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AJvYcCWo926C3smFyqRKM01NAFvMHTKLTFDIiuo9A25XPJ7K1GRE5mdPqfoQTgOoO2qh1G801T9SZr7lYFEBSOM=@vger.kernel.org X-Gm-Message-State: AOJu0YxnMCwNNQIWhEQLlag1eA8iWk/V747rowCuOx4JGNhFWRyO0PyT nONgR7ktJU5WuJ2/8jIsZvQH8LvxEqYekCo4Y/ypIca7Gi8JdPgWLtgm8ZbK8yw= X-Google-Smtp-Source: AGHT+IFeylxJB+BrRDiwJcZ2ACKQfqwRzp6C9c9ZmanBqyrah5yhHpghkWrJLJsQuqCUJP7Ete/9bA== X-Received: by 2002:a05:6a20:e605:b0:1d9:1907:aa2b with SMTP id adf61e73a8af0-1d91907af95mr5986334637.1.1729174992039; Thu, 17 Oct 2024 07:23:12 -0700 (PDT) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7ea9c6ba2a8sm5066138a12.6.2024.10.17.07.23.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Oct 2024 07:23:11 -0700 (PDT) Message-ID: <4d4bf52a-dd91-48ad-8949-198b2ffbc9da@kernel.dk> Date: Thu, 17 Oct 2024 08:23:10 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org 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: <20241009091247.GCZwZJDwFETmN5pEGe@fat_crate.local> <77f16324-47e1-41e6-a9e9-2cb7cbc8d14d@kernel.dk> <20241010134613.GDZwfapaZ8AKp0n72C@fat_crate.local> <842a76fe-3d6a-4846-83da-bb113634b8bc@kernel.dk> <13fe104b-d83b-4d6d-a348-1103d402540d@kernel.dk> <20241017100257.GAZxDg0VqDAesee00m@fat_crate.local> <3400cf0b-85ca-4ec2-a8a0-c9d75889d573@kernel.dk> <20241017141314.GDZxEbenNT6XF4jIaA@fat_crate.local> Content-Language: en-US From: Jens Axboe In-Reply-To: <20241017141314.GDZxEbenNT6XF4jIaA@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/17/24 8:13 AM, Borislav Petkov wrote: > 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? Yep, it boots with that added on current -git WITH the microcode package installed. -- Jens Axboe