From owner-freebsd-current@FreeBSD.ORG  Mon Sep 16 06:34:03 2013
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id D95EB9B5;
 Mon, 16 Sep 2013 06:34:03 +0000 (UTC)
 (envelope-from hiren.panchasara@gmail.com)
Received: from mail-ee0-x236.google.com (mail-ee0-x236.google.com
 [IPv6:2a00:1450:4013:c00::236])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 2836F2053;
 Mon, 16 Sep 2013 06:34:03 +0000 (UTC)
Received: by mail-ee0-f54.google.com with SMTP id e53so1771803eek.41
 for <multiple recipients>; Sun, 15 Sep 2013 23:34:01 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
 h=mime-version:in-reply-to:references:date:message-id:subject:from:to
 :cc:content-type;
 bh=+aTOLWduQLEi9cakWrJJvAp5ILvwhR0p0blliVT7z9Q=;
 b=ARo9zfUxoHjTigTXaKU1uEAcqmz8KgOfoUk7u4vuF84F11Q1hSehHX9B7AkwhHK4Yt
 Nyhi8rltJh+YlhfTNAC6hhF38zMd89Jnisj6QvdeyNDmkr3R+DbXeLhSZotJnok3lYlH
 qv7CAFqcmCcoN43md5gOC7PzMGcrjvAQ2UvQljBE9ypSJ5LANDprGEB8r/wNr70y7OQl
 3y+bL+x5tXusOKI3w3qPZDoCup5J4AVwY7umo22kY48TOkVfg6OuEvEKW6f4ZelRi8se
 MIEGgSbIyWuqU0YjoufjHV2puQVZ4c80SQw9O1C+otQE4Yf6Z/OHEZVCd63XxKCsZVD9
 2ZTA==
MIME-Version: 1.0
X-Received: by 10.14.177.199 with SMTP id d47mr40760829eem.14.1379313241533;
 Sun, 15 Sep 2013 23:34:01 -0700 (PDT)
Received: by 10.14.105.137 with HTTP; Sun, 15 Sep 2013 23:34:01 -0700 (PDT)
In-Reply-To: <CACYV=-F20pxB0cQ9xEatO_u6F0j5jSO4_AnxsetM9+-v0Nfoxg@mail.gmail.com>
References: <CALCpEUGherrJbmW9PBO7kSQk1Gj4zigGvvsRiyAwjk-USOXTUw@mail.gmail.com>
 <20130912092737.GC4574@FreeBSD.org>
 <CALCpEUGiAh_t-VPkQnU0wyUpEy7mqrLFfSNv_b5pdMg8ednAMw@mail.gmail.com>
 <CALCpEUHp81UCpFRfytd03iOrY1UT4M5ttMWkGuywVLr9sT6e7Q@mail.gmail.com>
 <CACYV=-F20pxB0cQ9xEatO_u6F0j5jSO4_AnxsetM9+-v0Nfoxg@mail.gmail.com>
Date: Sun, 15 Sep 2013 23:34:01 -0700
Message-ID: <CALCpEUGAmbrZd+WkbMhs9b9ECSx7guvc0P4imAFPEVvzjsn33A@mail.gmail.com>
Subject: Re: Intermittent hangs in vmem_periodic()
From: hiren panchasara <hiren.panchasara@gmail.com>
To: Davide Italiano <davide@freebsd.org>
Content-Type: text/plain; charset=UTF-8
X-Content-Filtered-By: Mailman/MimeDel 2.1.14
Cc: Gleb Smirnoff <glebius@freebsd.org>,
 freebsd-current <freebsd-current@freebsd.org>
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 16 Sep 2013 06:34:03 -0000

On Sun, Sep 15, 2013 at 5:52 PM, Davide Italiano <davide@freebsd.org> wrote:

> >
> > Thanks Gleb.
> > I've removed DIAGNOSTIC and the problem is gone now.
> >
>
> JFYI, I hit this problem today as well. I don't think you really need
> to disable DIAGNOSTIC completely in order to get rid of that.
> I've noticed Peter Holm has recently committed a new sysctl that
> allows you to selectively disable calls to vmem_check
> (debug.vmem_check), which should (probably) help.
>

Thanks Davide.

cheers,
Hiren