From owner-freebsd-questions@FreeBSD.ORG Mon Sep 1 04:20:57 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6E283106567B for ; Mon, 1 Sep 2008 04:20:57 +0000 (UTC) (envelope-from me@davidpolak.com) Received: from smtpout05.prod.mesa1.secureserver.net (smtpout05-04.prod.mesa1.secureserver.net [64.202.165.221]) by mx1.freebsd.org (Postfix) with SMTP id 323F98FC1D for ; Mon, 1 Sep 2008 04:20:57 +0000 (UTC) (envelope-from me@davidpolak.com) Received: (qmail 14470 invoked from network); 1 Sep 2008 04:20:56 -0000 Received: from unknown (24.252.31.225) by smtpout05-04.prod.mesa1.secureserver.net (64.202.165.221) with ESMTP; 01 Sep 2008 04:20:56 -0000 From: "David Polak" To: References: <000001c90b7b$af814f60$0e83ee20$@com> <20080831181932.Q19288@wojtek.tensor.gdynia.pl> <000601c90b8f$c8a18ff0$59e4afd0$@com> <48bb6510.Dn/Wb+UYRWREI0Bb%perryh@pluto.rain.com> In-Reply-To: <48bb6510.Dn/Wb+UYRWREI0Bb%perryh@pluto.rain.com> Date: Sun, 31 Aug 2008 23:20:40 -0500 Message-ID: <000d01c90bea$184afc30$48e0f490$@com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: AckL5cbybRhg9sfrTZeLm9lb5E943QAA34Hg Content-Language: en-us Subject: RE: FreeBSD 7.0-RELEASE getting terrible throughput using sk0 adapter X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Sep 2008 04:20:57 -0000 > > Try disabling usb and firewire in BIOS. You may need to have > > a tech there do it for you. Your box has the sk NIC and usb > > sharing an irq. The NIC driver is MPSAFE but the usb stack is > > still under the GIANT lock. Disable usb and the NIC driver > > should perform better. > > Alternatively, to avoid involving the provider's tech support, > could the OP get the same effect by building a kernel without USB? >From server support live chat: >Steven H. - Server Support: Submit a trouble ticket and we will >look into it further. I'm pretty sure they will not disable usb >since the DC technicians need to boot from USB in some cases. So is there any other way to verify that this is indeed the problem? Perhaps as Perry suggested, building a kernel without usb/firewire, or possibly setting the irq manually so it's not shared?