From owner-freebsd-current@FreeBSD.ORG Thu Dec 20 22:38:12 2007 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7AEC116A418 for ; Thu, 20 Dec 2007 22:38:12 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.155]) by mx1.freebsd.org (Postfix) with ESMTP id 109CE13C457 for ; Thu, 20 Dec 2007 22:38:11 +0000 (UTC) (envelope-from jfvogel@gmail.com) Received: by fg-out-1718.google.com with SMTP id 16so30618fgg.35 for ; Thu, 20 Dec 2007 14:38:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=pdDROk2TZfbVpj2+ysvS7K92MGSmVOD2PSdbo4NLeBo=; b=vQALbQPaUQ01L3VGZ++YUeKU0Eu7Bu8qeZ94mnA7Rb4Thp1zym/2saHOKOzExHINma96VYFgDUkz/NI+tmplXYdVDBOO5g7pEgvf5Pt9SDR5Qt4HsIBvuQu6UUHQrmeg/Zeoc5KacalNvMQ4QBCVB6BGxNdCAaHcbs26e9qdIes= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=d0cMTMIPJzlpCcQsf1xhoc2W+Z+WnK1YaCDZCv95WUM7DAYD63dlnAu7BYxWik4Kq0q0pEh+TYY7JsfM3V8/yLnjW4ZRmeLrJHx+r5A+Xw+x5r5lPl+PMTTDjC8rD1fs0A9MZz9Dj+n/aDVACCJZlJohZET10VMHJMyTnESyBMQ= Received: by 10.86.84.5 with SMTP id h5mr431059fgb.49.1198188751535; Thu, 20 Dec 2007 14:12:31 -0800 (PST) Received: by 10.86.97.10 with HTTP; Thu, 20 Dec 2007 14:12:31 -0800 (PST) Message-ID: <2a41acea0712201412v5dd81917oedf2c9274d859efa@mail.gmail.com> Date: Thu, 20 Dec 2007 14:12:31 -0800 From: "Jack Vogel" To: JoaoBR In-Reply-To: <200712200901.03963.joao@matik.com.br> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <200712200901.03963.joao@matik.com.br> Cc: current@freebsd.org Subject: Re: em drv troubles X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Dec 2007 22:38:12 -0000 On Dec 20, 2007 3:01 AM, JoaoBR wrote: > > I believe the em man page needs a revision, the tunable sections referres to > hw.em. and should be dev.em. > > hw.em.tx_int.delay defaults to 64 according to the man page but my server show > 66 as for other values too: > > dev.em.1.tx_int_delay: 66 > dev.em.1.rx_abs_int_delay: 66 > dev.em.1.tx_abs_int_delay: 66 > > what is correct and how much does it matter? Yes, the man page is way out of date, I will try and get our docs group to make up something soon. > > I get sporadic freezes, sometimes after an hour and sometimes after some days > of uptime, with no log and rare times a panic which then point to em in the > kernel but can not get a core dump, seems the machine freezes before the > panic msg ends > > I run amd64 with opterons and tyan MBs, to check if this has something to do I > could repeat the problem on AM2 X2 MB with Sata disk but same nics and low > traffic (1-2MB/s). > > somebody has an idea here? Build in the debugger and see if you can get a stack trace at least? On vacation a couple weeks, I'll still be lurking but trying to relax :) Jack