linux-kernel - Re: AMD zen microcode updates breaks boot

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Message-ID: <3400cf0b-85ca-4ec2-a8a0-c9d75889d573@kernel.dk>
Date: Thu, 17 Oct 2024 08:05:09 -0600
From: Jens Axboe <axboe@...nel.dk>
To: Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>,
 the arch/x86 maintainers <x86@...nel.org>,
 LKML <linux-kernel@...r.kernel.org>,
 "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Subject: Re: AMD zen microcode updates breaks boot

On 10/17/24 4:02 AM, Borislav Petkov wrote:
> On Wed, Oct 16, 2024 at 08:34:09PM -0600, Jens Axboe wrote:
>> And then I totally forgot... Got it done now, but it still just hangs
>> after loading the kernel. No output.
> 
> Hmm...
> 
> Let's verify it still actually selects the correct patch. Diff below, it
> should boot with it as it won't apply the microcode and you should be able to
> gather dmesg.

Same thing, doesn't boot, just hangs after loading the kernel.

-- 
Jens Axboe