From: Paul Collins Subject: Re: 2.6.31-rc2 soft lockups; traces point at rpc_wake_up, nfs4_run_state_manager, bit_waitqueue Date: Mon, 06 Jul 2009 09:25:07 +1200 Message-ID: <8763e6aklo.fsf@jenny.ondioline.org> References: <87eisv7g5p.fsf@bulky.wgtn.ondioline.org> <20090705081225.GA12783@elte.hu> <1246800661.5937.1.camel@heimdal.trondhjem.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Ingo Molnar , linux-nfs@vger.kernel.org, Andy Adamson , Benny Halevy , linux-kernel@vger.kernel.org To: Trond Myklebust Return-path: In-Reply-To: <1246800661.5937.1.camel@heimdal.trondhjem.org> (Trond Myklebust's message of "Sun, 05 Jul 2009 09:31:01 -0400") Sender: linux-kernel-owner@vger.kernel.org List-ID: Trond Myklebust writes: > On Sun, 2009-07-05 at 10:12 +0200, Ingo Molnar wrote: >> (added more Cc:s) >> >> potential suspects are: >> >> 1f84603: Merge branch 'devel-for-2.6.31' into for-2.6.31 >> 3f09df7: NFS: Ensure we always hold the BKL when dereferencing inode->i_flock >> 965b5d6: NFSv4: Handle more errors when recovering open file and locking state >> 34dc1ad: nfs41: increment_{open,lock}_seqid >> 78722e9: nfs41: only retry EXCHANGE_ID on recoverable errors >> b4b8260: nfs41: get_clid_cred for EXCHANGE_ID >> 90a1661: nfs41: add a get_clid_cred function to nfs4_state_recovery_ops >> 591d71c: nfs41: establish sessions-based clientid >> a7b7210: nfs41: introduce get_state_renewal_cred >> 8e69514f: nfs41: support minorversion 1 for nfs4_check_lease >> c3fad1b: nfs41: add session reset to state manager >> 76db6d95: nfs41: add session setup to the state manager >> c2e713d: nfs41: translate NFS4ERR_MINOR_VERS_MISMATCH to EPROTONOSUPPORT > > Or possibly either rpc.gssd or rpc.idmapd dying. Have you checked to see > if they are up and running correctly? I hadn't checked because my NFS4 setup has been solid for a while now. But I'll give it a lash again. I don't have NFS 4.1 support enabled, which may eliminate some of the commits above from consideration. Paul