Erhard Furtner <erhar...@mailbox.org> writes: > Greetings! > > Basically bcachefs works on ppc32 but I get stack overflows like this one > rather easy: > > [...] > do_IRQ: stack overflow: 1072 > CPU: 1 PID: 2114 Comm: bash Not tainted 6.10.5-gentoo-PMacG4 #1 > Hardware name: PowerMac3,6 7455 0x80010303 PowerMac > Call Trace: > [effe3fc0] [c0785664] dump_stack_lvl+0x70/0x8c (unreliable) > [effe3fe0] [c00081fc] __do_irq+0x28/0x80 > [effe3ff0] [c000873c] __do_IRQ+0x7c/0x84 > [c8aec430] [c8aec610] 0xc8aec610 ^ That's your lowest frame on the process stack. It should actually extend down to c8aec000, so you had a little bit of space left.
CONFIG_DEBUG_STACKOVERFLOW warns when you have less than 1/4 of the stack free. You could try turning it off and see if the system survives. The other thing to try would be increasing the THREAD_SHIFT to 14. cheers
