On Sat, 11 Jan 2003, Mikael Abrahamsson wrote: > Could this be an interrupt handling problem so I might be better off using > "noapic", or even an SMP issue so I would be better off actually only > using one cpu (they're both 1.13GHz pIII:s with 512 kb cache). I tried "noapic" and this brings up the dual transfer bandwidth to approx 40-50 megabyte/s from the previous 15-20 megabyte/s. There is definately something problematic with SMP and interrupt handling in the kernel I'm running. -- Mikael Abrahamsson email: swmike@swm.pp.se - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html