From owner-freebsd-stable@FreeBSD.ORG Thu Feb 5 12:46:39 2009 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 7DA071065674 for ; Thu, 5 Feb 2009 12:46:39 +0000 (UTC) (envelope-from mattblists@icritical.com) Received: from mail2.icritical.com (mail2.icritical.com [212.57.248.50]) by mx1.freebsd.org (Postfix) with SMTP id CC5B48FC20 for ; Thu, 5 Feb 2009 12:46:38 +0000 (UTC) (envelope-from mattblists@icritical.com) Received: (qmail 13280 invoked from network); 5 Feb 2009 12:46:37 -0000 Received: from localhost (127.0.0.1) by mail2.icritical.com with SMTP; 5 Feb 2009 12:46:37 -0000 Received: (qmail 13266 invoked by uid 599); 5 Feb 2009 12:46:31 -0000 Received: from unknown (HELO icritical.com) (87.127.43.251) by mail2.icritical.com (qpsmtpd/0.28) with ESMTP; Thu, 05 Feb 2009 12:46:31 +0000 Message-ID: <498ADF9F.3050205@icritical.com> Date: Thu, 05 Feb 2009 12:46:23 +0000 From: Matt Burke User-Agent: Thunderbird 2.0.0.16 (X11/20080707) MIME-Version: 1.0 To: Kostik Belousov References: <49898E3D.7030609@icritical.com> <20090204143309.GF9427@deviant.kiev.zoral.com.ua> <498ACD02.4040602@icritical.com> <20090205120655.GI9427@deviant.kiev.zoral.com.ua> In-Reply-To: <20090205120655.GI9427@deviant.kiev.zoral.com.ua> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 05 Feb 2009 12:46:32.0044 (UTC) FILETIME=[C5817AC0:01C9878F] X-Virus-Scanned: by iCritical at mail2.icritical.com Cc: stable@freebsd.org Subject: Re: 7.1-RELEASE I/O hang X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Feb 2009 12:46:39 -0000 Kostik Belousov wrote: >>> Compile ddb into the kernel, and do "ps" from the ddb prompt. If there >>> are processes hung in the "nbufkv" state, then the patch below might >>> help. >> The bonnie++ processes are in state "newbuf" and other hung processes >> (bash, newly forked sshds, etc) appear to be in the "ufs" state. > What is the state of the bufdaemon process ? qsleep --