Date: Wed, 15 Nov 2006 19:08:16 +0200 From: Miroslav Slavkov <miroslav@svishtov.net> To: Jack Vogel <jfvogel@gmail.com> Cc: freebsd-net@freebsd.org Subject: Re: em driver - strange behavior Message-ID: <20061115170816.4753c097@mail.svishtov.net> In-Reply-To: <2a41acea0611150824q29630455wdbeae231e902456e@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
The Card is external Intel Pro/1000 PT Server Adapter on PCI-Express slo= t. =20 =5F=5F=5F=5F=5F =20 From: Jack Vogel [mailto:jfvogel@gmail.com] To: Miroslav Slavkov [mailto:miroslav@svishtov.net] Cc: freebsd-net@freebsd.org Sent: Wed, 15 Nov 2006 18:24:28 +0200 Subject: Re: em driver - strange behavior On 11/15/06, Miroslav Slavkov <miroslav@svishtov.net> wrote: > Hi. > I've posted some test with the latest em driver in the previous thread= "Proposed 6.2 em RELEASE patch"... > It's working fine. > Now i see some strange behavior. Machine is Dual Intel Xeon 5110, wit= h SuperMicro X7-DBE mainboard. It has dual port integrated Intel PRO/10= 00 EB lan card, one Intel 82542 Gigabit Ethernet Controller, and one In= tel PRO/1000 PT. > The problem is the Intel PRO/1000 PT card. All other cards are in use= (in production mode), only this card is down and not used right now, b= ut it's generating more interrupts than any other card. > > em3: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500 > options=3Db<RXCSUM,TXCSUM,VLAN=5FMTU> > ether 00:15:17:0e:10:90 > media: Ethernet autoselect > status: no carrier > > > output from systat -vm (interrupts/irq/interface): > 14235 16: em3 > 6214 18: em0 > 914 19: em1 > 13613 24: em2 > > currently it has around 200Mbit/s total bandwidth on the other cards > > system is: FreeBSD 6.2-PRERELEASE #1: Tue Nov 14 17:24:17 EET 2006 amd= 64 > EM=5FINTR=5FFAST is defined in em driver > no polling > > Any clues=3F Your description is a bit confusing, is this port ON the motherboard=3F If its not in use by the OS but it still shows interrupts I'm suspecting the management hardware maybe=3F Jack =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F= =5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F=5F freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" =20
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20061115170816.4753c097>