From owner-freebsd-current@FreeBSD.ORG Sat Oct 2 02:22:35 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0E839106566B for ; Sat, 2 Oct 2010 02:22:35 +0000 (UTC) (envelope-from yanegomi@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id C6F8C8FC08 for ; Sat, 2 Oct 2010 02:22:34 +0000 (UTC) Received: by iwn34 with SMTP id 34so5573248iwn.13 for ; Fri, 01 Oct 2010 19:22:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:sender:received :in-reply-to:references:date:x-google-sender-auth:message-id:subject :from:to:content-type:content-transfer-encoding; bh=I2yVSndzj0MVTc/CmLy/FF4j15/YvsEnKmDWaC1FlcM=; b=YMFECDp3gXCUbsNYOn3bBPnARoy9IQHq0ULGolKnWsW+C1Az4gEnODzoierpjgokI2 zzN78TKOiPONmLV4lOQGZcR1/18GuyRSJkBShfKfrP+npT41YlJkijo3S7j82+TC3aUP enpB45X7yKJyTMlrVLO3SPbUa2FsrKsCQ4qb0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:content-type :content-transfer-encoding; b=oIUShG9+G7B9KIX4O9+e0uEUp7+uMUwvP7MNPo4MKOHl0A6a8yyaDwd44ojz1dmZig MjLofwsa5qRNAznS/c7DCfvmrMAOYJtBm0AHNKbB6F8NyWn+u15S08WMC9VwKuRwQ0bT W0Muws4yNfmL2qpTyyl/K60SV+Z4RI7eVP6qk= MIME-Version: 1.0 Received: by 10.231.191.147 with SMTP id dm19mr6653420ibb.6.1285986154000; Fri, 01 Oct 2010 19:22:34 -0700 (PDT) Sender: yanegomi@gmail.com Received: by 10.231.190.68 with HTTP; Fri, 1 Oct 2010 19:22:33 -0700 (PDT) In-Reply-To: <20101002013344.GI1535@albert.catwhisker.org> References: <20101001212038.GE1535@albert.catwhisker.org> <20101001233001.GG1535@albert.catwhisker.org> <20101002013344.GI1535@albert.catwhisker.org> Date: Fri, 1 Oct 2010 19:22:33 -0700 X-Google-Sender-Auth: rjP_EfFEr2X6HUd7EB8VS1TSkdA Message-ID: From: Garrett Cooper To: David Wolfskill , current@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Subject: Re: Hang near end of kernel probes since r213267 (likely earlier) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 02 Oct 2010 02:22:35 -0000 On Fri, Oct 1, 2010 at 6:33 PM, David Wolfskill wrot= e: > On Fri, Oct 01, 2010 at 04:30:01PM -0700, David Wolfskill wrote: >> ... >> I found the disabling the "Module Bay" appears to avoid the hang -- >> reliably. >> >> That appears to be the minimally-invasive change necessary to avoid the >> hang. >> .... > > Until I realized what was in the Modular Bay: the CD/CVD reader/burner. > > So I tried a variation on the theme: =A0I left all the devices enabled, > but I physically removed the device from the bay before booting -- and > was unable to get it to fail. > > And -- just now -- I disabled the channel (via atacontrol(8)), inserted > the drive, and enabled the channel: > > g1-222# atacontrol list > ATA channel 0: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 1: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 2: > =A0 =A0Master: =A0ad4 SATA revision 2.x > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 3: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 4: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 5: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > g1-222# atacontrol detach ata3 > g1-222# atacontrol list > ATA channel 0: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 1: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 2: > =A0 =A0Master: =A0ad4 SATA revision 2.x > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 3: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 4: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 5: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > g1-222# atacontrol attach ata3 > Master: acd0 SATA revision 1.x > Slave: =A0 =A0 =A0 no device present > g1-222# atacontrol list > ATA channel 0: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 1: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 2: > =A0 =A0Master: =A0ad4 SATA revision 2.x > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 3: > =A0 =A0Master: acd0 SATA revision 1.x > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 4: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > ATA channel 5: > =A0 =A0Master: =A0 =A0 =A0no device present > =A0 =A0Slave: =A0 =A0 =A0 no device present > g1-222# > > This is running: > > FreeBSD g1-222.catwhisker.org. 9.0-CURRENT FreeBSD 9.0-CURRENT #1 r213322= : Fri Oct =A01 10:18:30 PDT 2010 =A0 =A0 root@g1-222.catwhisker.org.:/usr/o= bj/usr/src/sys/CANARY =A0i386 > > Any ideas on what mught be causing CURRENT to hang -- sometimes > -- given that it appears to involve the Modular Bay (or the specific > device that is in the bay during the hang)? Do you have boot -v output? Thanks, -Garrett