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SubjectRe: 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@gmail.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@desktop ]# 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@oracle.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@oracle.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
>> --
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>
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