linux-kernel - Re: Problem with late AMD microcode reload/feedback

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Message-ID: <20181216000510.GC6693@zn.tnic>
Date:   Sun, 16 Dec 2018 01:05:10 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Problem with late AMD microcode reload/feedback

On Sun, Dec 16, 2018 at 12:46:05AM +0100, Rafał Miłecki wrote:
> [19.736770] microcode: [find_equiv_id] sig:8458000

That's your CPU's family/model/stepping: 0x0810f10

> [19.736772] microcode: [find_equiv_id] equiv_table->installed_cpu:8392466
> [19.736775] microcode: [find_equiv_id] equiv_table->installed_cpu:8392578

and those are present on the system. Best to look at them in hex, btw:

0x0800f12
0x0800f82

Which means, there's no microcode for your CPU so nothing gets updated.

-- 
Regards/Gruss,
    Boris.

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