Re: NFS and kernel 2.6.x

From: Russell King
Date: Sun Apr 18 2004 - 02:57:36 EST

On Sun, Apr 18, 2004 at 02:36:14AM -0400, Chris Friesen wrote:
> Marc Singer wrote:
> > Client is a 200MHz ARM; server is a Linux host running 2.6.3 with the
> > kernel nfs daemon; network is 100Mib. There is nothing else on the
> > network except intermittent broadband traffic. Async is set on the
> > server side.
> Is the ARM that slow? under 2MB/s seems odd to me...but them maybe I'm
> used to faster machines.

It's probably the SMC91c111 ether chip causing all the problem - it's
only able to store about 4 packets before it starts dropping, which
isn't that much on a 100mbit network.

Running with rsize=4096 works wonders with this chip.

Russell King
Linux kernel 2.6 ARM Linux -
maintainer of: 2.6 PCMCIA -
2.6 Serial core
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at