From owner-freebsd-questions@FreeBSD.ORG Thu May 10 13:09:03 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7F32E16A400 for ; Thu, 10 May 2007 13:09:03 +0000 (UTC) (envelope-from iaccounts@ibctech.ca) Received: from pearl.ibctech.ca (pearl.ibctech.ca [208.70.104.210]) by mx1.freebsd.org (Postfix) with ESMTP id 191D813C45E for ; Thu, 10 May 2007 13:09:03 +0000 (UTC) (envelope-from iaccounts@ibctech.ca) Received: (qmail 31905 invoked by uid 1002); 10 May 2007 13:09:02 -0000 Received: from iaccounts@ibctech.ca by pearl.ibctech.ca by uid 89 with qmail-scanner-1.22 (spamassassin: 2.64. Clear:RC:1(208.70.107.100):. Processed in 15.531076 secs); 10 May 2007 13:09:02 -0000 Received: from unknown (HELO ?192.168.1.210?) (steve@ibctech.ca@208.70.107.100) by pearl.ibctech.ca with (DHE-RSA-AES256-SHA encrypted) SMTP; 10 May 2007 13:08:46 -0000 Message-ID: <46431963.1070903@ibctech.ca> Date: Thu, 10 May 2007 09:08:51 -0400 From: Steve Bertrand User-Agent: Thunderbird 2.0.0.0 (Windows/20070326) MIME-Version: 1.0 To: Nate Eldredge References: In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: Machine freezes on modem ring 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: Thu, 10 May 2007 13:09:03 -0000 Nate Eldredge wrote: > Hi all, > > I have an odd problem with my FreeBSD box. I have an external serial > modem connected, and whenever the phone rings, the system freezes > momentarily. No mouse movement, etc. To diagnose it, I wrote a program > that calls gettimeofday continuously, and when the phone rings there is > about a 2 second interval between loops. This corresponds roughly to > the time of each ring. Out of curiosity, does the system hang with no mouse attached? Try your gettimeofday() after you have disconnected the mouse. It may even be better to test this after a cold-boot with no mouse attached. I just remember way back when having interrupt problems with external modems with a mouse attached. Steve