netdev - Re: [Bugme-new] [Bug 11752] New: Extremely low netperf UDP

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Message-ID: <wpfxkuo2lr.fsf@heho.snv.jussieu.fr>
Date:	11 Dec 2008 21:53:36 +0100
From:	"Arno J. Klaassen" <arno@...o.snv.jussieu.fr>
To:	Rick Jones <rick.jones2@...com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>, netdev@...r.kernel.org,
	bugme-daemon@...zilla.kernel.org,
	Ayaz Abdulla <aabdulla@...dia.com>
Subject: Re: [Bugme-new] [Bug 11752] New: Extremely low	netperf	UDP_RR	throughput for nvidia MCP65


Hello,

Rick Jones <rick.jones2@...com> writes:

> >>Clearly something is fubar with the rx side (well duh :).  The next
> >>set of stats I'd try to look at would be ethtool stats for the
> >>interface, eg ethtool -S eth0 and see if it shows someting more
> >>specific for the "RX-ERR" shown by netstat -I eth0.
> > OK, here it is (rx_errors_total: 10049, rx_crc_errors: 10049) :
> 
> Well, that seems to confirm that it is CRC errors.

[ .. stuff deleted .. ]

well, just a quick 'knock knock' in case any of you has something
new on this

I can live with 100Mbps, but would be glad to help further to
get it work at 1gbps (pavillon dv6700).
Looks like a silicon bug to me, but alas; please beep me if
I can test something.

Best regards, Arno
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