Re: [PATCH v3 0/8] Add Sipeed Lichee Pi 4A RISC-V board support

From: Xi Ruoyao
Date: Fri Jul 28 2023 - 06:06:11 EST


On Fri, 2023-07-28 at 15:40 +0800, Xi Ruoyao wrote:
> On Fri, 2023-07-28 at 00:04 -0700, Drew Fustini wrote:
> > It seems like your kernel config is the problem. I used it and I saw
> > the same result of a panic in riscv_intc_irq:
> > https://gist.github.com/pdp7/1a26ebe20017a3b90c4e9c005f8178e1
> >
> > This is the config I have been using successfully:
> > https://gist.github.com/pdp7/ecb34ba1e93fc6cfc4dce66d71e14f82
> >
> > Could you try that config?
> >
> > Linux 6.5-rc3 boots okay when built with it:
> > https://gist.github.com/pdp7/580b072f9a5bf9be87cf88b5f81e50e3
>
> Yes, your configuration works.
>
> I'll try to figure out which specific configuration item is problematic
> in my origin one...

Ah, I found it... If I deselect CONFIG_FRAME_POINTER it will crash.

And I see RISC-V selects ARCH_WANT_FRAME_POINTERS, so it seems frame
pointer is mandated. But then why I'm able to deselect
CONFIG_FRAME_POINTER?