FreeBSD 7.0-RELEASE getting terrible throughput using sk0 adapter

[perryh at pluto.rain.com]

> 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.

Alternatively, to avoid involving the provider's tech support,
could the OP get the same effect by building a kernel without USB?