Date: Tue, 13 Sep 2016 10:28:02 -0700 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: freebsd-ppc@freebsd.org Subject: Re: [Bug 205458] 11.0-CURRENT/10-STABLE powerpc64: a PowerMac G5 specific sys/powerpc/ofw/ofw_machdep.c change for reliable PowerMac G5 booting (with lots of RAM) Message-ID: <c17aff4d-6fcb-60b7-45d5-4294eb14d452@freebsd.org> In-Reply-To: <3c513eea-cd94-7065-87b8-5200490b97c3@gmail.com> References: <bug-205458-21@https.bugs.freebsd.org/bugzilla/> <bug-205458-21-34YnzZWuVY@https.bugs.freebsd.org/bugzilla/> <3c513eea-cd94-7065-87b8-5200490b97c3@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Maybe firmware needs SPRG1-3 restored? Any chance you could try deleting the mtsprg1-3 one-by-one? -Nathan On 09/13/16 10:11, Jukka A. Ukkonen wrote: > On 09/13/16 09:31, bugzilla-noreply@freebsd.org wrote: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=205458 >> >> --- Comment #5 from Mark Millard <markmi@dsl-only.net> --- >> Nathan Whitehorn has put out a kernel patch that he is asking for help with >> testing on PowerMac/iMac G5 variations. See: >> >> https://lists.freebsd.org/pipermail/freebsd-ppc/2016-September/008413.html >> >> The patch is not just using __powerpc64__ instead of POWERMAC_G5_SPECIFIC_BUILD >> in my presentation of my hack. >> >> Nathan has already tested a PowerMac11,2. >> >> If anyone reading this has any other type(s) of Apple G5's and is willing/able >> it would be good to get in some testing before the change is made to the >> kernel. >> >> I expect that it does not mater much which version/variation of 10.x, 11.0, or >> 12 is used if the original boot problems can sometimes be observed before the >> change. Although I'm not sure of the patch automatically applies nicely to all >> possible vintages of those. >> >> >> As for me. . . >> >> It will be a few weeks before I'll again have access in order to test a >> PowerMac7,2 (or to independently repeat PowerMac11,2 testing). I'll not have >> access to other Apple G5's. So my range of testing will be rather limited and >> will not be soon. >> > Following Mark's advice I tried an alternate change and > now at least my PowerMac7,3 boots just fine through the > autoconfigure phase. The first hiccup I see is with tmpfs > mount to /tmp, but that, I hope, it is a completely > unrelated issue. > > The patch I am now using on my PowerMac G5 is attached. > The modification is Mark's, I just tested it. I don't have > the foggiest idea where and how he figured out this change, > but at least in my test on one system only it seems to > work wonders. > > --jau > > > PS. > If someone knows why the tmpfs has started complaining > > mount: tmpfs: Operation not supported by device > > where it previously (last 11.0-BETA2) worked just fine, > let me know. > > > > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org"
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?c17aff4d-6fcb-60b7-45d5-4294eb14d452>