RE: [E1000-devel] Re: strange e1000 interface freeze

[Venkatesan, G. <gan...@in...>]

P=E1draig:

Are all your 'lockup' issues gone if you have your BIOS set RBC=3D2? Are =
there multiple 'lockup' scenarios?

Ganesh.

-----Original Message-----
From: e10...@li... =
[mailto:e10...@li...] On Behalf Of =
P...@dr...
Sent: Wednesday, August 11, 2004 7:51 AM
To: Robert Olsson
Cc: e10...@li...
Subject: [E1000-devel] Re: strange e1000 interface freeze

Robert Olsson wrote:
> P...@dr... writes:
>  > I've been able to reproduce an situation here
>  > where the interface freezes on a platform
>  > where a continuous stream of about 8000 packets
>  > per second are being received. It usually takes
>=20
>  > By lock up I mean that the interface records all packets
>  > as fifo errors, and it receives only 1 interrupt every 2 seconds.
>  > Note the other NAPI interface works fine (at about 7.5K =
interrupts/s).
>=20
>  Weird. We had a problem with a e1000 in one particular PCI-slot were =
the=20
>  NIC was dropping packets no other clues. Decreasing PCI-bus speed =
from 133=20
>  to 100 MHz solved this problem. There are two chip revs. Anvik I and =
II.
>  Anvik I had problems in some architectures from what I understood.

Interesting.
We've noticed the problems on 133MHz but not on 100MHz
We're double checking 100MHz at the moment.
We've noticed the problem with 8086:1010 (rev 01)

Hmm I just noticed that we have the problem on
8086:146[01] (rev 03) (IO apic), but not on rev 04.
I'll check this also.

thanks,
P=E1draig.


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