From owner-freebsd-questions@freebsd.org Thu Jun 1 08:32:09 2017 Return-Path: Delivered-To: freebsd-questions@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 AAF5ABF1ED3 for ; Thu, 1 Jun 2017 08:32:09 +0000 (UTC) (envelope-from raimo+freebsd@erix.ericsson.se) Received: from sessmg23.ericsson.net (sessmg23.ericsson.net [193.180.251.45]) (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 3A0A06EDE4 for ; Thu, 1 Jun 2017 08:32:08 +0000 (UTC) (envelope-from raimo+freebsd@erix.ericsson.se) X-AuditID: c1b4fb2d-5a49e9a000000d37-d4-592fd105b20d Received: from ESESSHC009.ericsson.se (Unknown_Domain [153.88.183.45]) by sessmg23.ericsson.net (Symantec Mail Security) with SMTP id 53.79.03383.501DF295; Thu, 1 Jun 2017 10:32:05 +0200 (CEST) Received: from duper.otp.ericsson.se (153.88.183.153) by smtp.internal.ericsson.com (153.88.183.47) with Microsoft SMTP Server id 14.3.339.0; Thu, 1 Jun 2017 10:27:51 +0200 Received: from duper.otp.ericsson.se (localhost [127.0.0.1]) by duper.otp.ericsson.se (8.15.2/8.15.2) with ESMTP id v518Rnm6080710 for ; Thu, 1 Jun 2017 10:27:49 +0200 (CEST) (envelope-from raimo+freebsd@erix.otp.ericsson.se) Received: (from raimo@localhost) by duper.otp.ericsson.se (8.15.2/8.15.2/Submit) id v518RnZJ080709 for freebsd-questions@freebsd.org; Thu, 1 Jun 2017 10:27:49 +0200 (CEST) (envelope-from raimo+freebsd@erix.otp.ericsson.se) X-Authentication-Warning: duper.otp.ericsson.se: raimo set sender to raimo+freebsd@erix.ericsson.se using -f Date: Thu, 1 Jun 2017 10:27:49 +0200 From: Raimo Niskanen To: Subject: Re: Advice on kernel panics Message-ID: <20170601082749.GA80543@erix.ericsson.se> Mail-Followup-To: freebsd-questions@freebsd.org References: <20170529092043.GA89682@erix.ericsson.se> <20170601051030.GA39861@geeks.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20170601051030.GA39861@geeks.org> User-Agent: Mutt/1.7.2 (2016-11-26) X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrLLMWRmVeSWpSXmKPExsUyM2K7ri7rRf1Ig+OPxCxeft3E4sDoMePT fJYAxigum5TUnMyy1CJ9uwSujCcf2tgKJnBUHN1whbWBcQlbFyMnh4SAicTWuUsYuxi5OIQE jjBKnPy8kw3C2cAosfr1BXYIp41J4tPKKywgLUICTxgljm/kgmjPkXj76SgTiM0ioCKx98kh MJtNwFSi8ecZVhBbREBZ4t+1i8wgtjBQzYqt9xhBbF6gmg83jzJD2PoSH1e8YoWYHyWx8fx7 doi4oMTJmU/A9jIL6Egs2P0J6DoOIFtaYvk/DpAwJ1Br19yJTCBhUZBVX6GmaEtMeHOAdQKj 8Cwkg2YhGTQLYdACRuZVjKLFqcXFuelGxnqpRZnJxcX5eXp5qSWbGIGBfHDLb90djKtfOx5i FOBgVOLhFdyvHynEmlhWXJl7iFGCg1lJhJevEijEm5JYWZValB9fVJqTWnyIUZqDRUmc12Hf hQghgfTEktTs1NSC1CKYLBMHp1QDoxzHQzY9gZWtsSmq8YoPn8Ta3XXgDry4/WZNxqSK47fE K58US19PuLK1n9H0+g3nW63PPZfvO8O88cXhzCyfgOUba4NauM65fi7v1158yWC95bQFajkT dGXl/zDLJO0yZ2deznPK+OShWoYSpyu3l7GteajzcgPrk2t3Jrp/exjadV5BaEKbmhJLcUai oRZzUXEiAGYvSsVgAgAA X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jun 2017 08:32:09 -0000 On Thu, Jun 01, 2017 at 12:10:30AM -0500, Doug McIntyre wrote: > On Mon, May 29, 2017 at 11:20:43AM +0200, Raimo Niskanen wrote: > > I have a server that panics about every 3 days and need some advice on how > > to handle that. > > I'd expect it is some sort of hardware failure, as I would expect > kernel panics more on the order of once a decade with FreeBSD. Ie. > I've seen one or two on my hundred or so servers, but its pretty rare. > > Check and recheck your hardware items. I have removed one of four memory capsules - panicked again. Will rotate through all of them... > > Runup memtest86+. Check your drive hardware, turn on SMART checking. I have run memtest86+ over night - no errors found. I have installed smartmontools - no errors found, short and long self tests on both disks run fine. zpool scrub repaired 0 errors and has no known data errors. Any further hints on how to "Check your drive hardware"? Thank you for your advice. -- / Raimo Niskanen, Erlang/OTP, Ericsson AB