From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1S0fxm-0003rQ-BW for garchives@archives.gentoo.org; Thu, 23 Feb 2012 21:12:30 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C7F7FE0FF8; Thu, 23 Feb 2012 21:12:16 +0000 (UTC) Received: from mail-ey0-f181.google.com (mail-ey0-f181.google.com [209.85.215.181]) by pigeon.gentoo.org (Postfix) with ESMTP id 1E52CE0683 for ; Thu, 23 Feb 2012 21:11:10 +0000 (UTC) Received: by eaak14 with SMTP id k14so671431eaa.40 for ; Thu, 23 Feb 2012 13:11:10 -0800 (PST) Received-SPF: pass (google.com: domain of emailgrant@gmail.com designates 10.14.95.8 as permitted sender) client-ip=10.14.95.8; Authentication-Results: mr.google.com; spf=pass (google.com: domain of emailgrant@gmail.com designates 10.14.95.8 as permitted sender) smtp.mail=emailgrant@gmail.com; dkim=pass header.i=emailgrant@gmail.com Received: from mr.google.com ([10.14.95.8]) by 10.14.95.8 with SMTP id o8mr1738859eef.111.1330031470425 (num_hops = 1); Thu, 23 Feb 2012 13:11:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; bh=mwqGClcNeJZcKvPLiXVS5z2k/wFpsu6j1MXxlUneV3c=; b=V0vtIY7c2da40V7Rm7Rc0LLHZQwyEkiYtdG0c/naEnrj6wVaysXEumGySh4e6qdTOu HzMxxkfjnUDqM61KZYeqL301CJ60TZuZHXzgvP3k7eMh8iiwm7VoiFTDYY2Gffg8q304 s9PdtDVG/3iyOaJc/eY1MOm1JbKQvzuA+k3Mc= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.14.95.8 with SMTP id o8mr1360286eef.111.1330031470330; Thu, 23 Feb 2012 13:11:10 -0800 (PST) Received: by 10.213.113.148 with HTTP; Thu, 23 Feb 2012 13:11:10 -0800 (PST) In-Reply-To: References: Date: Thu, 23 Feb 2012 13:11:10 -0800 Message-ID: Subject: Re: [gentoo-user] gcc fails and then succeeds - definitely a problem? From: Grant To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Archives-Salt: 41a3a2d0-85b2-4306-9b2d-afcdc857e234 X-Archives-Hash: 045868656f1dcf34c697fa2f21af8ac1 >>> The gcc update just failed to compile on one of my systems with a >>> segfault, but then succeeded after trying again even though I didn't >>> change anything. =A0Does that indicate a hardware problem for sure? >>> Should I run memtester? =A0Any other tests to run? =A0Nothing in dmesg. >> >> Not definitively anything; it could have been a race condition. >> >> Memtest if you like. prime95 is designed for CPU and memory burning, >> too, and wouldn't require you to shutdown your system. > > Thanks everyone. =A0I ran memtester for a little bit and it came up with > this before I killed it: > > # memtester 14000 > memtester version 4.0.8 (64-bit) > Copyright (C) 2007 Charles Cazabon. > Licensed under the GNU General Public License version 2 (only). > > pagesize is 4096 > pagesizemask is 0xfffffffffffff000 > want 14000MB (14680064000 bytes) > got =A014000MB (14680064000 bytes), trying mlock ...locked. > Loop 1: > =A0Stuck Address =A0 =A0 =A0 : ok > =A0Random Value =A0 =A0 =A0 =A0: ok > FAILURE: 0x524e8edb0512f3a7 !=3D 0x524ecedb0512f3a7 at offset 0x04bd5130. > FAILURE: 0x224c0b76048d37c0 !