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[23.128.96.18]) by mx.google.com with ESMTP id l10si1670366edq.534.2021.06.10.01.42.23; Thu, 10 Jun 2021 01:42:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@natalenko.name header.s=dkim-20170712 header.b=jX7jKEvl; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=natalenko.name Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230060AbhFJImk (ORCPT + 99 others); Thu, 10 Jun 2021 04:42:40 -0400 Received: from vulcan.natalenko.name ([104.207.131.136]:57070 "EHLO vulcan.natalenko.name" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229910AbhFJImj (ORCPT ); Thu, 10 Jun 2021 04:42:39 -0400 Received: from localhost (unknown [151.237.229.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by vulcan.natalenko.name (Postfix) with ESMTPSA id D51C9AC8EE3; Thu, 10 Jun 2021 10:40:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=natalenko.name; s=dkim-20170712; t=1623314442; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gZ5PoN9svtHAXgn4Aog0MvH+fbi6k6ZsouWk2RBwJrE=; b=jX7jKEvlifW0Ktpr778aXv8q6EQHCGrajesTO4jQbbbcv/WI8d0ObiNGAYLy7aXDJ33HFx gbbRv3zrc6likDWQ1NtNp6uPg+aQsddTa9pOOyMvDinqJKunbx6UwBPbDBVJ6+eJRNhKmh s5XyeJN6+lGICdeMGjGmh/nZ1yR6V7c= Date: Thu, 10 Jun 2021 10:40:41 +0200 From: Oleksandr Natalenko To: Toralf =?utf-8?Q?F=C3=B6rster?= Cc: Linux Kernel Subject: Re: repeating [Hardware Error]: Corrected error, no action required. Message-ID: <20210610084041.42a73peuwy7ivyt4@spock.localdomain> References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello. On Wed, Jun 09, 2021 at 08:27:26PM +0200, Toralf F?rster wrote: > My syslog messages show at a hardened Gentoo > > # uname -a > Linux mr-fox 5.12.9 #8 SMP Thu Jun 3 17:59:32 CEST 2021 x86_64 AMD Ryzen > 9 5950X 16-Core Processor AuthenticAMD GNU/Linux > mr-fox ~ # > > repeating entries every 5 mins like (always same address > 0x000000031fb566e0): > > Jun 9 16:21:24 mr-fox kernel: mce: [Hardware Error]: Machine check > events logged > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: Corrected error, no > action required. > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: CPU:0 (19:21:0) > MC17_STATUS[Over|CE|MiscV|AddrV|-|-|SyndV|CECC|-|-|-]: 0xdc2040000000011b > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: Error Addr: > 0x000000031fb566e0 > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: IPID: > 0x0000009600050f00, Syndrome: 0x33fa01000a800101 > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: Unified Memory > Controller Ext. Error Code: 0, DRAM ECC error. > Jun 9 16:21:24 mr-fox kernel: EDAC MC0: 1 CE on mc#0csrow#1channel#0 > (csrow:1 channel:0 page:0xcaed59 offset:0x8e0 grain:64 syndrome:0x100) > Jun 9 16:21:24 mr-fox kernel: [Hardware Error]: cache level: L3/GEN, > tx: GEN, mem-tx: RD > > > A hw mem check by Hetzner didn't found anything. Did they run memtest in a loop for 10 times at least? > May I asked whether I sahll worry about or not ? If the reported page is indeed the same, then probably yes, you should worry. -- Oleksandr Natalenko (post-factum)