Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753550AbcDSX5B (ORCPT ); Tue, 19 Apr 2016 19:57:01 -0400 Received: from gherkin.frus.com ([192.158.254.49]:36582 "EHLO gherkin.frus.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752245AbcDSX5A (ORCPT ); Tue, 19 Apr 2016 19:57:00 -0400 Date: Tue, 19 Apr 2016 18:56:57 -0500 From: Bob Tracy To: "Maciej W. Rozycki" Cc: linux-kernel@vger.kernel.org, debian-alpha@lists.debian.org, mcree@orcon.net.nz, jay.estabrook@gmail.com, mattst88@gmail.com Subject: Re: [BUG] machine check Oops on Alpha Message-ID: <20160419235657.GA4404@gherkin.frus.com> References: <20160417210532.GA27208@gherkin.frus.com> <20160418035848.GA28637@gherkin.frus.com> <20160418123136.GA30382@gherkin.frus.com> <20160419025243.GA32734@gherkin.frus.com> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="7JfCtLOvnd9MIVvH" Content-Disposition: inline In-Reply-To: <20160419025243.GA32734@gherkin.frus.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6419 Lines: 91 --7JfCtLOvnd9MIVvH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Mon, Apr 18, 2016 at 09:52:43PM -0500, Bob Tracy wrote: > 4.6.0-rc4 build complete, including suggested (by Alan Young) "Verbose > Machine Checks" option set to level 2 by default. System rebooted, and > now we wait... Thanks for everyone's continued patience. Within three minutes of rebooting, I got a machine check, but perhaps significantly, no "Oops". I'm guessing the only reason I'm seeing the ECC errors now (haven't seen them before) is because of the stepped-up debug output. Syslog output attached... Machine has been stable since the machine check. Kernel is 4.6.0-rc4. --Bob --7JfCtLOvnd9MIVvH Content-Type: text/plain; charset=us-ascii Content-Disposition: attachment; filename=machine_check Apr 18 23:51:29 smirkin kernel: machine check: LA: fffffc0000006000 Apr 18 23:51:29 smirkin kernel: CIA machine check NOT expected!!! Apr 18 23:51:29 smirkin kernel: CIA machine check: vector=0x630 pc=0xfffffc00005b66ac code=0x86 Apr 18 23:51:29 smirkin kernel: machine check type: correctable ECC error (retryable) Apr 18 23:51:29 smirkin kernel: pc = [] ra = [] ps = 0000 Not tainted Apr 18 23:51:29 smirkin kernel: pc is at clear_page+0x3c/0xc4 Apr 18 23:51:29 smirkin kernel: ra is at get_page_from_freelist+0x524/0xa20 Apr 18 23:51:29 smirkin kernel: v0 = 0000000000000007 t0 = 6db6db6db6db6db7 t1 = fffffc0000000000 Apr 18 23:51:29 smirkin kernel: t2 = fffffc005c3786e0 t3 = fffffc0000d445f0 t4 = fffffc0000ad0a38 Apr 18 23:51:29 smirkin kernel: t5 = 00000000001fffff t6 = 00000000ffffffff t7 = fffffc005cf54000 Apr 18 23:51:29 smirkin kernel: a0 = fffffc00025ede40 a1 = 0000000000000000 a2 = 000000000000032e Apr 18 23:51:29 smirkin kernel: a3 = fffffc0000c83a50 a4 = 0000000000000000 a5 = 0000000000000000 Apr 18 23:51:29 smirkin kernel: t8 = fffffc0000ad0aa0 t9 = fffffc0000ad0aa0 t10= fffffc0000d44608 Apr 18 23:51:29 smirkin kernel: t11= 0000000000000000 pv = fffffc00005b6670 at = 0000000000000400 Apr 18 23:51:29 smirkin kernel: gp = fffffc0000cb0aa0 sp = fffffc005cf57ba0 Apr 18 23:51:29 smirkin kernel: + 0 8000000000000068 0000003800000018 Apr 18 23:51:29 smirkin kernel: + 10 0000000000000086 ffffff00025edddf Apr 18 23:51:29 smirkin kernel: + 20 0000000000005700 fffffff0c5ffffff Apr 18 23:51:29 smirkin kernel: + 30 0000000100000000 0000000000000000 Apr 18 23:51:29 smirkin kernel: + 40 0000000000000000 0000000000000000 Apr 18 23:51:29 smirkin kernel: + 50 0000000000000000 0000000000000000 Apr 18 23:51:29 smirkin kernel: + 60 0000000000000000 00000000000002c0 Apr 18 