Date: Thu, 16 Aug 2007 13:52:37 -0700 From: "David Christensen" <davidch@broadcom.com> To: "KAWAGUTI Ginga" <ginga-freebsd@ginganet.org>, freebsd-net@freebsd.org Subject: RE: Some Broadcom GbE NIC(bge driver) suffers packet loss at receiving Message-ID: <09BFF2FA5EAB4A45B6655E151BBDD90304C34AED@NT-IRVA-0750.brcm.ad.broadcom.com> In-Reply-To: <20070816092418.GH6523@ginganet.org> References: <20070816092418.GH6523@ginganet.org>
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> Some revision of Broadcom GbE NIC with bge driver=20 > seems to loss 1 packet per 1000 packet at receiving on some occasion.=20 > Sending doesn't have this problem(receiving only). >=20 > This loss doesn't always happen,=20 > but when happens, it seems that loss is exactly 1 per 1000,=20 > as the last 3 digits of lost packets' sequence number are all same. > (i.e. example of lost packet seq-No. are: =20 > 3284, 4284, 5284, 8284, 9284, ...) >=20 The NIC maintains internal statistics which might give a clue to the cause of the packet loss. The latest bge driver in -CURRENT includes a number of "sysctl" nodes to bring out those statistics. Can you get that info? Dave
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