FreeBSD 7.0-RELEASE getting terrible throughput using sk0 adapter

Michael Powell nightrecon at
Mon Sep 1 02:39:51 UTC 2008

David Polak wrote:

>> try setting up speed and duplex options manually
> I have set the duplex to full-duplex and it has increased the speed to
> about 200kb/s on the same file.
> As far as phy support, I guess I really don't know, but the drivers for
> the chipset have been around for a while.

Try disabling usb and firewire in BIOS. You may need to have a tech there do
it for you. Your box has the sk NIC and usb sharing an irq. The NIC driver
is MPSAFE but the usb stack is still under the GIANT lock. Disable usb and
the NIC driver should perform better.


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