From owner-freebsd-current@FreeBSD.ORG Wed Jun 26 01:19:39 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id 8ABE0FF4; Wed, 26 Jun 2013 01:19:39 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-ie0-x236.google.com (mail-ie0-x236.google.com [IPv6:2607:f8b0:4001:c03::236]) by mx1.freebsd.org (Postfix) with ESMTP id 4DF471F87; Wed, 26 Jun 2013 01:19:39 +0000 (UTC) Received: by mail-ie0-f182.google.com with SMTP id s9so29932668iec.27 for ; Tue, 25 Jun 2013 18:19:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=O3JSkXUfIgGhOBAgo6zneBfOb6ojJny7ALuL/8fp/QY=; b=cDSuNL1hcro8JME3W1BsFe+i7cef/NJqhcD3sOeVQmhD86Ih9V0dwR6IbxeNH8HJT8 KVmyXxF5o6O0oN2Vy/MPmmWDXTX9ilLpTbaXdn1xvZUATx8b75W7Cou45U6i0gy47gLg Bv64CNXBAu7DnaMfDaA34AoAOZWhrMZfCFTgZ8AJ+xo14shKeqdzXzgCesE7q1AKiDHt HlteU6U9JAYHpcS2DPko/5mNgL50XxsKNjqUl+p3JsAC8cb3p1DsqsBttw2M+ZQ4HHJP jk0YMawmaBtgyqa/Qp7hpCd6yIykc53MGaR6eBJ70kEsyv+5FANNWl7qMPBIiQiSqiQo kcig== MIME-Version: 1.0 X-Received: by 10.50.109.134 with SMTP id hs6mr965134igb.35.1372209578789; Tue, 25 Jun 2013 18:19:38 -0700 (PDT) Sender: asmrookie@gmail.com Received: by 10.42.253.129 with HTTP; Tue, 25 Jun 2013 18:19:38 -0700 (PDT) In-Reply-To: <51CA0B57.8000204@smeets.im> References: <51CA0B57.8000204@smeets.im> Date: Wed, 26 Jun 2013 03:19:38 +0200 X-Google-Sender-Auth: vznGIFC_l-VRcXX7e4I3T1SbSGU Message-ID: Subject: Re: Kernel hangs on reboot on system with 05/2013~06/2013 CURRENT sources From: Attilio Rao To: Florian Smeets Content-Type: text/plain; charset=UTF-8 Cc: Matthew Fleming , Alexander Motin , "freebsd-current@freebsd.org" , Garrett Cooper X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: attilio@FreeBSD.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jun 2013 01:19:39 -0000 On Tue, Jun 25, 2013 at 11:27 PM, Florian Smeets wrote: > On 06/25/2013 22:45, Garrett Cooper wrote: >> Long story short is that I've run into an issue on several VM >> images and real machines where UFS on mpt fails to reboot because it >> hangs in the kernel. I don't have any specific details, other than it >> occurs regularly with cam/mpt on VMware boxes running builds; however >> I've also seen this occur with a Dell box that has an mpt SAS >> controller with 2 zpools and gobs of RAM. Does anyone know of any >> issues in this area [recently]? >> This set of issues appears to have started cropping up after >> 03/2013, because I was running reliable builds off those sources. >> Thanks! >> -Garrett >> > > Yes, I saw the same thing today when rebooting a box running r251905: > Tue Jun 18 10:12:42 CEST 2013 with ahci on a zfs only system. > > I update this box about once a week, that previous kernel was from Jun > 11. and that still rebooted successfully. As the kernel from June 18. is > now kernel.old I don't know the SVN rev for the June 11 kernel, but it > looks like it was broken between June 11. and 18. Can you break into KDB once the loop happens? Attilio -- Peace can only be achieved by understanding - A. Einstein