Re: i486 can't keep up with 2.2.12 ?
Frank v Waveren (fvw@var.cx)
Wed, 13 Oct 1999 20:00:58 +0200
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?
--
Frank v Waveren
fvw@var.cx
ICQ# 10074100
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