From owner-freebsd-wireless@freebsd.org Wed May 24 21:26:06 2017 Return-Path: Delivered-To: freebsd-wireless@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 05D6DD7C95E for ; Wed, 24 May 2017 21:26:06 +0000 (UTC) (envelope-from pete@nomadlogic.org) Received: from vps-mail.nomadlogic.org (unknown [IPv6:2607:f2f8:a098::2]) (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 D5D3F1525; Wed, 24 May 2017 21:26:05 +0000 (UTC) (envelope-from pete@nomadlogic.org) Received: from [192.168.1.26] (cpe-23-242-94-236.socal.res.rr.com [23.242.94.236]) by vps-mail.nomadlogic.org (OpenSMTPD) with ESMTPSA id 5a6d2be6 TLS version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO; Wed, 24 May 2017 14:26:04 -0700 (PDT) Subject: Re: Panic On Restarting netif To: Andriy Gapon , "freebsd-wireless@freebsd.org" References: <98a7a7a7-0227-385f-4cee-87f352490345@nomadlogic.org> <1f7f1692-12be-451e-d9f6-995a70476651@nomadlogic.org> <4bf0fc74-527d-d7cb-1eba-4fedc360b67b@FreeBSD.org> From: Pete Wright Message-ID: <0ddbbce7-1ab4-52fb-4473-8b334092fcd9@nomadlogic.org> Date: Wed, 24 May 2017 14:26:03 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0 MIME-Version: 1.0 In-Reply-To: <4bf0fc74-527d-d7cb-1eba-4fedc360b67b@FreeBSD.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 May 2017 21:26:06 -0000 On 05/24/2017 01:58, Andriy Gapon wrote: > On 23/05/2017 20:45, Pete Wright wrote: >> >> On 05/23/2017 10:42, Andriy Gapon wrote: >>> On 23/05/2017 20:28, Pete Wright wrote: >>>> MCA: Bank 6, Status 0xfe00000000801136 >>>> MCA: Global Cap 0x0000000000000c08, Status 0x0000000000000005 >>>> MCA: Vendor "GenuineIntel", ID 0x806e9, APIC ID 2 >>>> MCA: CPU 2 UNCOR PCC OVER DCACHE L2 DRD error >>> This looks like an uncorrectable [hardware] error in the CPU2 L2 cache. >>> The CPU might have started dying. >>> >> I hope that's not the case, this is a new Kabylake system :( > The hope could be that this was a one-time glitch (proverbial cosmic ray). > Machine Check Architecture is designed to report hardware problems. cheers - thanks for pointing that logline out btw! i was so focused on the following lines i missed the MCA lines. d'oh! -pete -- Pete Wright pete@nomadlogic.org @nomadlogicLA