From owner-freebsd-stable@FreeBSD.ORG Wed Mar 1 16:35:16 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BD46F16A420 for ; Wed, 1 Mar 2006 16:35:16 +0000 (GMT) (envelope-from hk@alogis.com) Received: from alogis.com (firewall.solit-ag.de [212.184.102.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0185143D70 for ; Wed, 1 Mar 2006 16:35:15 +0000 (GMT) (envelope-from hk@alogis.com) Received: from alogis.com (localhost [127.0.0.1]) by alogis.com (8.13.1/8.13.1) with ESMTP id k21GZD9C071549; Wed, 1 Mar 2006 17:35:13 +0100 (CET) (envelope-from hk@alogis.com) Received: (from hk@localhost) by alogis.com (8.13.1/8.13.1/Submit) id k21GZDWw071548; Wed, 1 Mar 2006 17:35:13 +0100 (CET) (envelope-from hk) Date: Wed, 1 Mar 2006 17:35:13 +0100 From: Holger Kipp To: Volker Message-ID: <20060301163513.GB70143@intserv.int1.b.intern> References: <4405BB89.204@vwsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4405BB89.204@vwsoft.com> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org Subject: Re: ppp HDLC errors X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Mar 2006 16:35:16 -0000 On Wed, Mar 01, 2006 at 04:19:37PM +0100, Volker wrote: > Dear list members, > > I'm trying to get a 3g / UMTS connection to work on my RELENG_6 > (i386, AMD Sempron) machine. I've installed a Novatel Merlin U630 > card (pcmcia) which is providing a hayes serial modem to the system > (on sio4 in my case). > > Dialing works fine but most DNS queries are timing out, but also > most tcp sessions won't work. While in ppp (userland) I'm seeing > messages like: I had a similar problem with PCI-800H card. > Later I'm seeing message like that on the console screen: > > sio4: 152599 more interrupt-level buffer overflows (total 152599) Have a look at http://www.freebsd.org/cgi/query-pr.cgi?pr=51982 maybe it is related. You could change sio.c and increase cp4ticks by factor of 10, then recompile your kernel and see if it helps. have you activated rtscts-flowcontrol (see /etc/rc.d/serial) for sio4? > It's a RELENG_6 machine with a recent kernel (compiled yesterday > with kernel sources from Feb-26). > > sio4: unable to activate interrupt in fast mode - using normal mode this might be if sio4 shares its irq with other resources... Regards, Holger Kipp