Lockup using stock r8169 on 4.8 in gigabit mode during heavy transfer on lan
> -----Original Message-----
> From: email@example.com
> [mailto:firstname.lastname@example.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" <email@example.com> 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.
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