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Date:      Sat, 13 Jun 2009 07:50:23 +0400
From:      Yuri Pankov <yuri.pankov@gmail.com>
To:        Gary Kline <kline@thought.org>
Cc:        Dan Allen <danallen46@airwired.net>, "Paul B. Mahol" <onemda@gmail.com>, freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org>
Subject:   Re: Something since June 8th clobbers my disk...
Message-ID:  <20090613035023.GB1227@darklight.homeunix.org>
In-Reply-To: <20090613032442.GA24933@thought.org>
References:  <212AA509-6A5D-4D43-8B02-A31E636A8D40@airwired.net> <3a142e750906111641w73d991a7ld22ff9a9150404e0@mail.gmail.com> <B2BA29D4-BEE8-427B-88AB-28775F550BE5@airwired.net> <200906120832.51098.jhb@freebsd.org> <22FB500C-9655-4702-99B8-F6498DD27E2F@airwired.net> <20090613032442.GA24933@thought.org>

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On Fri, Jun 12, 2009 at 08:24:42PM -0700, Gary Kline wrote:
> On Fri, Jun 12, 2009 at 08:45:01PM -0600, Dan Allen wrote:
> > 
> > On 12 Jun 2009, at 6:32 AM, John Baldwin wrote:
> > 
> > >On Thursday 11 June 2009 9:33:24 pm Dan Allen wrote:
> > >>Isn't boot part of the kernel build?  Why would installing the kernel
> > >>not cause this problem?
> > >
> > >No, sys/boot is built during world.  Likely some change in /boot/ 
> > >loader is
> > >causing your problem.  Can you narrow it down to a specific change  
> > >under
> > >sys/boot?
> > 
> > Ok.  I updated just the one file since it appeared like one of the few  
> > changed files
> > 
> > 	/usr/src/sys/boot/i386/libi386/biosdisk.c
> > 
> > and rebuilt things with
> > 
> > 	cd /usr/src/sys/boot; make cleandir obj depend all install
> > 
> > and it was okay.  No problems.
> > 
> > Then I did sync'd all of the changed files for /usr/src/sys/boot and  
> > my machine is hung again at boot, so we have narrowed it down to  
> > somewhere in /usr/src/sys/boot/.
> > 
> > Time to reinstall from a DVD and try it with finer granularity.  This  
> > will take some time.
> > 
> > There appears to be only four files that have changed in /usr/src/sys/ 
> > boot from June 8th (all working fine) to June 11th (dead in the  
> > water).  They are:
> > 
> > /usr/src/sys/boot/Makefile
> > /usr/src/sys/boot/i386/Makefile
> > /usr/src/sys/boot/i386/libi386/biosdisk.c
> > /usr/src/sys/boot/i386/loader/Makefile
> > 
> > I have ruled out bisodisk.c, as stated above.
> > 
> > That means that the Makefiles are building new stuff that previously  
> > was not built, namely
> > 
> > 	zfsboot gptzfsboot
> > 
> > I believe it has to do with that.  More help is needed!  I am tired of  
> > reinstalling the OS, but I am much more paranoid about updating my  
> > other machine in any way now, as it could erase that whole machine.  I  
> > can't believe I am the only one seeing this...
> > 
> > Dan
> > 
> 
> 	Whew!! i'm giving thanks to every saint, god and daemon known.  i
> 	rebuilt my kernel in very recent days (7.2) on my ancient 
> 	500MHz kayak, but did not go further.  So still runing on the 7.0
> 	kernel.  
> 
> 	Will someone send up a flare when it's *safe*?
> 
> 	gary
> 
> 
> 
> -- 
>  Gary Kline  kline@thought.org  http://www.thought.org  Public Service Unix
>         http://jottings.thought.org   http://transfinite.thought.org
>        For FBSD list: http://transfinite.thought.org/slicejourney.php
>     The 4.98a release of Jottings: http://jottings.thought.org/index.php

How do you know it isn't safe? Noone hasn't provided any useful info
(debug, revisions where it works and where it doesn't).


Yuri



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