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AJvYcCVUkxCyViEiCppc/OwVQTkqacFaXwbOXJWt250p61vAvVlFUCsPm9hRkk5U440C1aU8QN03x32fMZHs1w==@lists.linux.dev X-Gm-Message-State: AOJu0YzV6McR97knv4Ldqr4eDQgUriOAoHvgg/3grULtJbfHFNNLKytT iD1SRpVT+VhW8cFg/qLu/PnGy/Sy3nmnBxDggfLLMOTFRy1ZgCneM6+zM7xTWUE= X-Google-Smtp-Source: AGHT+IGVp9T6pGjNOnVfMsOCjRFetBtb2uqMCM0VJgtnNP4wYNtnbYheNWRYc351ZZ93jN9AJRwdTw== X-Received: by 2002:a05:6602:1584:b0:83a:b43b:da89 with SMTP id ca18e2360f4ac-83aba63ff0cmr1327422939f.10.1729530028275; Mon, 21 Oct 2024 10:00:28 -0700 (PDT) Received: from [192.168.1.116] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4dc2a609491sm1098928173.113.2024.10.21.10.00.27 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Oct 2024 10:00:27 -0700 (PDT) Message-ID: Date: Mon, 21 Oct 2024 11:00:26 -0600 Precedence: bulk X-Mailing-List: regressions@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: AMD zen microcode updates breaks boot To: Borislav Petkov Cc: Thomas Gleixner , the arch/x86 maintainers , LKML , "regressions@lists.linux.dev" References: <320024ab-63af-45eb-a3ae-5486cb2015c0@kernel.dk> <20241018175606.GJZxKhNmW9nCLwNS6Z@fat_crate.local> <016ecb00-2331-472c-88e4-66b1dbecfc99@kernel.dk> <1bb5dd7f-15b5-4d9d-97ef-75ebdc24e7d9@kernel.dk> <20241019093748.GAZxN97LS_dJ3DNrpd@fat_crate.local> <436b4fc7-6369-40d9-8e88-556cbf5a5687@kernel.dk> <20241019232138.GDZxQ_AtkqA9iAR2td@fat_crate.local> <20241020121819.GAZxT1CyR_5vLLZ5e6@fat_crate.local> <20241021073140.GAZxYDXCk02lSrG3-T@fat_crate.local> Content-Language: en-US From: Jens Axboe In-Reply-To: <20241021073140.GAZxYDXCk02lSrG3-T@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit 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