From owner-freebsd-stable@FreeBSD.ORG Wed Sep 12 12:54:37 2012 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 85776106564A; Wed, 12 Sep 2012 12:54:37 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 99F3F8FC12; Wed, 12 Sep 2012 12:54:35 +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 PAA04514; Wed, 12 Sep 2012 15:54:30 +0300 (EEST) (envelope-from avg@FreeBSD.org) Message-ID: <50508606.4040704@FreeBSD.org> Date: Wed, 12 Sep 2012 15:54:30 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:15.0) Gecko/20120830 Thunderbird/15.0 MIME-Version: 1.0 To: Lars Engels References: <5007CFE6.6030808@intersonic.se> <500853DA.8050502@intersonic.se> <201207311632.30938.jhb@freebsd.org> <20120822093317.GW32916@e-new.0x20.net> <5034D4CD.4030301@gibfest.dk> <20120822165239.GX32916@e-new.0x20.net> <50351EA4.4040401@gibfest.dk> <20120912113425.GK20762@e-new.0x20.net> In-Reply-To: <20120912113425.GK20762@e-new.0x20.net> X-Enigmail-Version: 1.4.3 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Thomas Steen Rasmussen , freebsd-stable@FreeBSD.org Subject: Re: Thinkpad X61s cannot boot 9.1-BETA1 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: Wed, 12 Sep 2012 12:54:37 -0000 on 12/09/2012 14:34 Lars Engels said the following: > On Wed, Aug 22, 2012 at 08:02:12PM +0200, Thomas Steen Rasmussen wrote: >> >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> On 22-08-2012 18:52, Lars Engels wrote: >>> On Wed, Aug 22, 2012 at 02:47:09PM +0200, Thomas Steen Rasmussen wrote: >>>> >>>> On 22-08-2012 11:33, Lars Engels wrote: >>>>> >>>>> I have a T61 running 9.1-BETA1 (with PC-BSD). In most cases it is >>>>> booting fine, but from time to time it hangs at boot time but the last >>>>> lines are uhub0: ... to uhub4 >>>>> Is that the same or a different issue? >>>> Hello, >>>> >>>> I have that exact issue on an X301 after upgrading from 9.0 to >>>> 9-STABLE a little while ago. It feels like it happens mostly when >>>> rebooting from Windows to FreeBSD (dualboot machine), but I've >>>> seen it from a cold boot as well. I've never seen it twice in >>>> a row - turning the machine off and on again (by holding the >>>> power button down) and it boots normally the next time. >>>> >>>> I am willing to test patches or enable extra debugging, or >>>> help out any other way I can :) >>> >>> Have you ever seen that with verbose boot enabled? >> Hello, >> >> No, but I can boot verbosely the next times I boot and see if it comes up ? > > Meanwhile I found out what's the cause of it. On 9.x it only hung from > time to time, but I tried a few weeks old CURRENT and it hung at every > boot at the same time. > With enabled verbose boot it looked like this: > http://bsd-geek.de/FreeBSD/IMAG0190.jpg > > Then I removed the AC cable and booted from battery and that worked. So > it seems to me that some ACPI change in CURRENT made the situation even > worse. > Could you try to play with different eventtimer settings (preferably in current) ? You can use this thread / PR as a guide: http://thread.gmane.org/gmane.os.freebsd.devel.amd64/14480/focus=14495 The place where boot stop looks suspiciously close to the place where timer interrupts should start driving the system. -- Andriy Gapon