On Wed, Dec 22, 1999 at 10:18:56PM -0800, Matthew Dillon wrote:
> I'm adding Bill Paul to the list specifically.
>
> Hmm. Now this is odd! I think I may have found something!
>
> All of my 'rl' driver cards fail this test:
>
> apollo# linktest -m 0.1:0.2 -s 16 -f16 lander
> lander# linktest -m 0.1:0.2 -s 16 -f16 apollo
>
> They get about 1% packet loss with the test. Always.
> 100BaseTX full or half duplex, or 10BaseT -- I still get
> failures.
>
I can't repeat this with a RealTek 8039 (that's an 'ed'-NIC) and
a RealTek 8139 (that's the 'rl'-one) running 10BaseT.
Note that I am _NOT_ running -CURRENT on any of these machines,
they both run 2.2-STABLE (rev. 1.17 of rl.c).
The packetloss when using small packets is exactly 0 - that is no
packetloss occured during the minute or so which I was running
linktest.
I just started it again and will leave it running for a couple of
hours, but I doubt that this will make a change.
Whoops, I in fact experienced packet loss now:
overdose(194.94.249.94)->foobar.franken.de lost 1/1606
overdose(194.94.249.94)->foobar.franken.de lost 2/2702
foobar.franken.de->overdose(194.94.249.94) lost 1/3412
overdose(194.94.249.94)->foobar.franken.de lost 3/3829
Note that was playing PCM-files via NFS at this time, so there
was additional network traffic of ~180 KByte/s.
These here now occured although there was no additional network
traffic:
overdose(194.94.249.94)->foobar.franken.de lost 4/5491
overdose(194.94.249.94)->foobar.franken.de lost 5/5692
overdose(194.94.249.94)->foobar.franken.de lost 6/7277
overdose(194.94.249.94)->foobar.franken.de lost 7/8661
overdose(194.94.249.94)->foobar.franken.de lost 8/9412
overdose(194.94.249.94)->foobar.franken.de lost 9/11393
overdose(194.94.249.94)->foobar.franken.de lost 10/13699
foobar.franken.de->overdose(194.94.249.94) lost 2/13728
overdose(194.94.249.94)->foobar.franken.de lost 11/16426
It seems as if this was roughly the same amount of packetloss as
you experienced.
> rl0: <RealTek 8139 10/100BaseTX> irq 11 at device 3.0 on pci0
> rl0: Ethernet address: 00:50:ba:d1:89:05
> miibus0: <MII bus> on rl0
>
> All of my 'fxp' driver cards succeed with the above test perfectly.
> If I test an fxp machine verses an 'rl' machine, linktest shows that
> the 'rl' cards can transmit small packets just fine but they lose
> out trying to receive them!
Nope, it's the other way round for me. overdose has the
'rl'-NIC, foobar has the 'ed'-NIC.
I hope to be able to do a few additional tests soon.
> Methinks there is something going on with the 'rl' driver and/or
> the RealTek cards!
My experience with those cards isn't the best, so I'd place my
bets on the cards.
bye,
Harold
--
<Shabby> Sleep is an abstinence syndrome wich occurs due to lack of caffein.
Wed Mar 4 04:53:33 CET 1998 #unix, ircnet
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