxxxx> wrote: > > On Wed, 11 Feb 2015, Christoph Hellwig wrote: > > > >> On Tue, Feb 10, 2015 at 10:43:06AM -0500, J. Bruce Fields wrote: > >> > I finally got around to running xfstests as part of my regular testing > >> > and ran across a reproduceable hang on generic/074: > >> > >> Yes, I reported this about half a year ago. It was caused (or at least > >> unhidden) by commit 2aca5b869ace67a63aab895659e5dc14c33a4d6e ("SUNRPC: > >> Add missing support for RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT"). Reverting > >> that commit fixes the issue for me. > > > > I just ran into this. > > > > Now that we have SO_REUSEPORT, can we get rid of > > RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT? > > They are unrelated. > > If you are hitting this hang, then you have borked server that is > dropping NFSv4 RPC requests. The old behaviour of having the client > break the connection is not actually sanctioned by the NFSv4 protocol. > > Cheers > Trond Ah, thanks for pointing that out. It is a server bug, I think. I'm trying to find out more, and I'll write about it under separate cover. Ben -- 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