On Sun, Jan 18, 2009 at 2:15 AM, Matthias Schuendehuette <m...@snafu.de> wrote:
> Hello,
>
> I operate two FreeBSD-Servers in a Windows- and HP-UX Environment. One is a
> SAMBA-Server as a gateway between the Windows and the Unix world, the other
> is NFS-Server for the HP-UX 11i v1 Workstations. Both are HP ProLiants DL380
> with additional external disks on SmartRAID Controllers.
>
> Since the HP-UX Workstations and their disks are becoming quite old, I
> started to move the home-directories to the FreeBSD Server, wich worked with
> 6.3-RELEASE quite good so far.
>
>
> Brave as I am, I updated the servers to 6.4 RELEASE and since then the users
> on the HP-UX machines with the homedirs on the FreeBSD-Server were locked...
> :-(
>
> I tried to find out what was happening and this are my results:
>
> When a user logs in on a HP-UX machine, his '.profile' file is opened and
> read/executed, but it seems, that it cannot be closed any more. So if the
> last line in the '.profile' is "echo foo bar" you *can* see "foo bar" on the
> screen, but then nothing happens any more, the machine is locked.
>
> I recorded such a session with 'tcpdump' and looked at the dump... the only
> noticeable things are *Bursts* of NLM V4 CANCEL_MSGes on the same
> filehandle. Eg:
>
> "V4 CANCEL_MSG Call FH:0x644201fe svid:xxxx pos:0-0"
>
> This line is repeated 7 times with various values for 'svid'.
>
> I'm no NFS specialist at all, so I cannot tell you more :-/ But I can supply
> the dump (if needed),
> it's 92KB, so the size should not be a problem...
>
> BTW: I tried this with and without kernel support for NFS-Locking - no
> difference. I also tried the new replacement server with FreeBSD
> 7.1-RELEASE: Just the same problems, with and without kernel support.
>
> I hope someone is willing to work on that issue...
>
> As mentioned, a new, non-productive server is available in the moment, so
> tests are easily possible.
>
> TIA
>
> Matthew
What OS and what NFS version are the HP-UX servers running? Have
you checked /var/log/messages on the clients and on the server for
helpful messages?
Thanks,
-Garrett
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