Date: Fri, 22 Jul 2011 15:20:49 -0400 From: Mike Tancsa <mike@sentex.net> To: "Michael W. Lucas" <mwlucas@blackhelicopters.org> Cc: Eduardo Morras <nec556@retena.com>, questions@freebsd.org Subject: Re: em0 NIC slow on 8.2-p1 amd64? Message-ID: <4E29CD91.4090105@sentex.net> In-Reply-To: <20110722190821.GA55040@bewilderbeast.blackhelicopters.org> References: <20110720160432.GA41775@bewilderbeast.blackhelicopters.org> <4D6348DC01B1E406@> <20110720191640.GA42821@bewilderbeast.blackhelicopters.org> <4D301C9702145855@> <20110721141011.GB47190@bewilderbeast.blackhelicopters.org> <4D7F86D5017EB3D8@> <20110721151210.GA47663@bewilderbeast.blackhelicopters.org> <4D301C9702253683@> <4E29BC1F.6060103@sentex.net> <20110722190821.GA55040@bewilderbeast.blackhelicopters.org>
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On 7/22/2011 3:08 PM, Michael W. Lucas wrote: > > Basically the same. I don't think it's disk. Are you able to saturate the ethernet ? Try something like /usr/src/tools/tools/netrate/netblast/netblast on the local ethernet and see if you can generate and receive a full gigabit on the wire ---Mike > > There's kern/152828 claiming a performance regression with em under > 8.2, but I'm not sure if that is applicable to my system. I'd upgrade > the kernel to test, but I'm not brave enough to downgrade the kernel > to 8.0 for comparison. (I've never had good luck running an old kernel > on a new userland.) > > ==ml > -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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