Date: Tue, 22 Jun 2010 16:02:47 +0200 From: Marco Trillo <marcotrillo@gmail.com> To: Paul Mather <paul@gromit.dlib.vt.edu> Cc: freebsd-ppc@freebsd.org Subject: Re: 8.1-RC1 fails to boot on iBook G4 Message-ID: <AANLkTilMoNQVHuhmjGdE2I8s_6i_nRzQjB0kPzekvjdJ@mail.gmail.com> In-Reply-To: <1D327CFF-291D-4AC1-89F4-24A689303475@gromit.dlib.vt.edu> References: <ACC43406-4175-40E5-A974-A72A54EF55E8@gromit.dlib.vt.edu> <4C1A253C.7040905@freebsd.org> <1D327CFF-291D-4AC1-89F4-24A689303475@gromit.dlib.vt.edu>
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Hi, On 6/19/10, Paul Mather <paul@gromit.dlib.vt.edu> wrote: > Almost always, I get the "Decrementer exception" error above, but once I got > something akin to a "Memory access error" reported, with the same %SRR0 and > %SRR1 values. I even reset the iBook's PRAM via Command-Option-P-R, but to > no avail. Hmm... that "invalid memory access" looks exactly like the problem my eMac has to boot kernels past 7.0: <http://lists.freebsd.org/pipermail/freebsd-ppc/2008-September/003118.html>; You can try the 7.x CDs. If those do boot, then it looks like the same problem. Unfortunately, the fix requires access to a working installation. It consists of patching the file <src/sys/conf/ldscript.powerpc> to CVS revision 1.7 and relinking the kernel. That moves the kernel start a bit after 00100100, which seems to make the firmware happy. Regards Marco
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