Re: i486 can't keep up with 2.2.12 ?

Stephen Frost (sfrost@ns.snowman.net)
Wed, 13 Oct 1999 18:52:20 -0400 (EDT)


On Wed, 13 Oct 1999, Frank v Waveren wrote:

> On Wed, Oct 13, 1999 at 08:48:01AM -0400, tenthumbs wrote:
> > I have an old i486 machine with a not quite so old Cyrix 5x86 cpu and
> > four IDE drives. (I have unmasked irq's on all drives so that's not an
> > issue.) Using a 2.2.12 kernel and pppd 2.3.9, there are a fairly large
> > number of packet errors. With just virtual consoles (no X) and just one
> > user program (fetchmail) running, ifconfig shows this:
> >
> > ppp0 Link encap:Point-to-Point Protocol
> > UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 Metric:1
> > RX packets:4301 errors:12 dropped:0 overruns:0 frame:12 <---
> > TX packets:4213 errors:0 dropped:0 overruns:0 carrier:0
> > collisions:0 txqueuelen:
> >
> > Over a longer period of 64 minutes, ifconfig reported more frame errors
> > and "netstat -s" showed
> >
> > TcpExt:
> > 105 packets pruned from receive queue because of socket buffer
> > overrun
> >
> > which doesn't seem good.
> >
> >
> > None of this happens with a 2.0.38 kernel and pppd 2.2.0f.
> >
> > I can see that this might be due to a change in the disk code or in the
> > network code or in pppd. Does anyone have any ideas?
> >
> > Thanks.
>
> Have you tried setting the config option Cpu can't handle full bandwith?

My old 386 dx/40 could handle alot more than one puny little ppp
connection.

Stephen

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