[ltp] Networking Problems with 770X

[Brian R. Toonen]

Just for the record, I have encountered the same problem on both a 600
and a 600E, so I don't think the problem is 770X specific.  Once in a
great while I've seen on the delay packets come with corrupted data as
well.

--brian


> -----Original Message-----
> From: Friedemann Baitinger [mailto:fb@baiti.net]
> Sent: Thursday, October 28, 1999 12:52 PM
> To: linux-thinkpad@www.bm-soft.com
> Subject: Re: [ltp] Networking Problems with 770X
>
>
> I am experiencing similar problems which I have reported on
> this list a
> while ago (you may want to check the mailing list archive for
> reference). I haven't met anybody yet who is successfully
> running an IBM
> EtherJet 10/100 cardbus adapter on a TP-770X. Just today I
> have tried to
> get it going with linux-2.2.13 and pcmcia-3.1.3 and still always the
> same problems. In your ping scenario below, please also look at the
> sequence numbers. You will notice that you receive the replies out of
> sequence (!). It surely is not a SuSE 6.2 specific problem. I
> suspect it
> is somehow tied to the TP-770X. There are folks out there who
> have this
> setup running on 770EDs and 600s.
>
>
> On Thu, 28 Oct 1999 Zlatko.Baumberger@wdr.com wrote:
>
> > Hi,
> >
> > I'am running SuSE 6.2 on a ThinkPad 770X and i am using a
> 3Com 10/100 LAN
> > card (3ccfe575bt).
> >
> > I experienced big problems with programs using the network.
> After a while
> > it looks like the program hangs.
> >
> > Then when I ping to another computer i have following
> pattern of response:
> >
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=5000.000 ms
> > 64 bytes...time=4000.000 ms
> > 64 bytes...time=3000.000 ms
> > 64 bytes...time=2000.000 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > ....
> >
> > When i use another pcmcia-card, the IBM 10/100 Etherjet cardbus the
> > response gets even bader:
> > ....
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=0.400 ms
> > 64 bytes...time=14000.000 ms
> > 64 bytes...time=13000.000 ms
> > ....
> >
> > It looks like most messages take only .4 ms but every 5 to
> 10 seconds
> > messages are delayed.
> >
> > I installed the new pcmcia 3.0.14 from the SuSE-webpage,
> but the problem
> > still exists.
> >
> > Is there possibly somewhere a buffer-overflow in the network/pcmcia
> > drivers?
> >
> > Has anybody an idea?
>
> --
> Friedemann Baitinger       fb@baiti.net      http://baiti.net/fb
>
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