Date: Mon, 24 Jun 2002 09:45:35 -0700 (PDT) From: John Polstra <jdp@polstra.com> To: hackers@freebsd.org Cc: paleph@pacbell.net Subject: Re: Re: bge driver issue Message-ID: <200206241645.g5OGjZH31049@vashon.polstra.com> In-Reply-To: <200206231552.g5NFqS002122@pacbell.net> References: <200206231552.g5NFqS002122@pacbell.net>
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In article <200206231552.g5NFqS002122@pacbell.net>,
<paleph@pacbell.net> wrote:
>
> John.
>
> Thanks for the tip.
>
> I changed ETHER_ALIGN to 0 and the driver started to work.
I'm glad to hear it. Thanks for the report.
> I am not sure about the performance since I seem to get
> only 50 Mbit over a 100 Mbit line. However this is much better
> than the timeout warnings...
On the i386, living with the misalignment is probably the best
solution, unfortunately. The only alternatives I can think of are:
- bcopy the packet up by 2 bytes after reception to align the
payload, or
- disable PCI-X mode on the bus
Both of those would probably be worse.
> Do you need any other experiments done? We're going
> to ship the 2650 back to Dell for other reasons (form factor
> and noise).
Thanks for the offer. I don't know of any other experiments I need
done currently.
I agree with you about the noise. I think I'd rather spend the day
in a room with a swarm of hornets than with the Dell 2650. When I
was working with that machine I wore a pair of industrial-strength
ear-protecting headphones, and my ears were still buzzing at the end
of the day.
John
--
John Polstra
John D. Polstra & Co., Inc. Seattle, Washington USA
"Disappointment is a good sign of basic intelligence." -- Chögyam Trungpa
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