Re: PLIP driver in 2.2.xx kernels

From: lnxkrnl@mail.ludost.net
Date: Mon Oct 30 2000 - 11:41:51 EST


On Sat, 28 Oct 2000, Alan Cox wrote:

> > I have a question - Why does the PLIP driver does consume so much CPU ?
> > I tried it today, and when i did ping -s 16000 dst_ip, the kernel consumed
> > about 50% of the CPU time ( /proc/cpuinfo and /proc/interrupts follow).
> > Any ideas ?
>
> It has to bang on the parallel port controller the hard way, there is no
> useful hardware support on a basic parallel port for the kind of abuse needed
> for PLIP
>
(sorry for the late reply)
 I used plip with kernel 1.2.8 and had no problem with it...The machines
that I'm using now are far superior than the old ones... Why shouldn't it
work now ?

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