From owner-freebsd-current@freebsd.org Sun May 1 14:58:36 2016 Return-Path: Delivered-To: freebsd-current@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 12BC6B293E3 for ; Sun, 1 May 2016 14:58:36 +0000 (UTC) (envelope-from sd@beastie.io) Received: from beastie.io (beastie.io [104.236.166.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "beastie.io", Issuer "StartCom Class 1 DV Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 02BD4185C; Sun, 1 May 2016 14:58:35 +0000 (UTC) (envelope-from sd@beastie.io) Received: from beastie.io (localhost [127.0.0.1]) by beastie.io (OpenSMTPD) with ESMTPS id 96055d31 TLS version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO; Sun, 1 May 2016 14:58:27 +0000 (UTC) Received: (from sd@localhost) by beastie.io (8.15.2/8.15.2/Submit) id u41EwQfQ007940; Sun, 1 May 2016 14:58:26 GMT (envelope-from sd@beastie.io) Date: Sun, 1 May 2016 14:58:26 +0000 From: Shawn Debnath To: Dimitry Andric Cc: Shawn Webb , freebsd-current@freebsd.org Subject: Re: MCA unrecoverable machine check exception on APU2 Message-ID: <20160501145826.GA4796@beastie.io> References: <20160501123510.GC90606@mutt-hardenedbsd> <35666049-0CDF-4174-81B0-09483B0C8B7E@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <35666049-0CDF-4174-81B0-09483B0C8B7E@FreeBSD.org> User-Agent: Mutt/1.6.0 (2016-04-01) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 May 2016 14:58:36 -0000 On 05/01, Dimitry Andric wrote: > On 01 May 2016, at 14:35, Shawn Webb wrote: > > MCA: Bank 0, Status 0xb400000000000135 > > MCA: Global Cap 0x0000000000000106, Status 0x0000000000000004 > > MCA: Vendor "AuthenticAMD", ID 0x730f01, APIC ID 3 > > MCA: CPU 3 UNCOR DCACHE L1 DRD error > > MCA: Address 0x44e9830 > > panic: Unrecoverable machine check exception > > cpuid = 3 > > KDB: stack backtrace: > > db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00f53cb390 > > vpanic() at vpanic+0x182/frame 0xfffffe00f53cb410 > > panic() at panic+0x43/frame 0xfffffe00f53cb470 > > mca_intr() at mca_intr+0x6b/frame 0xfffffe00f53cb490 Could you try sysutils/mcelog and see if you can get some meaningful output? See: https://www.freshports.org/sysutils/mcelog/