Sure,
The problem appears on both systems running with ALTQ and vanilla.
-C
On 02/25/13 12:29, Jack Vogel wrote:
I've not heard of this problem, but I think most users do not use
ALTQ, and we (Intel) do not
test using it. Can it be eliminated from the equation?
Jack
On Mon, Feb 25, 2013 at 10:16 AM, Christopher D. Harrison
<harri...@biostat.wisc.edu <mailto:harri...@biostat.wisc.edu>> wrote:
I recently have been experiencing network "freezes" and network
"lockups" on our Freebsd 9.1 systems which are running zfs and nfs
file servers.
I upgraded from 9.0 to 9.1 about 2 months ago and we have been
having issues with almost bi-monthly. The issue manifests in the
system becomes unresponsive to any/all nfs clients. The system
is not resource bound as our I/O is low to disk and our network is
usually in the 20mbit/40mbit range. We do notice a correlation
between temporary i/o spikes and network freezes but not enough to
send our system in to "lockup" mode for the next 5min. Currently
we have 4 igb nics in 2 aggr's with 8 queue's per nic and our
dev.igb reports:
dev.igb.3.%desc: Intel(R) PRO/1000 Network Connection version - 2.3.4
I am almost certain the problem is with the ibg driver as a friend
is also experiencing the same problem with the same intel igb nic.
He has addressed the issue by restarting the network using netif
on his systems. According to my friend, once the network
interfaces get cleared, everything comes back and starts working
as expected.
I have noticed an issue with the igb driver and I was looking for
thoughts on how to help address this problem.
http://freebsd.1045724.n5.nabble.com/em-igb-if-transmit-drbr-and-ALTQ-td5760338.html
Thoughts/Ideas are greatly appreciated!!!
-C
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