* Stan Johnson ([email protected]) wrote: > Please see the attached config file that Finn sent to me along with his > patch. The relevant line is "CONFIG_BOOTX_TEXT=y"; without that, the kernel > boots on the Wallstreet.
Thanks - I'll have a play. Dave > On 11/4/25 10:59 AM, Dr. David Alan Gilbert wrote: > > * Finn Thain ([email protected]) wrote: > > > > > > On Mon, 3 Nov 2025, Dr. David Alan Gilbert wrote: > > > > > > > > > > > > Anyway, I imagine that the problem with your patch was that it relies > > > > > on font data from a different (read only) section, which is > > > > > unavailable for some reason (MMU not fully configured yet?) > > > > > > > > > > So I've asked Stan to test a patch that simply removes the relevant > > > > > 'const' keywords. It's not a solution, but might narrow-down the > > > > > search. > > > > > > > > > > Stan tested my patch to remove 'const' from the font_desc and font_data > > > structs but it did not help. (There goes that theory.) > > > > > > > I wonder if this is a compiler-flag-ism; I see > > > > arch/powerpc/kernel/Makefile has a pile of special flags, and for > > > > btext.o it has a -fPIC (as well as turning off some other flags). I > > > > wonder if bodging those in lib/fonts/Makefile for > > > > lib/fonts/font_sun8x16.c fixes it? But... this is data - there's no code > > > > is there - are any of those flags relevant for data only? > > > > > > > > > > I don't know. But I'm sure Stan would be willing to test a patch for you. > > > > Can one of you point me at the config you're testing with so I can > > try some builds with it. > > > > Dave > > > > > > > > > > > > The BootX bootloader doesn't work on New World systems, which is > > > > > probably why we don't see this regression on anything newer than a > > > > > Wallstreet. > > > > > > > > > > It's likely that other Old World systems are also affected, if they > > > > > are using BootX. We don't yet know whether the regression also affects > > > > > Old World systems using the iQUIK bootloader instead of BootX. > > > > > > > > OK, remember I don't think I've ever tried PPC via MacOS booting, so not > > > > familiar with it. > > > > > > > > > > I will try to set up a MacOS guest in QEMU, to see if the hang can be > > > reproduced that way. > > > -- -----Open up your eyes, open up your mind, open up your code ------- / Dr. David Alan Gilbert | Running GNU/Linux | Happy \ \ dave @ treblig.org | | In Hex / \ _________________________|_____ http://www.treblig.org |_______/
