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Date: Mon, 29 Jun 2009 17:12:37 +1000 From: db <db.pub.mail@...il.com> To: Chuck Lever <chuck.lever@...cle.com> Cc: Frans Pop <elendil@...net.nl>, Netdev <netdev@...r.kernel.org>, Linux Kernel <linux-kernel@...r.kernel.org>, Trond Myklebust <Trond.Myklebust@...app.com>, Linux NFS mailing list <linux-nfs@...r.kernel.org> Subject: Re: svc: failed to register lockdv1 RPC service (errno 97). Sorry a correction i am using nfs3 (according to network dumps). + AND the issue appears to exist in the 2.6.30 kernel on my e100 network card after i transfer a large amount of data. ** 2009/6/29 db <db.pub.mail@...il.com>: > I'm running arm 2.6.30 kernel and a 2.6.30 kernel on my desktop. > > I see this "[1257016.190000] nfsd: last server has exited, flushing > export cache > [1257018.250000] svc: failed to register lockdv1 RPC service (errno 97). > ." > On both ends. The arm is running debian lenny (armel). The desktop is > debian lenny (32bit i368). When this error i cannot continue to > transfer files. > > Here is the config of the /etc/exports and what i try to use > > "/media/nfs_shares/rsync/ *(rw,no_subtree_check)" > i mount on the desktop with > > [root@...ktop ]# mount 192.168.1.12:/media/Y/W/ /media/mount_point/ -o soft > > and i try using rsync like this (from my desktop). > > > rsync -av --progress /home/User_NAME/BACKUP/Y/W/X/ /media/mount_point/W/X > and it just hangs. I then try to unmount it and i have problems doing > so. so i need to force the umount > > "19051.391800] Performance counters on > [319051.391804] input device check on > [319051.391807] Actions configured > [399843.223405] RPC: Registered udp transport module. > [399843.223413] RPC: Registered tcp transport module. > [399843.346956] svc: failed to register lockdv1 RPC service (errno 97). > [401465.708049] device eth1 left promiscuous mode > [401689.794716] svc: failed to register lockdv1 RPC service (errno 97). > [402224.640535] svc: failed to register lockdv1 RPC service (errno 97). > [402356.791524] svc: failed to register lockdv1 RPC service (errno 97). > [402702.197491] svc: failed to register lockdv1 RPC service (errno 97). > " > I am only using nfs2. I am not using nfs4 / nfs3. > > This issue is most troublesome as it breaks my use of nfs. > > > > 2009/5/12 Chuck Lever <chuck.lever@...cle.com>: >> On May 11, 2009, at 10:39 AM, Frans Pop wrote: >>> >>> On Monday 11 May 2009, you wrote: >>>> >>>> On May 10, 2009, at 8:48 PM, Frans Pop wrote: >>>>> >>>>> After switching from 2.6.29.2 to 2.6.30-rc5 I get this new message >>>>> during boot of my home server: >>>>> svc: failed to register lockdv1 RPC service (errno 97). >>>> >>>> Is this the only instance of this message, or do you see it several >>>> times? >>> >>> It's the only one. >>> >>>>> This looks to be the result of the following commit: >>>>> commit 363f724cdd3d2ae554e261be995abdeb15f7bdd9 >>>>> Author: Chuck Lever <chuck.lever@...cle.com> >>>>> SUNRPC: rpcb_register() should handle errors silently >>>>> Move error reporting for RPC registration to rpcb_register's >>>>> caller. >>>>> >>>>> Question is: do I really want to know this? I assume the "failure" >>>>> happened with previous kernels too, but silently. >>>> >>>> The point of that commit was to report errors _less_ frequently. >>> >>> :-) >>> >>>> The server-side RPC code is attempting to be more automatic about >>>> which address families are supported by kernel NFS services. This >>>> message tells us that some particular case is not handled yet. I >>>> suspect you weren't seeing this error in the past at all. >>> >>> Correct. Neither this exact error, nor anything remotely similar. >> >> No, I meant that whether or not you saw an error message, the underlying >> condition probably was not occurring before 2.6.30. >> >>>> Can you report more about your server configuration? What >>>> distribution is this? >>> >>> Debian stable (Lenny). >>> nfs-common and nfs-kernel-server (1.1.2) >>> >>> I'm using nfs4. rpc.statd is not running; rpc.mountd and rpc.idmapd are. >> >> The NFS client and server appear to start lockd listeners for NFSv4. They >> probably don't need to. But that's a separate issue. >> >>>> Does user space have portmapper or rpcbind? >>> >>> portmap (6.0) >>> >>>> Are you blacklisting ipv6.ko? >>> >>> No, the server has IPv6 enabled. >>> I'm using NFS mainly from my laptop though, which does not have an IPv6 >>> address for my home network. >>> >>>> What's the output of "rpcinfo" on your server after it has started NFSD? >>> >>> I guess you mean the -p option? >>> >>> $ rpcinfo -p >>> program vers proto port >>> 100000 2 tcp 111 portmapper >>> 100000 2 udp 111 portmapper >>> 100003 2 udp 2049 nfs >>> 100003 3 udp 2049 nfs >>> 100003 4 udp 2049 nfs >>> 100021 1 udp 47955 nlockmgr >>> 100021 3 udp 47955 nlockmgr >>> 100021 4 udp 47955 nlockmgr >>> 100021 1 tcp 41860 nlockmgr >>> 100021 3 tcp 41860 nlockmgr >>> 100021 4 tcp 41860 nlockmgr >>> 100003 2 tcp 2049 nfs >>> 100003 3 tcp 2049 nfs >>> 100003 4 tcp 2049 nfs >>> 100005 1 udp 40032 mountd >>> 100005 1 tcp 40623 mountd >>> 100005 2 udp 40032 mountd >>> 100005 2 tcp 40623 mountd >>> 100005 3 udp 40032 mountd >>> 100005 3 tcp 40623 mountd >>> 391002 2 tcp 792 sgi_fam >> >> In this case, it looks like the message can be treated as a notice. I think >> in general we could safely make that a dprintk, but I'd like to wait a bit >> more to see if we catch any bad behavior. >> >> -- >> Chuck Lever >> chuck[dot]lever[at]oracle[dot]com >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in >> the body of a message to majordomo@...r.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> Please read the FAQ at http://www.tux.org/lkml/ >> > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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