Alpha SMP Beowulf cluster: problems with SMP and ethernet !!

Donald Becker becker at
Thu May 25 18:28:31 PDT 2000

On Thu, 25 May 2000, Stefano Curtarolo wrote:

> We have bought 4 new ES40 with 4 CPUS (667) each.
> I am running debian 2.2 with kernel 2.2.15 or 2.3.99pre9.
> I have istalled everything with a 2.2.15-generic kernel and
> everything works great with a single CPU. The netwotrk adapter is
> a DE600, a clone of eepro100.

I tried eepro100.c v1.10a on our dual 21264 system this evening.
Barring a few problems (compile command and the like), there was no

> Running the diagnostic: "dmesg | less" I have found that the eth0 hangs
> because an interrupt conflict.

The new driver tries to at least pass a little traffic, as it complains
about the IRQ problem.   Although I've never had an IRQ problem on the
Alpha, only the x86, to test this with.

> Same problem with/without DP264 option/ kernel 2.2.15 or 2.3.99pre8 or
> pre9.

Donald Becker				becker at
Scyld Computing Corporation
410 Severn Ave. Suite 210		Annapolis MD 21403

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