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Date:      Sun, 7 Jan 1996 10:36:03 -0800 (PST)
From:      -Vince- <vince@apollo.COSC.GOV>
To:        Stefan Esser <se@zpr.uni-koeln.de>
Cc:        freebsd-current@freebsd.org
Subject:   Re: -current kernel problems
Message-ID:  <Pine.BSF.3.91.960107103008.1608P-100000@apollo.COSC.GOV>
In-Reply-To: <199601071816.AA11315@Sysiphos>

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On Sun, 7 Jan 1996, Stefan Esser wrote:

> On Jan 7, 10:00, -Vince- wrote:
> } Subject: Re: -current kernel problems
> } On Sun, 7 Jan 1996, Stefan Esser wrote:
> } 
> } > Hmm, well, I remember saying that sysctl has 
> } > problems on /your/ machine ...
> } > 
> } > I also said, that there are ongoing changes 
> } > in that area ...
> } > 
> } > In general, it seems to work just fine. And I 
> } > get more and more the impression, that you have 
> } > rebuilt a kernel from incompatible parts ...
> } > 
> } > But the "sysctl -w kern.bootfile=/kernel.old"
> } > which fails on your system is unneccesary anyway,
> } > if you are going to reboot immediately. And you
> } > just should rebuild /usr/sbin/config, configure
> } > your kernel using the new binary, and then build
> } > a kernel in a clean compile directory.
> } 
> } 	Hmmm, the first time, I always do a kernel compile in a clean 
> } compile directory since I will always rm -rf /usr/src/sys/compile/ASTRO
> } after every kernel compile and I did do the make world before the kernel 
> } compile so that should have rebuild the /usr/sbin/config binary and I 
> } even rm -rf /usr/src and then resupped everything just to be sure.  Is 
> 
> Ok. That sounds very convincing indeed ... :)
> 
> } there a way to debug the problem since it can't even log it to the 
> } /var/log/messages file as everything is just core dumping.
> 
> - Did you manage to install a more recent kernel ?

	Yep, and the same thing happens....  Someone else compiled a kernel
with the same config on their machine but when I got it, it always panics
and reboots since it can't mount the root partition.

> - Do you use any LKM's ?
>   (A make world might fail to rebuild a LKM, and 
>    the incompatible LKM from an earlier build might
>    be left alone in /lkm.)

	Hmmm, I never rmed any of the old /lkm's but what I did was to be sure
since David told me about it, I just cd /usr/src/lkm and then did a make 
clean, make all, and then make install.

> - Can you boot single user (enter "-s" at the "Boot: "
>   prompt, fsck the file systems and mount (r/o) your 
>   /var partition ?

	Hmmm, this is one thing I haven't tried yet....  For some reason, 
the original -current kernel of 12/28/95 seemed to have messed up the 
root partition and deleted the entire /bin directory as well as the 
/stand directory, newer kernels seems to have deleted my /mnt directory 
but the latest ones just panic with the vm_fault and doesn't mess up my 
partition.  I'm still on the 11/23/95 kernel now on a 1/4/96 -current 
system so I'm not sure what really is the problem since it seems like 
it's something with the memory but it worked fine with everything up to 
11/23/95.

Cheers,
-Vince- vince@COSC.GOV - GUS Mailing Lists Admin - http://www.COSC.GOV/~vince
UC Berkeley AstroPhysics - Electrical Engineering (Honorary B.S.)
Chabot Observatory & Science Center - Board of Advisors
Running FreeBSD - Real UN*X for Free!
Linda Wong/Vivian Chow/Hacken Lee/Danny Chan/Priscilla Chan Fan Club
Mailing Lists Admin




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