Re: [BUG] amd-ucode 20250808: "No sha256 digest for patch ID: 0xa0011de" on Linux 6.12.37

[Jinpu Wang]

Hi Boris,

Thank you for the quick help and for clarifying the situation. I
apologize for overlooking the information in the `amd-ucode/README`
file regarding the required minimum base microcode version.

Thanks,
Jinpu

On Tue, Aug 19, 2025 at 12:55 PM Borislav Petkov <bp@xxxxxxxxx> wrote:
>
> On Tue, Aug 19, 2025 at 08:14:50AM +0200, Jinpu Wang wrote:
> > Upon boot, the following error is reported in dmesg:
> > `microcode: No sha256 digest for patch ID: 0xa0011de found`
>
> [boris@zn: ~/kernel/firmware-linux> less amd-ucode/README
>
> ...
>
>   Family=0x19 Model=0x01 Stepping=0x01: Patch=0x0a0011de Length=5568 bytes
>     Minimum base ucode version for loading: 0x0a0011d9
>
> So you need to update your BIOS in order to be able to load 11de.
>
> HTH.
>
> --
> Regards/Gruss,
>     Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette