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AJvYcCUSw7girIuyki1UgPZFfuakCpk4A+gas/LR7Bu9W18TNPku1kMVCjaUKSXg9ZQvfOCqQEWb+3F8HM9+aWE=@vger.kernel.org X-Gm-Message-State: AOJu0YwLZ8ZlAZ/rB8sg9MPvVqdu2Apu0x43YjXJg6i0ofjeI4hUYWYS dZnGQxyzVkCrSMq7XvEq0DJPjkny9PXPvRsedPb0+uNKKUcbBSEK0Exy1joZP5Q= X-Google-Smtp-Source: AGHT+IEPlYb+DxeCpUtrmzvV4jpB/7wPYMRwmw1C+8y9sir94HhOaj5Up0Hc08t4bY8iVVhiJFRp+w== X-Received: by 2002:a05:6a00:2e11:b0:71e:6ed:9108 with SMTP id d2e1a72fcca58-71e4c13db67mr26050685b3a.2.1729132451589; Wed, 16 Oct 2024 19:34:11 -0700 (PDT) Received: from [192.168.1.150] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71e774cbcf1sm3750124b3a.157.2024.10.16.19.34.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 16 Oct 2024 19:34:10 -0700 (PDT) Message-ID: <13fe104b-d83b-4d6d-a348-1103d402540d@kernel.dk> Date: Wed, 16 Oct 2024 20:34:09 -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 From: Jens Axboe To: Borislav Petkov Cc: Thomas Gleixner , the arch/x86 maintainers , LKML , "regressions@lists.linux.dev" References: <91194406-3fdf-4e38-9838-d334af538f74@kernel.dk> <20240928061038.GAZved3hMSU3XahWrJ@fat_crate.local> <5fe1e264-c285-4988-b1e3-46771d07172b@kernel.dk> <20240930044313.GAZvosYZF5mHi2OZbC@fat_crate.local> <20241009091247.GCZwZJDwFETmN5pEGe@fat_crate.local> <77f16324-47e1-41e6-a9e9-2cb7cbc8d14d@kernel.dk> <20241010134613.GDZwfapaZ8AKp0n72C@fat_crate.local> <842a76fe-3d6a-4846-83da-bb113634b8bc@kernel.dk> Content-Language: en-US In-Reply-To: <842a76fe-3d6a-4846-83da-bb113634b8bc@kernel.dk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/10/24 7:50 AM, Jens Axboe wrote: > On 10/10/24 7:46 AM, Borislav Petkov wrote: >> On Wed, Oct 09, 2024 at 05:04:23AM -0600, Jens Axboe wrote: >>> Yep, 0xaa00215 >> >> Found something: I'm not handling the stepping properly, below is a big diff >> along with debug printks. Can you pls run it and send me dmesg. I'm assuming >> the box will boot with it. > > Sure will give it a spin. The box is tied up with testing for now, but > I should be able to run this later today and send you the output. And then I totally forgot... Got it done now, but it still just hangs after loading the kernel. No output. -- Jens Axboe