From owner-freebsd-hardware@freebsd.org Tue Jul 28 18:40:50 2015 Return-Path: Delivered-To: freebsd-hardware@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E0A479AD8B4 for ; Tue, 28 Jul 2015 18:40:49 +0000 (UTC) (envelope-from wjw@digiware.nl) Received: from smtp.digiware.nl (smtp.digiware.nl [31.223.170.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A281C10B5 for ; Tue, 28 Jul 2015 18:40:49 +0000 (UTC) (envelope-from wjw@digiware.nl) Received: from rack1.digiware.nl (unknown [127.0.0.1]) by smtp.digiware.nl (Postfix) with ESMTP id 778F0153466; Tue, 28 Jul 2015 20:40:46 +0200 (CEST) X-Virus-Scanned: amavisd-new at digiware.nl Received: from smtp.digiware.nl ([127.0.0.1]) by rack1.digiware.nl (rack1.digiware.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0AQRywSpwyyb; Tue, 28 Jul 2015 20:40:34 +0200 (CEST) Received: from [IPv6:2001:4cb8:3:1:4af:3a18:46a:110b] (unknown [IPv6:2001:4cb8:3:1:4af:3a18:46a:110b]) by smtp.digiware.nl (Postfix) with ESMTPA id 99CFA153401; Tue, 28 Jul 2015 20:40:34 +0200 (CEST) Subject: Re: L2 cache errors??? To: Mike Tancsa , freebsd-hardware@freebsd.org References: <55B7B8FA.2060800@digiware.nl> <55B7C059.5020701@sentex.net> From: Willem Jan Withagen Message-ID: <55B7CCA1.4020906@digiware.nl> Date: Tue, 28 Jul 2015 20:40:33 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <55B7C059.5020701@sentex.net> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-hardware@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: General discussion of FreeBSD hardware List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 28 Jul 2015 18:40:50 -0000 On 28/07/2015 19:48, Mike Tancsa wrote: > On 7/28/2015 1:16 PM, Willem Jan Withagen wrote: >> Hi, >> >> Are these what I think they are? >> Errors in the CPU L2 cache? >> >> Are the ECC corrected? >> Or is error really "data kaput"? >> > > > Could be. There is also an erratum issue that triggers these errors on > certain CPUs when running software like virtualbox. It was fixed in > RELENG_10 some time ago. What are you running ? > > > https://svnweb.freebsd.org/base?view=revision&revision=269052 > > has some details. 'mmm, Not running Haswell stuff, but rather older hardware. Looked in older logfiles, and there are a few more... All with the same data, except that it is detected on different CPUs And it occurs when running: mbuffer -4 -m 1000M -I 6666 | \ zfs receive -F -d -v zfs to receive a full backup from my fileserver. --WjW No tweeked settings, neither is the CPU overheated. System consumes about 200W, and has a supermicro 450W supply Running 10.2-BETA2 on a CPU: Intel(R) Core(TM)2 Extreme CPU X9650 @ 3.00GHz (3005.62-MHz K8-class CPU) Origin="GenuineIntel" Id=0x10676 Family=0x6 Model=0x17 Stepping=6 Features=0xbfebfbff Features2=0x8e3bd AMD Features=0x20100800 AMD Features2=0x1 VT-x: Basic Features=0x5a0800 Pin-Based Controls=0x3f Primary Processor Controls=0xf7f9fffe Secondary Processor Controls=0x41 Exit Controls=0x5a0800 Entry Controls=0x5a0800 TSC: P-state invariant, performance statistics Instruction TLB: 2M pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries Instruction TLB: 4 KB Pages, 4-way set associative, 128 entries 64-Byte prefetching Data TLB0: 4 KByte pages, 4-way associative, 16 entries Data TLB0: 4 MByte pages, 4-way set associative, 16 entries 2nd-level cache: 6MByte, 24-way set associative, 64 byte line size 1st-level instruction cache: 32 KB, 8-way set associative, 64 byte line size Data TLB1: 4 KByte pages, 4-way associative, 256 entries 1st-level data cache: 32 KB, 8-way set associative, 64 byte line size L2 cache: 6144 kbytes, 16-way associative, 64 bytes/line real memory = 7516192768 (7168 MB) Motherboard: Base Board Information Manufacturer: ASUSTeK Computer INC. Product Name: P5Q-E Version: Rev 1.xx Serial Number: MS1C87B16302305