Panic on boot from CD
John Baldwin
jhb at freebsd.org
Wed Oct 12 13:32:04 PDT 2005
On Monday 10 October 2005 01:15 am, Peter Grehan wrote:
> 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.
Perhaps something is trying to do a mtx_init() or mtx_destroy() before
mutex_init() has been called?
--
John Baldwin <jhb at FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve" = http://www.FreeBSD.org
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