On Mon, 13 Jan 2025, Magnus Lindholm wrote: > > Can you please retrieve the value of SP in `smp_call_function_single'? > > Just something such as: > > > > printk("SP: %016lx\n", __builtin_frame_address(0)); > > I will check! Always welcome, but please also see my other follow-up. > Also wondering if this may be relevant? > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=16660 The fix may have uncovered the stack pointer alignment breakage with the Alpha/Linux port. Maciej