From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <38BC513A.9893292D@pop.agri.ch> Date: Wed, 01 Mar 2000 00:07:39 +0100 From: Andreas Tobler Reply-To: toa@pop.agri.ch MIME-Version: 1.0 To: Michael Schmitz CC: Benjamin Herrenschmidt , paulus@linuxcare.com, linuxppc-dev@lists.linuxppc.org Subject: Re: PPC should not use -fno-builtin (was Re: 2.3.47 imac build?) References: Content-Type: text/plain; charset=us-ascii Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: Michael Schmitz wrote: > > > >The way it fails booting is a bit entertaining: using BootX 1.1.3, it will > > >show a little more than half a page of messages (arch_exit or similar in > > >the last), then starts drawing funny color fringes on the screen until I > > >reset. Using BootX 1.2b3, it locks up after the first six or so lines of > > >text (before getting to the early console output). 2.3.29 worked fine. Any > > >ideas? > > > > I think I know what's going on: > > > > - make sure setting the display BAT in arch/ppc/mm/init.c (MMU_Init) is > > commented out, this is a hack and need some alignement tricks to work in > > all cases. It should already be in #if 0/#endif > > Check. > > > - in arch/ppc/kernel/pmac_setup.c, comment out the content of the > > function pmac_progress. (Or change pmac_init() so that it sets > > ppc_md.progress to NULL, and set it to pmac_progress only pmac_setup_arch()). > > Tried both. I get the arch: exit if I set ppc_md.progress in pmac_setup > arch. Shortly after this output, the color fringe fun starts again. > > I'll strip my .config to the bare minimum to narrow this down. Thanks for > getting me this far :-) Well, I wanted to reply earlier, but unfortunately my telco dropped my line for two hours and I was thinking about having destroied my modems until I had a look to my /var/log/messages arghhhh. What I did: I have both trees living around on my PB. I did a diff against the linux-pmac-devel/arch/ppc and patched the missing things. I know a bit dangerous, but it did the trick. It's not only the things Ben mentioned, also the drawx vs. prom_drawx are necessary I think. So it boots on an Wallstreet I, AND on an ancient pm7200!! I may post a patch, but I'm not quite satiesfied with since I don't know at all what's really necessary. Sorry, but I think it's better not to distribute a wrong patch. Andreas ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/