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
--
Ciao/BSD - Matthias
Matthias Schuendehuette <msch [at] snafu.de>, Berlin (Germany)
