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

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Message-ID: <20241017141314.GDZxEbenNT6XF4jIaA@fat_crate.local>
Date: Thu, 17 Oct 2024 16:13:14 +0200
From: Borislav Petkov <bp@...en8.de>
To: Jens Axboe <axboe@...nel.dk>
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 Thu, Oct 17, 2024 at 08:05:09AM -0600, Jens Axboe wrote:
> Same thing, doesn't boot, just hangs after loading the kernel.

Ohh, so it is not the patch application but something else in the code.

I presume "dis_ucode_ldr" on the kernel cmdline makes it boot?

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette