On Mon, 10 Nov 2025 10:30:22 +1100, Finn Thain wrote:
Since Linux v6.7, booting using BootX on an Old World PowerMac produces an early crash. Stan Johnson writes, "the symptoms are that the screen goes blank and the backlight stays on, and the system freezes (Linux doesn't boot)."
Further testing revealed that the failure can be avoided by disabling CONFIG_BOOTX_TEXT. Bisection revealed that the regression was caused by a change to the font bitmap pointer that's used when btext_init() begins painting characters on the display, early in the boot process.
[...]
Applied to powerpc/fixes.
[1/1] powerpc: Add reloc_offset() to font bitmap pointer used for bootx_printf() https://git.kernel.org/powerpc/c/b94b73567561642323617155bf4ee24ef0d258fe
cheers