From owner-freebsd-bugs@FreeBSD.ORG Tue Feb 3 12:19:36 2009 Return-Path: Delivered-To: freebsd-bugs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4C1A4106564A; Tue, 3 Feb 2009 12:19:36 +0000 (UTC) (envelope-from ad.sergey@gmail.com) Received: from mail-bw0-f21.google.com (mail-bw0-f21.google.com [209.85.218.21]) by mx1.freebsd.org (Postfix) with ESMTP id 370EF8FC1F; Tue, 3 Feb 2009 12:19:34 +0000 (UTC) (envelope-from ad.sergey@gmail.com) Received: by bwz14 with SMTP id 14so1337475bwz.19 for ; Tue, 03 Feb 2009 04:19:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=nMIT0XWzQBlkvkBhf1egrIZs9ULz6of+gVzpHtwYwD4=; b=hA0x6gi3GKFK3Y4FXw9FblzwRQy/NBqrWtw+Q6Gdl40LeKeyYzc7QVwGEWZux1KrSn +RrQoVZ60oc/zk9eRKJXJmM6zdhMtKYZzxcO4CDi2+VhQQEg4BI/9LLGOHnf9wR4BO9K wYvUvKw9EG6Ew0dT7/9cvAqvsBdxaURmbF4fw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=TIrN7kD+Hr65z4XdFtmY9FYPIY2QY1U3hgQ0v7n3Q2jMRE3diY3F1uY16w9c8wuyAm qP9myrhErRMHcK4EiFetVozf7jspuEmqh0ttpsrI2tLKqHpT4agNh87Wz9s8ddWULmvc ZbWh9qiMpBTyZwPXCOohAPL1kiQKZKlpGvE6s= MIME-Version: 1.0 Received: by 10.181.33.8 with SMTP id l8mr2060841bkj.155.1233663574188; Tue, 03 Feb 2009 04:19:34 -0800 (PST) In-Reply-To: <817i47oibn.fsf@zhuzha.ua1> References: <200902021314.n12DEwd3098744@freefall.freebsd.org> <817i47oibn.fsf@zhuzha.ua1> Date: Tue, 3 Feb 2009 04:19:33 -0800 Message-ID: From: Sergey S To: Mikolaj Golub Content-Type: multipart/mixed; boundary=0016e6dd98f11ca30e046202af46 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: remko@freebsd.org, freebsd-bugs@freebsd.org Subject: Re: misc/131290: How to completely freeze FreeBSD 7.1 under a non-privileged user X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Feb 2009 12:19:36 -0000 --0016e6dd98f11ca30e046202af46 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Help. Thanks for your answer. > I have tried your scripts and have not managed to reproduce the hang, even > running the loop script without sleep. It's very strange, because the bug is 100% reprodusable to me (on two separate computers) :( > http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html Thanks for your suggestion. I hope it will help. > But I would recommend you to start from simpler techniques, e.g. running in > parallel top and other system utilities and writing the output to the file for > further investigation. Something like this: > > top -b -s1 -S -d1000 1000 > top.output & > ./gistfile1.sh I've done it. gzipped top.output is attached to this letter. -- Sergey --0016e6dd98f11ca30e046202af46--