From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F2A54263C65; Tue, 8 Apr 2025 07:18:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744096684; cv=none; b=tpe8eDOQonx5DxgXYyD1ja/I6DLH92NYbIGnhMp0FPiuyntABt+TA2gQd3q0AtQzINU68DtqxFd8bAXC2gwGC2tPFa0o38juq+IgEAkFYJzTOIlMDq4RWpBk6PAgYCPGbjpI1fUYuTS79bxOqR/hKZQ58vjIJ6KZ7DC036ULe/E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744096684; c=relaxed/simple; bh=yLd6IcW6lJvsrk+LUvLGk1/gDeKYIQrK4q/4qyc8fXg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=N0Z2b1bZbL4b7zGxzIn2yatvL0Z2DruRSASzKQIwbFNx5PMwnAqUQl2/PSbtXaGKMMsWlXOo2+LKfv5Wch2Ur4wbgtsPQcqMYw2CWOX+BB/tvEmMd9gMAFNi5Zgqh/RLNpsNNvGlxrV1t1+nrM7b82JOp0BYIGdsoGrEz6tQW2c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IDup7YAc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IDup7YAc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 08551C4CEE9; Tue, 8 Apr 2025 07:18:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1744096683; bh=yLd6IcW6lJvsrk+LUvLGk1/gDeKYIQrK4q/4qyc8fXg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=IDup7YAcj1ZG0KaL8ykqikS0/nd0X4dk22pG0/1XLReUm0Do+S7Si9likUiI1DG6Q My8JGR6kxKa19eYbnjHJwJfZg/jQL5oCSaJ9nXLwtRcvnLyx9RYvQOVp2ESp8vtWjs WUW2ZQq6bAvApeaekKsZinzWBlIIhXTYklfpUWIZo2UuNGqYrOywMBXJLn+RJBY2+I 4BSZnkTZZGLicMZqFl9cCYhssmunj6EUFSJlwFu19scF58UwVGN4lue6TupdSqzB+e R5W7d/LwM3MR4rL5CloEZOVr2tr5Dh1NmdcoR81uxkfrLlUHtRKdJ7UHiaZ4v8cyqE 3bHRMeO8iDXJQ== Date: Tue, 8 Apr 2025 09:17:58 +0200 From: Ingo Molnar To: Borislav Petkov Cc: Mario Limonciello , Jonathan Corbet , Thomas Gleixner , Ingo Molnar , Dave Hansen , "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" , "H . Peter Anvin" , "open list:DOCUMENTATION" , open list , Yazen Ghannam , Mario Limonciello Subject: Re: [PATCH 2/2] x86/CPU/AMD: Print the reason for the last reset Message-ID: References: <20250407162525.1357673-1-superm1@kernel.org> <20250407162525.1357673-2-superm1@kernel.org> <20250407214624.GEZ_RHsCPSfyM4r56w@fat_crate.local> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: * Ingo Molnar wrote: > > * Borislav Petkov wrote: > > > On Mon, Apr 07, 2025 at 01:56:57PM -0500, Mario Limonciello wrote: > > > Boris, your thoughts please? > > > > Right, how hard would it be to decode those as much as possible without > > having users go look somewhere first? > > > > I mean, we can always go look somewhere for more info but for starters we > > should display as much useful information as possible. > > Yeah, and I also have an admittedly selfish reason to ask for this: I > have a Zen 15h system that is at times unreliable and will > spontaneously reboot, and I'd *love* to see whether this reboot-reason > register gives me any further insight as to the root cause. :-) 15h > appears to be the family when this feature was introduced? Correction: it's a 17h system, and that also appears to be the version cutoff. Thanks, Ingo