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Date: Mon, 10 Oct 2005 15:15:05 +1000
From: Peter Grehan <grehan@freebsd.org>
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To: Tim Simmons <TimSimmons@championrealty.com>
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Cc: freebsd-ppc@freebsd.org
Subject: Re: Panic on boot from CD
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Hi Tim,

> Greetings all, Having an issue booting for the install cd
> 6.0-20050518-SNAP-powerpc-disc1.iso. 
> 
> I get the prompt to press enter to boot (booting /boot/kernel/kernel in x
> seconds), and if I hit enter or let it boot automatically, I get:
> 
> KDB: debugger backends: ddb
> 
> KDB: current backend: ddb
> 
> Panic: mutex All locks list not owned at /usr/src/sys/kern/kern_mutex.c:299
> 
> KDB: enter: panic
  ...
> Any thoughts? Thanks.

  Would that be an eMac by any chance ? :)

  I've yet to get to the bottom of this, though I have an idea or two as 
to why it's happening.

  In the meantime, the workaround (at least on my ageing eMac), is to 
break into OpenFirmware (cmd-opt-o-f at the boot chime) and manually 
boot from the OpenFirmware prompt

  0 > boot cd:,\boot\loader cd:0

later,

Peter.