From owner-freebsd-ppc@FreeBSD.ORG  Thu Jan 23 06:41:49 2014
Return-Path: <owner-freebsd-ppc@FreeBSD.ORG>
Delivered-To: powerpc@FreeBSD.org
Received: by hub.freebsd.org (Postfix, from userid 1033)
 id 2214145E; Thu, 23 Jan 2014 06:41:49 +0000 (UTC)
Date: Thu, 23 Jan 2014 06:41:49 +0000
From: Alexey Dokuchaev <danfe@FreeBSD.org>
To: Justin Hibbits <chmeeedalf@gmail.com>
Subject: Re: Tightening kernel for Mac Mini G4
Message-ID: <20140123064149.GA54730@FreeBSD.org>
References: <20140122153323.GA3637@FreeBSD.org>
 <20140122082542.745de133@zhabar.gateway.2wire.net>
 <20140123044922.GA29547@FreeBSD.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20140123044922.GA29547@FreeBSD.org>
User-Agent: Mutt/1.5.22 (2013-10-16)
Cc: powerpc@FreeBSD.org
X-BeenThere: freebsd-ppc@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Porting FreeBSD to the PowerPC <freebsd-ppc.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-ppc>,
 <mailto:freebsd-ppc-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-ppc/>
List-Post: <mailto:freebsd-ppc@freebsd.org>
List-Help: <mailto:freebsd-ppc-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-ppc>,
 <mailto:freebsd-ppc-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 23 Jan 2014 06:41:49 -0000

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> 

Maybe moving "device mem" to /boot/loader.conf was not that good idea? :)

Keyboard is unresponsive at this point (could it be due to missing USB stuff
in kernel?).

What puzzles me more is that unloading the previous kernel and doing 'set
kernel=kernel.old' before boot also panics (WTF? it booted just fine before):

  panic: vm_phys_create_seg: increase VM_PHYSSEG_MAX

Perhaps some modules from /boot/loader.conf confuse GENERIC kernel.  Unless
I find a way to fix this, I might have to netboot again. :(

./danfe