From owner-freebsd-ppc@FreeBSD.ORG  Sat Jan 25 14:10:27 2014
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Date: Sat, 25 Jan 2014 14:10:27 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: powerpc@FreeBSD.org
Subject: Re: Tightening kernel for Mac Mini G4
Message-ID: <20140125141027.GA15409@FreeBSD.org>
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On Thu, Jan 23, 2014 at 06:41:49AM +0000, Alexey Dokuchaev wrote:
> On Thu, Jan 23, 2014 at 04:49:22AM +0000, Alexey Dokuchaev wrote:
> > Great, I've removed entire "Misc" section of the config.  I'm wondering
> > if I can do the same for ADB support?
> 
> Apparently, I removed too much: newly built kernel panics on boot instantly:
> 
>   panic: vm_phys_paddr_to_segfind: paddr 0x1c3d000 is not in any segment
>   cpuid = 0
>   KDB: stack backtrace:
>   0xd0004ab0: at kdb_backtrace+0x4c
>   0xd0004b20: at panic+0x16c
>   0xd0004b80: at vm_phys_add_page+0x12c
>   0xd0004ba0: at vm_page_startup+0x428
>   0xd0004c00: at vm_mem_init+0x24
>   0xd0004c20: at mi_startup+0x13c
>   0xd0003c50: at btext+0xc0
>   KDB: enter: panic
>   [ thread pid 0 tid 0 ]
>   Stopped at	0x282e24:	addi	r0, r0, 0x0
>   db> 

Please do not trust this; it could probably be due to a faulty (dying) hard
drive.  Sorry for the noise.

./danfe