From owner-freebsd-stable@FreeBSD.ORG Sun Feb 2 23:59:59 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2E09038B for ; Sun, 2 Feb 2014 23:59:59 +0000 (UTC) Received: from mail-qc0-x22c.google.com (mail-qc0-x22c.google.com [IPv6:2607:f8b0:400d:c01::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E0EE11331 for ; Sun, 2 Feb 2014 23:59:58 +0000 (UTC) Received: by mail-qc0-f172.google.com with SMTP id c9so10066679qcz.17 for ; Sun, 02 Feb 2014 15:59:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=amMGfADHqti3ugN7Y9plU38/nDJEepzCr9NIVbFC7vM=; b=pl1+oV8JyDdPp/AZHIPPTkFg2PFKHpu36KakIsJXQ4T9/qjibwbUpmFlB7RoG8fpyd VAfOSYg+43qya3l9Bpgw30UQ1NWrAy574FNEJVou3f0EcN6bsN35fSEVIONIY6y1qEU/ sZCClaUIBIJrPWvNzaryEA1IolO6nVBnZrquh6iIcCZoL6WNBlWnfYFCCI/UdEDV+Lq7 Hc5ON11IBJ+Jfj0JJhaTvuCweHyvpv8ZaWT1HU+AOAqP8vu5uhVVqklwCaTARyxcPRzh 7Xq3h3FLllr5wcUWVWKivhKxZgM1mckMeu/S/QZFgZaT1h71KzLMb/S0ox2wMpsP9/+J 3CYA== MIME-Version: 1.0 X-Received: by 10.140.91.23 with SMTP id y23mr49150877qgd.3.1391385597994; Sun, 02 Feb 2014 15:59:57 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.224.52.8 with HTTP; Sun, 2 Feb 2014 15:59:57 -0800 (PST) In-Reply-To: <20140202204623.00003fe5@unknown> References: <20140201070912.00007971@unknown> <20140201221612.00001897@unknown> <20140202204623.00003fe5@unknown> Date: Sun, 2 Feb 2014 15:59:57 -0800 X-Google-Sender-Auth: 5m6J53LR8GIaXzvrvGf7Yjj5Zwk Message-ID: Subject: Re: Tuning kern.maxswzone is minor compared to hangs in "kmem a" state From: Adrian Chadd To: Matthew Rezny Content-Type: text/plain; charset=ISO-8859-1 Cc: FreeBSD Stable Mailing List X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Feb 2014 23:59:59 -0000 [snip] So next time this happens, run "procstat -kka" - this will dump out the processes and a basic function call trace for each of them. I'll see if there's a way to teach procstat to output line numbers if the kernel debug image is available, but generally that's enough to then pass to kgdb to figure out the line number. -a