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

Emil Renner Berthing emil.renner.berthing at canonical.com
Fri Jul 28 03:23:12 PDT 2023


On Fri, 28 Jul 2023 at 12:07, Xi Ruoyao <xry111 at linuxfromscratch.org> wrote:
>
> 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?

You've probably run into this issue:
https://lore.kernel.org/linux-riscv/20230716001506.3506041-1-guoren@kernel.org/

Try applying those two patches.

/Emil



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