Sorry for the breakage and thanks for narrowing down the issue. I
think Arthur had also just figured out the same problem and uploaded a
quick fix here: https://review.coreboot.org/48407

On Sun, Dec 6, 2020 at 11:09 PM Iru Cai <mytbk920423@gmail.com> wrote:
>
> By using gdb, I can debug on QEMU. I can see in bootblock, romstage and postcar,
> when USE_OPTION_TABLE is set, the debug_level option is always read, so there
> is a cbfs_map_ro() in each stage. The buggy thing is in postcar stage, the cbfs mcache
> cannot be found, so its size becomes zero, then all the files in the cbfs cannot be loaded
> because of the mcache overflow, which results in failing to load the ramstage.
>
> On Mon, Dec 7, 2020 at 12:18 PM Iru Cai <mytbk920423@gmail.com> wrote:
>>
>> Confirmed on qemu-i440fx. It's strange that it already has different
>> behavior in romstage between setting and not setting
>> USE_OPTION_TABLE. I still don't know what is broken in this commit.
>>
>> On Sun, Dec 06, 2020 at 11:24:11PM +0100, Merlin Büge wrote:
>> >
>> > 9d0cc2aea9 cbfs: Introduce cbfs_ro_map() and cbfs_ro_load()
>> > https://review.coreboot.org/c/coreboot/+/39306
>> >
>
>
>
> --
> My website: https://vimacs.lcpu.club
>
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