1. Buy new NIC
2. Setting 'mss 512' and 'window 1024'.
Option 2 delays the lockup, but it will still lockup after +100000 TX-DRP
(which does not take long under heavy TCP traffic).
-Paul
On Thu, 28 May 1998 maillists@abacus.terraworld.net wrote:
> Date: Thu, 28 May 1998 10:07:10 -0500 (CDT)
> From: maillists@abacus.terraworld.net
> To: Paul Kanz <pkanz@conix.com>
> Cc: linux-net@vger.rutgers.edu
> Subject: Re: Intel EtherExpress 16 TX issue
>
> I believe I was using a simialar card, and had a similar experience. I
> would have wedge errors display to the consol and eventually the whole
> system would hang. I looked up the wedge error message in the driver
> code and it indicated that there may be some sort of hardware bug in these
> cards. If you have your source tree loaded on your drive you can search
> in the /usr/src/linux/net directory for the proper file I think.
>
> jm
>
> On Sun, 24 May 1998, Paul Kanz wrote:
>
> >
> > I've ran into an issue with an Intel EtherExpress 16 card. When running
> > Webstone on an Apache server (Intel Deskside Xpress SMP, using 2.0.33
> > with aic7xxx patch), the system locks up tight - no keyboard response,
> > non-ping'able, etc. I've noticed that the TX-DRP rate increments with
> > time, then finally locks up after about 1800 dropped transmit packets.
> > I've set the window size to 4096 (with 'route'), and gives about 7100
> > dropped transmit packets. I've only seen this when using Webstone, and
> > happens for both cards. Any suggestions and/or work arounds.
> >
> > Here is the output of the last 'netstat -ainc':
> >
> > (with default window size)
> > Kernel Interface table
> > Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flags
> > lo 3584 0 318 0 0 0 318 0 0 0 BLRU
> > eth0 1500 0 5 0 0 0 133 0 0 0 BRU
> > eth1 1500 0 194710 0 0 0 194848 0 1766 0 BRU
> >
> > (with 4096 window size)
> > Kernel Interface table
> > Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP TX-OVR Flags
> > lo 3584 0 427 0 0 0 427 0 0 0 BLRU
> > eth0 1500 0 179 0 0 0 156 0 0 0 BRU
> > eth1 1500 0 634085 0 0 0 639039 0 7105 0 BRU
> >
> > Thanks,
> > -Paul
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-net" in
> > the body of a message to majordomo@vger.rutgers.edu
> >
>
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Paul Kanz
Conix Consulting
pkanz@conix.com
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