=3D 0x224c4b76048d37c0 at offset 0x0de17970. > FAILURE: 0x207dad0b8c3aced0 !=3D 0x207ded0b8c3aced0 at offset 0x0de36970. > FAILURE: 0x847e610e840fb84e !=3D 0x847e210e840fb84e at offset 0x1dc7922f. > FAILURE: 0x3f69916b940c7907 !=3D 0x3f69d16b940c7907 at offset 0x1ed37770. > =A0Compare XOR =A0 =A0 =A0 =A0 : FAILURE: 0x13664bb2c7a58ca3 !=3D > 0x13668bb2c7a58ca3 at offset 0x04bd5130. > FAILURE: 0x61bcd9d27eba2967 !=3D 0x61bd19d27eba2967 at offset 0x0686b930. > FAILURE: 0xe363c84dc71fd0bc !=3D 0xe364084dc71fd0bc at offset 0x0de17970. > FAILURE: 0xe19569e34ecd67cc !=3D 0xe195a9e34ecd67cc at offset 0x0de36970. > FAILURE: 0x7b844f40969fc496 !=3D 0x7b848f40969fc496 at offset 0x0de94930. > FAILURE: 0x45961de646a2514a !=3D 0x4595dde646a2514a at offset 0x1dc7922f. > FAILURE: 0x67e4594142a19ffa !=3D 0x67e4994142a19ffa at offset 0x1ea14730. > FAILURE: 0x8341dc6542a103ab !=3D 0x83421c6542a103ab at offset 0x1ecd4730. > FAILURE: 0x814e43569f1203 !=3D 0x818e43569f1203 at offset 0x1ed37770. > =A0Compare SUB =A0 =A0 =A0 =A0 : FAILURE: 0x1082d4779192eec4 !=3D > 0xefbfd4779192eec4 at offset 0x02d10930. > FAILURE: 0xad2dd70ca745ff5c !=3D 0x8c6ad70ca745ff5c at offset 0x04bd5130. > FAILURE: 0x189f6452fe165a2c !=3D 0xf7dc6452fe165a2c at offset 0x0686b930. > FAILURE: 0xc9ac41a7eab20330 !=3D 0xa8e941a7eab20330 at offset 0x0de17970. > FAILURE: 0x1b9b05b99a41be70 !=3D 0xfad805b99a41be70 at offset 0x0de36970. > FAILURE: 0x300cb2e02ea06f8 !=3D 0xe23dcb2e02ea06f8 at offset 0x0de94930. > FAILURE: 0xb29086ae7fdf2d4 !=3D 0xea66086ae7fdf2d4 at offset 0x0e1c5970. > FAILURE: 0x89126e3b0ccb5288 !=3D 0xa9d56e3b0ccb5288 at offset 0x1dc7922f. > FAILURE: 0x4d7afcf6378f9248 !=3D 0x2cb7fcf6378f9248 at offset 0x1ea14730. > FAILURE: 0x5a9034aa259352fc !=3D 0x39cd34aa259352fc at offset 0x1ecd4730. > FAILURE: 0x7b1c0d3184539edc !=3D 0x5a590d3184539edc at offset 0x1ed37770. > =A0Compare MUL =A0 =A0 =A0 =A0 : FAILURE: 0x00000000 !=3D 0x00000001 at o= ffset 0x0686b930. > FAILURE: 0x00000000 !=3D 0x00000001 at offset 0x0de36970. > =A0Compare DIV =A0 =A0 =A0 =A0 : =A0 Compare OR =A0 =A0 =A0 =A0 =A0: ok > =A0Compare AND =A0 =A0 =A0 =A0 : ok > =A0Sequential Increment: ok > =A0Solid Bits =A0 =A0 =A0 =A0 =A0: testing =A029 > > Now I've emerged gimps and I'm running the mprime "Blend" stress test > so we'll see what that turns up. > > - Grant mprime ran for about 1.5 hours until it found this: [Work thread Feb 23 13:04] FATAL ERROR: Rounding was 0.5, expected less tha= n 0.4 [Work thread Feb 23 13:04] Hardware failure detected, consult stress.txt fi= le. [Work thread Feb 23 13:04] Torture Test completed 85 tests in 1 hour, 33 minutes - 1 errors, 0 warnings. [Work thread Feb 23 13:04] Worker stopped. [Main thread Feb 23 13:04] Execution halted. I have a 1200 watt Corsair power supply and my temps are very low even during the stress test so I'm thinking bad (Corsair) RAM. I should remove modules one at a time and re-test to narrow it down? - Grant