very long response times on Broadcom NetXtreme BCM5704

From: Ingo Freund
Date: Tue Oct 09 2007 - 07:32:13 EST


Since I switched to kernel 2.6.22 my dell 1750 server
with the two onboard BCM5704 network interfaces doesn't
work properly anymore.
TCP requests need more than 30 seconds to be answered
(or to get away) and the application stops with timeouts.
We are talking about two servers connected via Gigabit switch.
The timeouts happen up to ten times a day.
I still couldn't figure out in which special situation the
communication stops.
The only solution ist to boot the old 2.6.21.5 kernel.
With this, all runs fine.
The machines run in a productive environment and there is
not much room (time) to debug, but if needed, I could try
if anyone would need more information for help.

Thanks - Ingo.
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