Date: Mon, 15 Oct 2001 08:28:15 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Peter Wemm <peter@wemm.org> Cc: Marcel Moolenaar <marcel@xcllnt.net>, <ia64@FreeBSD.ORG> Subject: Re: OK.. what's the secret for ski now? Message-ID: <20011015082735.Y549-100000@salmon.nlsystems.com> In-Reply-To: <20011015064018.0B3C9380F@overcee.netplex.com.au>
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On Sun, 14 Oct 2001, Peter Wemm wrote:
> Marcel Moolenaar wrote:
> > On Sun, Oct 14, 2001 at 10:34:23PM -0700, Peter Wemm wrote:
> > >
> > > Stopped at 0xe0000000007d72e1: ld4 r15=[r14]
> > > db> 60000e
> > > ?
> > > db> c
> > >
> > > This happened with both the GENERIC and SKI kernels. I'm guessing that
> > > some dependency on EFI/SAL/whatever has crept in and is not conditional.
> >
> > It looks like the descriptor count is 0 (in machdep.c). I guess
> > md != NULL while dcount == 0. The following should help:
> >
> > Index: machdep.c
> > ===================================================================
> > RCS file: /home/ncvs/src/sys/ia64/ia64/machdep.c,v
> > retrieving revision 1.55
> > diff -u -r1.55 machdep.c
> > --- machdep.c 11 Oct 2001 12:31:50 -0000 1.55
> > +++ machdep.c 15 Oct 2001 06:28:05 -0000
> > @@ -528,7 +528,7 @@
> > */
> > mdcount = bootinfo.bi_memmap_size / bootinfo.bi_memdesc_size;
> > md = (EFI_MEMORY_DESCRIPTOR *) IA64_PHYS_TO_RR7(bootinfo.bi_memmap);
> > - if (!md) {
> > + if (md == NULL || mdcount == 0) {
> > #ifdef SKI
> > static EFI_MEMORY_DESCRIPTOR ski_md[2];
> > /*
>
> Yes, that got over that hurdle.. The next is:
>
> loading kernel.ski...
> starting kernel...
> No system table!
> Copyright (c) 1992-2001 The FreeBSD Project.
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> The Regents of the University of California. All rights reserved.
> FreeBSD 5.0-CURRENT #1: Sun Oct 14 23:38:43 PDT 2001
> peter@overcee.netplex.com.au:/home/src/sys/ia64/compile/SKI
> panic: vm_page_wakeup: page not busy!!!
> panic
> Stopped at 0xe000000000753691: mov sp=r33
> db>
>
> bah. :-)
Try 'xski -i skiload.cmd skiload' in a directory containing
'boot/kernel/kenel'.
--
Doug Rabson Mail: dfr@nlsystems.com
Phone: +44 20 8348 6160
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