Return-Path: linux-nfs-owner@vger.kernel.org Received: from mercury.cora.nwra.com ([4.28.99.165]:46072 "EHLO mail.cora.nwra.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751416Ab2LTVwp (ORCPT ); Thu, 20 Dec 2012 16:52:45 -0500 Message-ID: <50D388A9.9060300@cora.nwra.com> Date: Thu, 20 Dec 2012 14:52:41 -0700 From: Orion Poplawski MIME-Version: 1.0 To: "Myklebust, Trond" CC: "linux-nfs@vger.kernel.org" Subject: Re: umount(,MNT_DETACH) for nfsv4 hangs when using sec=krb5 and network is down References: <4FA345DA4F4AE44899BD2B03EEEC2FA91196AE42@SACEXCMBX04-PRD.hq.netapp.com> <50D236A4.6060906@cora.nwra.com> <4FA345DA4F4AE44899BD2B03EEEC2FA91196C146@SACEXCMBX04-PRD.hq.netapp.com> <50D3758D.9060808@cora.nwra.com> <4FA345DA4F4AE44899BD2B03EEEC2FA91196FF19@SACEXCMBX04-PRD.hq.netapp.com> In-Reply-To: <4FA345DA4F4AE44899BD2B03EEEC2FA91196FF19@SACEXCMBX04-PRD.hq.netapp.com> Content-Type: text/plain; charset=UTF-7 Sender: linux-nfs-owner@vger.kernel.org List-ID: On 12/20/2012 01:47 PM, Myklebust, Trond wrote: > On Thu, 2012-12-20 at 13:31 -0700, Orion Poplawski wrote: >> On 12/19/2012 03:19 PM, Myklebust, Trond wrote: >>> >>> Commit eb96d5c97b0825d542e9c4ba5e0a22b519355166 (SUNRPC handle >>> EKEYEXPIRED in call_refreshresult), which will be in 3.8-rc1 when Linus >>> releases it, may help. >>> >> >> FWIW - I cherry picked that into the latest Fedora rawhide kernel but no >> effect. Sounds like a nice patch though, the current hang forever behavior >> doesn't seem the trigger the needed "ah, need a new ticket" response. >> > > So does simply killing the rpc.gssd process help? > Yes, if automount is already stopped (these are automounted directories). If automount is running, it still seems to hang. I think I'm going to need to spend some time talking to Ian. -- Orion Poplawski Technical Manager 303-415-9701 x222 NWRA, Boulder Office FAX: 303-415-9702 3380 Mitchell Lane orion@nwra.com Boulder, CO 80301 http://www.nwra.com