From owner-freebsd-current@FreeBSD.ORG Mon Oct 4 16:30:42 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 C544D1065672 for ; Mon, 4 Oct 2010 16:30:42 +0000 (UTC) (envelope-from avg@icyb.net.ua) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 1832D8FC23 for ; Mon, 4 Oct 2010 16:30:41 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id TAA06756; Mon, 04 Oct 2010 19:30:22 +0300 (EEST) (envelope-from avg@icyb.net.ua) Message-ID: <4CAA011D.1070401@icyb.net.ua> Date: Mon, 04 Oct 2010 19:30:21 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.9) Gecko/20100920 Lightning/1.0b2 Thunderbird/3.1.4 MIME-Version: 1.0 To: David Wolfskill , current@freebsd.org References: <20101001233001.GG1535@albert.catwhisker.org> <20101002013344.GI1535@albert.catwhisker.org> <20101002033859.GK1535@albert.catwhisker.org> <20101003112859.GW1535@albert.catwhisker.org> <4CA86E73.9080707@icyb.net.ua> <20101003131409.GX1535@albert.catwhisker.org> <4CA906EB.5090305@freebsd.org> <20101004004910.GD1410@albert.catwhisker.org> <4CA985D2.3000805@icyb.net.ua> <20101004161415.GF1410@albert.catwhisker.org> In-Reply-To: <20101004161415.GF1410@albert.catwhisker.org> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=KOI8-U Content-Transfer-Encoding: 7bit Cc: Subject: Re: [geom, cam] 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: Mon, 04 Oct 2010 16:30:42 -0000 on 04/10/2010 19:14 David Wolfskill said the following: > On Mon, Oct 04, 2010 at 10:44:18AM +0300, Andriy Gapon wrote: >> ... >> Interesting! > > :-} > >> So, init thread is blocked in vfs_mountroot()->g_waitidle() waiting for geom to >> complete probing cd device, but the latter is blocked in cam_periph_getccb() >> waiting for a ccb. >> Can you try to reproduce this again and examine other thread for anything >> interesting in geom/cam department? Thread named as "xpt_thrd" might be of >> particular interest. > > Yes; I can do that. Bearing in mind that each of us has a finite > number of keystrokes in his (or her) life, typing all that stuff > by hand, though, tends to eat into that upper limit a bit faster than > most other forms of recreation do. :-} > > Is there a way I can use USB or firewire in a way similar to a serial > console? The laptop has both of those (though I only have connectors > for USB at the moment), and does not have a DB9 (let alone a DB25) > serial port. I'd welcome a pointer. You should be able to use firewire console. I have never done that myself, so can't help with setting it up. BTW, personally for me links to screenshots (e.g. taken with a digital camera) are OK. -- Andriy Gapon