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From: Jens Axboe <axboe@kernel.dk>
To: Borislav Petkov <bp@alien8.de>
Cc: 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: Mon, 21 Oct 2024 11:00:26 -0600	[thread overview]
Message-ID: <daa98312-cc66-4c2f-8e64-01358ee99305@kernel.dk> (raw)
In-Reply-To: <20241021073140.GAZxYDXCk02lSrG3-T@fat_crate.local>

On 10/21/24 1:31 AM, Borislav Petkov wrote:
> On Sun, Oct 20, 2024 at 06:47:25PM -0600, Jens Axboe wrote:
>> Works, outside of waiting 3 min for the serial console spewage from the
>> patch! But it boots and it's happy after that. Attached here gzip'ed as
>> it's 1.3M otherwise.
> 
> Thanks for testing.
> 
> Lemme write proper patches, run them everywhere here and give them to you for
> one final testing.

Sounds good, I'll give them a spin once posted.

>> root@r7625 ~# echo 1 > /sys/devices/system/cpu/microcode/reload
>> warning: An error occurred while redirecting file '/sys/devices/system/cpu/microcode/reload'
>> open: Permission denied
>>
>> and no output in dmesg.
> 
> Right, you need
> 
> CONFIG_MICROCODE_LATE_LOADING=y
> 
> for that.

Ah gotcha, makes sense.

-- 
Jens Axboe


  reply	other threads:[~2024-10-21 17:00 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
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 [this message]
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] " tip-bot2 for Borislav Petkov (AMD)
2024-10-22 16:08 ` [tip: x86/urgent] x86/microcode/AMD: Pay attention to the stepping dynamically tip-bot2 for Borislav Petkov (AMD)

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