23:51:30 smirkin kernel: machine check: LA: fffffc0000006000 Apr 18 23:51:30 smirkin kernel: CIA machine check NOT expected!!! Apr 18 23:51:30 smirkin kernel: CIA machine check: vector=0x630 pc=0x1200124c8 code=0x86 Apr 18 23:51:30 smirkin kernel: machine check type: correctable ECC error (retryable) Apr 18 23:51:30 smirkin kernel: pc = [<00000001200124c8>] ra = [<0000000120012480>] ps = 0008 Not tainted Apr 18 23:51:30 smirkin kernel: pc is at 0x1200124c8 Apr 18 23:51:30 smirkin kernel: ra is at 0x120012480 Apr 18 23:51:30 smirkin kernel: v0 = 0000000120a51c90 t0 = 0000000000000000 t1 = 0000000000000001 Apr 18 23:51:30 smirkin kernel: t2 = 0000000120a530f0 t3 = 0000000120255638 t4 = 0000000000000000 Apr 18 23:51:30 smirkin kernel: t5 = 0000000120255620 t6 = 0000000000000001 t7 = 0000000000000020 Apr 18 23:51:30 smirkin kernel: a0 = 0000000120a51d40 a1 = 0000000000000000 a2 = 0000000000000008 Apr 18 23:51:30 smirkin kernel: a3 = 0000020000038010 a4 = 0000000000000000 a5 = 000000000000003e Apr 18 23:51:30 smirkin kernel: t8 = 0000000000000001 t9 = 1999999999999999 t10= 0000000000000000 Apr 18 23:51:30 smirkin kernel: t11= 0000000000000001 pv = 0000000000000000 at = 0000000000000400 Apr 18 23:51:30 smirkin kernel: gp = 00000001200440f0 sp = fffffc005cf58000 Apr 18 23:51:30 smirkin kernel: + 0 8000000000000068 0000003800000018 Apr 18 23:51:30 smirkin kernel: + 10 0000000000000086 ffffff00025edddf Apr 18 23:51:30 smirkin kernel: + 20 0000000000005700 fffffff0c5ffffff Apr 18 23:51:30 smirkin kernel: + 30 0000000100000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 40 0000000000000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 50 0000000000000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 60 0000000000000000 00000000000002c0 Apr 18 23:51:30 smirkin kernel: machine check: LA: fffffc0000006000 Apr 18 23:51:30 smirkin kernel: CIA machine check NOT expected!!! Apr 18 23:51:30 smirkin kernel: CIA machine check: vector=0x630 pc=0x120007138 code=0x86 Apr 18 23:51:30 smirkin kernel: machine check type: correctable ECC error (retryable) Apr 18 23:51:30 smirkin kernel: pc = [<0000000120007138>] ra = [<000000012001253c>] ps = 0008 Not tainted Apr 18 23:51:30 smirkin kernel: pc is at 0x120007138 Apr 18 23:51:30 smirkin kernel: ra is at 0x12001253c Apr 18 23:51:30 smirkin kernel: v0 = 0000000120a51c90 t0 = 0000000000000000 t1 = 0000000000000001 Apr 18 23:51:30 smirkin kernel: t2 = 0000000120a530f0 t3 = 0000000120255638 t4 = 0000000000000000 Apr 18 23:51:30 smirkin kernel: t5 = 0000000120255620 t6 = 0000000000000001 t7 = 0000000000000020 Apr 18 23:51:30 smirkin kernel: a0 = 0000000000000000 a1 = 0000000000000000 a2 = 0000000000000008 Apr 18 23:51:30 smirkin kernel: a3 = 0000020000038010 a4 = 0000000000000000 a5 = 000000000000003e Apr 18 23:51:30 smirkin kernel: t8 = 0000000000000001 t9 = 1999999999999999 t10= 0000000000000000 Apr 18 23:51:30 smirkin kernel: t11= 0000000000000001 pv = 0000000000000000 at = 0000000000000400 Apr 18 23:51:30 smirkin kernel: gp = 00000001200440f0 sp = fffffc005cf58000 Apr 18 23:51:30 smirkin kernel: + 0 8000000000000068 0000003800000018 Apr 18 23:51:30 smirkin kernel: + 10 0000000000000086 ffffff00025edddf Apr 18 23:51:30 smirkin kernel: + 20 0000000000005700 fffffff0c5ffffff Apr 18 23:51:30 smirkin kernel: + 30 0000000100000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 40 0000000000000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 50 0000000000000000 0000000000000000 Apr 18 23:51:30 smirkin kernel: + 60 0000000000000000 00000000000002c0 --7JfCtLOvnd9MIVvH--