From: "Dr. David Alan Gilbert" <linux@treblig.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Jens Axboe <axboe@kernel.dk>,
Thomas Gleixner <tglx@linutronix.de>,
the arch/x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"regressions@lists.linux.dev" <regressions@lists.linux.dev>
Subject: Re: AMD zen microcode updates breaks boot
Date: Fri, 18 Oct 2024 16:45:47 +0000 [thread overview]
Message-ID: <ZxKQux4I8We0Ax3-@gallifrey> (raw)
In-Reply-To: <20241018155143.GIZxKED9YcF0Jg1CWZ@fat_crate.local>
* Borislav Petkov (bp@alien8.de) wrote:
> On Fri, Oct 18, 2024 at 07:30:15AM -0600, Jens Axboe wrote:
> > At least on mine, the BIOS has an option that says something like "L3
> > cache as numa domain", which is on and why there's 32 nodes on that box.
> > It's pretty handy for testing since there's a crap ton of CPUs, as it
> > makes affinity handling easier.
>
> Right, so two boxes I tested with this:
>
> * 2 socket, a bit different microcode:
>
> [ 22.947525] smp: Brought up 32 nodes, 512 CPUs
>
> * your CPU, one socket:
>
> [ 26.830137] smp: Brought up 16 nodes, 255 CPUs
(Probably unrelated but...)
What happened to number 256 ?
Dave
> [ 37.770789] microcode: Current revision: 0x0aa00215
> [ 37.776231] microcode: Updated early from: 0x0aa00215
>
> and both boot with my debugging patch just fine.
>
> Hmm.
>
> --
> Regards/Gruss,
> Boris.
>
> https://people.kernel.org/tglx/notes-about-netiquette
>
--
-----Open up your eyes, open up your mind, open up your code -------
/ Dr. David Alan Gilbert | Running GNU/Linux | Happy \
\ dave @ treblig.org | | In Hex /
\ _________________________|_____ http://www.treblig.org |_______/
next prev parent reply other threads:[~2024-10-18 16:46 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-27 15:17 AMD zen microcode updates breaks boot Jens Axboe
2024-09-28 6:10 ` Borislav Petkov
2024-09-28 11:31 ` Jens Axboe
2024-09-30 4:43 ` Borislav Petkov
2024-09-30 12:27 ` Jens Axboe
2024-09-30 16:16 ` Borislav Petkov
2024-09-30 16:25 ` Jens Axboe
2024-10-09 9:12 ` Borislav Petkov
2024-10-09 11:04 ` Jens Axboe
2024-10-10 13:46 ` Borislav Petkov
2024-10-10 13:50 ` Jens Axboe
2024-10-17 2:34 ` Jens Axboe
2024-10-17 10:02 ` Borislav Petkov
2024-10-17 14:05 ` Jens Axboe
2024-10-17 14:13 ` Borislav Petkov
2024-10-17 14:23 ` Jens Axboe
2024-10-17 14:27 ` Borislav Petkov
2024-10-17 14:40 ` Jens Axboe
2024-10-18 11:58 ` Borislav Petkov
2024-10-18 12:49 ` Borislav Petkov
2024-10-18 13:30 ` Jens Axboe
2024-10-18 15:51 ` Borislav Petkov
2024-10-18 16:45 ` Dr. David Alan Gilbert [this message]
2024-10-18 16:47 ` Jens Axboe
2024-10-18 17:59 ` Dr. David Alan Gilbert
2024-10-18 16:48 ` Jens Axboe
2024-10-18 17:56 ` Borislav Petkov
2024-10-18 18:03 ` Jens Axboe
2024-10-18 23:01 ` Jens Axboe
2024-10-19 9:37 ` Borislav Petkov
2024-10-19 13:54 ` Jens Axboe
2024-10-19 23:21 ` Borislav Petkov
2024-10-20 3:24 ` Jens Axboe
2024-10-20 12:18 ` Borislav Petkov
2024-10-21 0:47 ` Jens Axboe
2024-10-21 7:31 ` Borislav Petkov
2024-10-21 17:00 ` Jens Axboe
2024-10-22 12:05 ` Borislav Petkov
2024-10-22 12:07 ` [PATCH 1/2] x86/microcode/AMD: Pay attention to the stepping dynamically Borislav Petkov
2024-10-22 12:08 ` [PATCH 2/2] x86/microcode/AMD: Split load_microcode_amd() Borislav Petkov
2024-10-22 13:15 ` Jens Axboe
2024-10-22 14:33 ` Borislav Petkov
2024-10-22 16:08 ` [tip: x86/urgent] x86/microcode/AMD: Pay attention to the stepping dynamically tip-bot2 for Borislav Petkov (AMD)
2024-10-22 16:08 ` [tip: x86/urgent] x86/microcode/AMD: Split load_microcode_amd() tip-bot2 for Borislav Petkov (AMD)
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