Date: Thu, 11 Mar 2010 08:46:20 +0200 From: Ian FREISLICH <ianf@clue.co.za> To: pyunyh@gmail.com Cc: David Christensen <davidch@broadcom.com>, current@freebsd.org Subject: Re: dev.bce.X.com_no_buffers increasing and packet loss Message-ID: <E1NpcA0-000ItK-5J@clue.co.za> In-Reply-To: <20100310195206.GB10657@michelle.cdnetworks.com> References: <20100310195206.GB10657@michelle.cdnetworks.com> <20100305175639.GB14818@michelle.cdnetworks.com> <E1NnVaT-0003Ft-3p@clue.co.za> <E1Nnc4d-0003mB-6e@clue.co.za> <E1Nne0Q-0003uZ-OR@clue.co.za> <E1Noulp-0007Rc-Ro@clue.co.za> <20100309212139.GO1311@michelle.cdnetworks.com> <5D267A3F22FD854F8F48B3D2B52381933AF90EED69@IRVEXCHCCR01.corp.ad.broadcom.com> <20100309214012.GQ1311@michelle.cdnetworks.com> <E1NpHr0-000HWT-It@clue.co.za> <5D267A3F22FD854F8F48B3D2B52381933AF90EF16F@IRVEXCHCCR01.corp.ad.broadcom.com>
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Pyun YongHyeon wrote: > I successfully reproduced the issue with netperf on BCM5709. You > can use UDP frame size 1 to trigger the issue. Now I wish I had paid closer attention ages ago. I actually saw this when I benchmarked the system post purchase, but didn't investigate further. I tested and specified the hardware and that system was forwarding 1MPPS. Then the bean counters got interested in Dell and they bought something entirely different. Thanks very, very much for your interest. This is one of the reasons I love FreeBSD - invariably, the right people are available and interested. Ian -- Ian Freislich
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