From owner-freebsd-questions@FreeBSD.ORG Sat Apr 17 16:50:00 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3249F16A4CE for ; Sat, 17 Apr 2004 16:50:00 -0700 (PDT) Received: from saraswati.adaptableit.com (66-27-110-27.san.rr.com [66.27.110.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id EEE6343D49 for ; Sat, 17 Apr 2004 16:49:59 -0700 (PDT) (envelope-from cory@adaptableit.com) Received: from vishnu.adaptableit.com (vishnu.adaptableit.com [192.168.1.6]) i3HNjJ512570 for ; Sat, 17 Apr 2004 16:45:19 -0700 (PDT) Received: (from cory@localhost) by vishnu.adaptableit.com (8.12.10/8.12.10/Submit) id i3HNqiNL042206 for freebsd-questions@freebsd.org; Sat, 17 Apr 2004 16:52:44 -0700 (PDT) (envelope-from cory) Date: Sat, 17 Apr 2004 16:52:43 -0700 From: Cory Petkovsek To: freebsd-questions@freebsd.org Message-ID: <20040417235243.GG41098@adaptableit.com> References: <20040408230839.GH4101@adaptableit.com> <20040409091642.GB33753@happy-idiot-talk.infracaninophile.co.uk> <20040410012741.GB10773@adaptableit.com> <20040410072938.GA8301@happy-idiot-talk.infracaninophile.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040410072938.GA8301@happy-idiot-talk.infracaninophile.co.uk> User-Agent: Mutt/1.4.2.1i Subject: Re: sendmail/strace hanging X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 17 Apr 2004 23:50:00 -0000 On Sat, Apr 10, 2004 at 08:29:38AM +0100, Matthew Seaman wrote: > Hmmm... Very strange. I wonder if it's sendmail causing the effect at > all -- sounds like it might be something more systemic. Do you have > ACPI enabled? Could it be that the system is throttling the CPU under > load -- perhaps to keep the CPU cool? Possibly, but I have not had any further problems once it started working again. I have it configured as I want it, so I won't worry about it until it happens again. I have noticed sendmail blocking as I send a message through mutt. I presume this is caused by dns lookups, but it is nearly always brief. strace still blocks if I just say: $ strace cat file It blocks, but will jump start if I 'ctrl+z' and 'fg'. ioctl(3, PIOCWAIT Cory -- Cory Petkovsek Adapting Information Adaptable IT Consulting Technology to Your (858) 705-1655 Business cory@AdaptableIT.com www.AdaptableIT.com