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Date:      Fri, 09 Apr 2010 20:20:56 -0500
From:      Nathan Whitehorn <nwhitehorn@freebsd.org>
To:        Justin Hibbits <jrh29@alumni.cwru.edu>
Cc:        FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
Subject:   Re: ppc64 snapshot
Message-ID:  <4BBFD278.30804@freebsd.org>
In-Reply-To: <y2qfd9cd3451004091754u5a1d4af0p54dacd41bbd65a93@mail.gmail.com>
References:  <g2kfd9cd3451004041522pec1d3740l7e3551284b619b5@mail.gmail.com> <4BBB6DC0.3030808@freebsd.org> <j2zfd9cd3451004081857o4f39ac5dr8bcd16873c874c30@mail.gmail.com> <y2qfd9cd3451004091754u5a1d4af0p54dacd41bbd65a93@mail.gmail.com>

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On 04/09/10 19:54, Justin Hibbits wrote:
> On Thu, Apr 8, 2010 at 9:57 PM, Justin Hibbits <jrh29@alumni.cwru.edu 
> <mailto:jrh29@alumni.cwru.edu>> wrote:
>
>     On Tue, Apr 6, 2010 at 1:22 PM, Nathan Whitehorn
>     <nwhitehorn@freebsd.org <mailto:nwhitehorn@freebsd.org>> wrote:
>
>         Justin Hibbits wrote:
>
>             I just got my hands on a dual-core G5 (Late 2005), and
>             want to throw
>             -CURRENT on it.  Is there a snapshot available with the
>             recent ppc64 changes
>             that I could test out?
>
>             - Justin
>             _______________________________________________
>             freebsd-ppc@freebsd.org <mailto:freebsd-ppc@freebsd.org>
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>             http://lists.freebsd.org/mailman/listinfo/freebsd-ppc
>             To unsubscribe, send any mail to
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>             <mailto:freebsd-ppc-unsubscribe@freebsd.org>"
>
>         I just finished implementing the last missing feature in the
>         64-bit PowerPC port, and there are no more 64-bit-specific
>         bugs that I know about. Once M. Warner Losh's build system
>         changes are in the tree, I will submit a final patch set for
>         review, and merge it to head, but the port should be
>         completely usable at this point.
>
>         System Compatibility:
>         - Apple G5 machines
>
>         Caveats:
>         - Do not run ofwdump on an SMP system, as it can cause hangs
>         (also a 32-bit bug)
>         - Many ports (e.g. X and GTK) need patches not currently in
>         the ports tree to compile, since this is a new platform
>
>         Instructions:
>         svn co http://svn.freebsd.org/base/projects/ppc64
>         cd ppc64
>         make buildworld buildkernel installkernel installworld
>         distribution DESTDIR=/path/to/installation TARGET_ARCH=powerpc64
>
>         I would appreciate any feedback or tests, as well as testing
>         on 32-bit Book-E systems to make sure I did not break
>         anything. Many thanks to Andreas Tobler for his tireless
>         testing efforts during development of this port.
>         -Nathan
>
>
>     I've finally had a chance to test it, but it hangs with the string
>
>     Kernel entry at 0x1034e0...
>
>     nothing more.  I tried booting verbose, but that gave nothing, it
>     looks like it may not even be leaving the loader.
>
>     - Justin
>
>
> I just tried a fresh head boot, and I got the same thing loading a 
> ppc32 kernel.  Trying with hw.physmem=512M (the machine has 4GB 
> physical memory) failed as well, and loading a ppc32 kernel from 
> loader.ppc64 same result.  Any ideas of how to continue debugging this?
>
> - Justin
This sounds like an issue with syscons. Can you try setting 
hw.syscons.disable=1 from the loader? That should make the kernel fall 
back to the Open Firmware text console.
-Nathan



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