On Apr 15, 2009, at 9:48 AM, Hans-Peter Jansen wrote:
> Am Mittwoch, 15. April 2009 schrieb Trond Myklebust:
>> On Wed, 2009-04-15 at 12:50 +0200, Hans-Peter Jansen wrote:
>>> Hi,
>>>
>>> I suffer from a problem, where my diskless environment doesn't work
>>> anymore after upgrading the server from openSUSE 11.0 (2.6.25.20) to
>>> openSUSE 11.1 (2.6.27.21).
>>>
>>> The diskless environment gets set up with an customized initrd via
>>> pxelinux. The initrd uses klibc's nfsmount, and I've tried both
>>> protocols: udp and tcp. It's not an iptables issue, since I can
>>> mount
>>> these directories from other (fully booted) systems just fine.
>>>
>>> Using the debug version of klibc's nfsmount prints these messages:
>>> short read: 0 < 28
>>> Port for 100003/3[udp]: 0
>>> short read: 0 < 28
>>> Port for 100005/3[udp]: 0
>>> NFS params:
>>> server = xxx.xx.xx.xx, path = "/roroot", version = 3, proto = udp,
>>> mount_port = 627, nfs_port = 2049, flags = 00010282,
>>
>> ^^^^^^^^^^^^^^^^
>>
>>> rsize = 0, wsize = 0, timeo = 7, retrans = 3,
>>> acreg (min,max) = (3,60), acdir (min,max) = (30,60),
>>> soft = 0, intr = 1, posix = 0, nocto = 0, noac = 0
>>>
>>> tcpdumping the communication shows, that for whatever reason, the
>>> client sends the mount request from source port 798 to destination
>>> port
>>> 627, but the server doesn't listen on 627:
>>
>> The question is why is klibc specifying mount port = 627?
nfs_root_ports() (in fs/nfs/nfsroot.c) sets the default mountd port to
627, I think only if the rpcbind doesn't work.
> Well, this is exactly my problem. That's the mount port, but this
> one cannot
> be set to a manual value, thus the rpc stuff infront of it must have
> gone
> wrong.
>
> [Update]
> Issue solved. It was that silly rpcbind package
> (0.1.6+git20080930-5.2),
> that has gone wrong. Replacing it with portmap
> (6.0+git20070716-31.37) did
> it. Looks like this deserves a new bugzilla record.
When using rpcbind instead of portmapper, what does the output of
"rpcinfo" look like on the server?
--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
Am Mittwoch, 15. April 2009 schrieb Chuck Lever:
>
> When using rpcbind instead of portmapper, what does the output of
> "rpcinfo" look like on the server?
It's dumped in the mail starting this thread.
Thanks,
Pete