linux-kernel - Re: 4.15.17 regression: bisected: timeout during microcode update

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Message-ID: <20180418100721.GA5866@pd.tnic>
Date:   Wed, 18 Apr 2018 12:07:21 +0200
From:   Borislav Petkov <bp@...e.de>
To:     Vitezslav Samel <vitezslav@...el.cz>
Cc:     Ashok Raj <ashok.raj@...el.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: 4.15.17 regression: bisected: timeout during microcode update

On Wed, Apr 18, 2018 at 10:11:40AM +0200, Vitezslav Samel wrote:
>   Could be done anything to prevent this panic?

Yes, for starters, is there anything preventing you from using an initrd
and doing early microcode loading?

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/x86/microcode.txt

If no, consider doing that and not using the late method which is
problematic at best.

-- 
Regards/Gruss,
    Boris.

SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nürnberg)
--