Date: Thu, 13 Oct 2005 06:40:45 +1000 From: Peter Grehan <grehan@freebsd.org> To: John Baldwin <jhb@freebsd.org> Cc: freebsd-ppc@freebsd.org Subject: Re: Panic on boot from CD Message-ID: <434D74CD.4020103@freebsd.org> In-Reply-To: <200510121553.14347.jhb@freebsd.org> References: <001901c5cab0$5b047200$13b46743@TIM> <4349F8D9.4070209@freebsd.org> <200510121553.14347.jhb@freebsd.org>
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> Perhaps something is trying to do a mtx_init() or mtx_destroy() before > mutex_init() has been called? I *think* it's due to the fact that I'm not saving/restoring the SPRG0-3 registers when calling into OpenFirmware. It only shows up when you boot holding down the 'C' key, but works fine when dropping into OpenFirmware and manually booting. There's a similar problem on the B&W G3 when booting from the ATA drive. The panic message is related to memory corruption that occurrs - a mutex is getting zeroed. later, Peter.
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