From owner-freebsd-hackers Fri Jun 7 9:57:54 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from tinker.exit.com (tinker.exit.com [206.223.0.1]) by hub.freebsd.org (Postfix) with ESMTP id 2426437B40C; Fri, 7 Jun 2002 09:57:46 -0700 (PDT) Received: from realtime.exit.com (realtime [206.223.0.5]) by tinker.exit.com (8.12.3/8.12.3) with ESMTP id g57Gvccn039721; Fri, 7 Jun 2002 09:57:38 -0700 (PDT) (envelope-from frank@exit.com) Received: from realtime.exit.com (localhost [127.0.0.1]) by realtime.exit.com (8.12.3/8.12.2) with ESMTP id g57Gvcg0003749; Fri, 7 Jun 2002 09:57:38 -0700 (PDT) (envelope-from frank@realtime.exit.com) Received: (from frank@localhost) by realtime.exit.com (8.12.3/8.12.3/Submit) id g57Gvc2J003748; Fri, 7 Jun 2002 09:57:38 -0700 (PDT) From: Frank Mayhar Message-Id: <200206071657.g57Gvc2J003748@realtime.exit.com> Subject: Re: Numerous hard hangs on TWO different ASUS P4T-E w/P4 1.6G In-Reply-To: <3D00E4D0.90007@isi.edu> To: Lars Eggert Date: Fri, 7 Jun 2002 09:57:38 -0700 (PDT) Cc: frank@exit.com, stable@FreeBSD.ORG, hackers@FreeBSD.ORG Reply-To: frank@exit.com X-Copyright0: Copyright 2002 Frank Mayhar. All Rights Reserved. X-Copyright1: Permission granted for electronic reproduction as Usenet News or email only. X-Mailer: ELM [version 2.4ME+ PL98b (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Lars Eggert wrote: > I've seen these, too, on a dual-P3 Dell Precision 420. Under high loads > (buildworld), I get the exact same short-time freezes that sometimes > recover, and sometimes lockup the machine solid. > > We have the same sound card (and network card), and in my case, not > playing audio during high loads solves the problem - are you using your > audio device at all when this happens? Nope. Well, sometimes, but not often. When I am, I get the "repeating the last sample" effect during the freeze, the same as if the sound card wasn't generating interrupts (or the system wasn't servicing those interrupts). This is one of the things that makes me suspect interrupt problems. -- Frank Mayhar frank@exit.com http://www.exit.com/ Exit Consulting http://www.gpsclock.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message