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AJvYcCWfQYt6leVTTPNAre9QYhDWgdczeF0bAWs2P72AO4HyKUyhM8G9UWlYG8V1ERSznrdZCmISv1Tlia6I0CQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yxnuq/E/cnlbmrkwgXG1I8ugbxbMQZQns17UY92QLZMyamo8hBV l/c4nyhF4k7+NeZKlriAGTRnOZLwDt6GFUcIwbqTrqfGme0ynIXdV6Wwyrgy8NE= X-Google-Smtp-Source: AGHT+IFAh+je2v03pVnvhk/+yEtAQabCicAv13KOXe033JZQY+kaosl7Y0Zvxqb4nHpim46gA7G2Pw== X-Received: by 2002:a05:6e02:b2d:b0:3a2:4cc4:cfd with SMTP id e9e14a558f8ab-3a3f40742b4mr30344645ab.14.1729270100431; Fri, 18 Oct 2024 09:48:20 -0700 (PDT) Received: from [192.168.1.116] ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4dc10c6d327sm493873173.174.2024.10.18.09.48.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Oct 2024 09:48:19 -0700 (PDT) Message-ID: <320024ab-63af-45eb-a3ae-5486cb2015c0@kernel.dk> Date: Fri, 18 Oct 2024 10:48:19 -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: <13fe104b-d83b-4d6d-a348-1103d402540d@kernel.dk> <20241017100257.GAZxDg0VqDAesee00m@fat_crate.local> <3400cf0b-85ca-4ec2-a8a0-c9d75889d573@kernel.dk> <20241017141314.GDZxEbenNT6XF4jIaA@fat_crate.local> <4d4bf52a-dd91-48ad-8949-198b2ffbc9da@kernel.dk> <20241017142707.GEZxEeu3YHvnEMmd32@fat_crate.local> <20241018115857.GBZxJNgZY-NedtPrxX@fat_crate.local> <20241018124943.GDZxJZZxtwA9O9eqiU@fat_crate.local> <79296353-1fa3-458a-b055-88bc6a772180@kernel.dk> <20241018155143.GIZxKED9YcF0Jg1CWZ@fat_crate.local> Content-Language: en-US From: Jens Axboe In-Reply-To: <20241018155143.GIZxKED9YcF0Jg1CWZ@fat_crate.local> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/18/24 9:51 AM, Borislav Petkov 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 > [ 37.770789] microcode: Current revision: 0x0aa00215 > [ 37.776231] microcode: Updated early from: 0x0aa00215 > > and both boot with my debugging patch just fine. > > Hmm. Funky... Not sure I'll have time to get a serial console on this thing before next week. Like I mentioned before -rc1, maybe we revert this change and I'll be happy to test patches as time permits? -- Jens Axboe