-Original Message-
From: centos-boun...@centos.org
[mailto:centos-boun...@centos.org] On Behalf Of Tim Nelson
Sent: Friday, January 29, 2010 14:05
To: CentOS mailing list
Subject: Re: [CentOS] Lockup using stock r8169 on 4.8 in
gigabit mode during heavy transfer on lan
- Jason Pyeron jpye...@pdinc.us wrote:
I have no output in the logs, but /etc/init.d/network restart fixes
the issue.
I am rsync/scp (10GB) data from one 100MB Full duplex host
to an ASUS
M3A78-EM (RTL8111B/C). It locks up around the 1.5GB Tx mark.
If I ethtool -s eth0 autoneg off speed 100 duplex full it does not
happen again.
Ideas?
Part of the problem is that you mention r8169 kernel module
in your subject but your hardware is RTL8111B. Realtek
drivers are notorious for loading on improper hardware and
appearing to work properly. You need to get the proper driver
for your NIC. I've run into this countless times with the
r8169 driver and non-r8169 Realtek NICs.
Good to know. Thanks.
And, on a side note, Realtek may possibly be the worst NIC
out there, especially for server use. It may link at gigabit
speed, but I bet a trusty old 3Com or Intel Pro 100 will get
better throughput. Install a different NIC as fast as you can
and never look back.
The system was not purchased for 1000MB use, but all of the switches are. We
just took the mobo that was cheapest/fastest to get a non-production up ASAP.
--Tim
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