From owner-freebsd-hackers@FreeBSD.ORG Mon Aug 6 08:03:53 2012 Return-Path: Delivered-To: freebsd-hackers@FreeBSD.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id D4CEB106567F for ; Mon, 6 Aug 2012 08:03:53 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from opti.dougb.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id CE19B15594B; Mon, 6 Aug 2012 08:03:42 +0000 (UTC) Message-ID: <501F7A5E.6070007@FreeBSD.org> Date: Mon, 06 Aug 2012 01:03:42 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:14.0) Gecko/20120728 Thunderbird/14.0 MIME-Version: 1.0 To: Yuri References: <501871FD.601@rawbw.com> In-Reply-To: <501871FD.601@rawbw.com> X-Enigmail-Version: 1.4.2 OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@FreeBSD.org Subject: Re: How to diagnose system freezes? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Aug 2012 08:03:53 -0000 On 07/31/2012 17:02, Yuri wrote: > One of my 9.1-BETA1 systems periodically freezes. If sound was playing, > it would usually cycle with a very short period. And system stops being > sensitive to keyboard/mouse. Also ping of this system doesn't get a > response. Just for fun, have you tried switching to the 4BSD scheduler in your kernel config? -- I am only one, but I am one. I cannot do everything, but I can do something. And I will not let what I cannot do interfere with what I can do. -- Edward Everett Hale, (1822 - 1909)