From owner-freebsd-stable  Thu Apr 11  5:27:39 2002
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Date: Thu, 11 Apr 2002 16:25:05 +0400 (MSD)
From: yura <yura@monkey.sunet.ru>
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To: stable@freebsd.org
Subject: m_clalloc failed... (network problem)
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Hi hi.

A while back my freebsd4.5-release-p2 has started to give these
errors when working with nfs (client):

Apr 11 11:32:18 flash /kernel: m_clalloc failed, consider increase NMBCLUSTERS value
Apr 11 11:32:18 flash /kernel: fxp0: cluster allocation failed, packet dropped!
Apr 11 11:32:19 flash last message repeated 27 times
Apr 11 11:32:20 flash /kernel: m_clalloc failed, consider increase NMBCLUSTERS value
Apr 11 11:32:20 flash /kernel: fxp0: cluster allocation failed, packet dropped!
Apr 11 11:32:20 flash last message repeated 5 times
[many many of the similar has been skipped]

I mount over nfs and try to copy a large file:
$ sudo mount -t nfs machine:/data/dir /mnt
$ cp /mnt/gone60sec.avi .

When the file grows to about 9.5 megs the fxp0 begins the swear.
If, after a while, the operation continues, it falls into panic.

It never happened on this or any other machines I've seen in our
network.. although mine is the only with R4.5-P2 system, I guess
that might be the problem. I don't know. However, this operation
stops those fxp0 error at once:

$ sudo killall nfsiod

I would appreciate if somebody could give any hints in this
situation!  Thanks in advance.

-- 
Yura Ushakhow <yura@sunet.ru>
Moscow, Russia

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