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

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Message-ID: <d7aff674-ad92-4a36-9ebf-8d3c42774723@kernel.dk>
Date: Mon, 30 Sep 2024 06:27:03 -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 9/29/24 10:43 PM, Borislav Petkov wrote:
> On Sat, Sep 28, 2024 at 05:31:36AM -0600, Jens Axboe wrote:
>> as the box is running debian testing/unstable.
> 
> Thanks, I need to go find a box like yours to try to reproduce it there,
> after I get back from vacation.
> 
> In the meantime, you can add "dis_ucode_ldr" to the kernel cmdline if
> you want to boot the box with -rc1.

Would it perhaps be an idea to revert the cleanup until then? I can't
be the only one hit by this. We obviously missed -rc1 now, but...

CC'ing the regressions list to keep track of this.

-- 
Jens Axboe