From owner-freebsd-questions@FreeBSD.ORG Mon Sep 19 21:42:02 2011 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4D26B1065670 for ; Mon, 19 Sep 2011 21:42:02 +0000 (UTC) (envelope-from arab@tangerine-army.co.uk) Received: from mtaout03-winn.ispmail.ntl.com (mtaout03-winn.ispmail.ntl.com [81.103.221.49]) by mx1.freebsd.org (Postfix) with ESMTP id CDBC68FC16 for ; Mon, 19 Sep 2011 21:42:01 +0000 (UTC) Received: from know-smtpout-4.server.virginmedia.net ([62.254.123.3]) by mtaout03-winn.ispmail.ntl.com (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP id <20110919214200.PHJT8898.mtaout03-winn.ispmail.ntl.com@know-smtpout-4.server.virginmedia.net> for ; Mon, 19 Sep 2011 22:42:00 +0100 Received: from [94.168.169.90] (helo=mercury.universe.galaxy.lcl) by know-smtpout-4.server.virginmedia.net with esmtp (Exim 4.63) (envelope-from ) id 1R5lbD-0000ZY-Vq for freebsd-questions@freebsd.org; Mon, 19 Sep 2011 22:42:00 +0100 Received: from mercury.universe.galaxy.lcl ([::1]) by mercury.universe.galaxy.lcl ([::1]) with mapi; Mon, 19 Sep 2011 22:41:57 +0100 From: Graeme Dargie To: 'FreeBSD Questions' Date: Mon, 19 Sep 2011 22:41:56 +0100 Thread-Topic: System locking up. Thread-Index: Acx2TmXt+QjyExEqSKOpsz46/ZVQJQAxm8zw Message-ID: <0EE458C34045A44DBC2CA2DC5CEB42B52344BE4832@mercury.universe.galaxy.lcl> References: <0EE458C34045A44DBC2CA2DC5CEB42B52344BE4831@mercury.universe.galaxy.lcl> <81C853D1253C1A5E1B35675C@mac-pro.magehandbook.com> In-Reply-To: <81C853D1253C1A5E1B35675C@mac-pro.magehandbook.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US, en-GB Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Cloudmark-Analysis: v=1.1 cv=R50lirqlHffDPPkwUlkuVa99MrvKdVWo//yz83qex8g= c=1 sm=0 a=OMdUhd4NiskA:10 a=kj9zAlcOel0A:10 a=xqWC_Br6kY4A:10 a=6I5d2MoRAAAA:8 a=emV9shKGDjmfVjpx4iUA:9 a=RAEYCqAKuykaKWZyHEIA:7 a=CjuIK1q_8ugA:10 a=SV7veod9ZcQA:10 a=hcUHNGds_dbiNCwf:21 a=E4oLFQLp5cjuydk4:21 a=HpAAvcLHHh0Zw7uRqdWCyQ==:117 Subject: RE: System locking up. X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Sep 2011 21:42:02 -0000 -----Original Message----- From: owner-freebsd-questions@freebsd.org [mailto:owner-freebsd-questions@f= reebsd.org] On Behalf Of Daniel Staal Sent: 18 September 2011 22:59 To: 'freebsd-questions@freebsd.org' Subject: Re: System locking up. --As of September 18, 2011 2:29:20 PM +0100, Graeme Dargie is alleged to=20 have said: > I have a system that is being problematic, I suspect but I cannot say for > sure it is maybe related to ZFS as I have a fairly large ZFS pool on the > machine. The system will just lock up, local console does not respond to > the keyboard, num lock still changes the led on the keyboard, the system > still responds to pings but you cannot ssh to the unit. The behaviour is > random the system can be running for 50 days plus with no issues then > suddenly it enters this state, the error logs do not show anything. --As for the rest, it is mine. Where is your swap located? I've seen similar on a ZFS system with swap on= =20 ZFS, when running low on RAM. If that's the case, you can either put in=20 more RAM (so you don't need to use swap) or move swap to a dedicated=20 disk/partition, that's not under ZFS control. Daniel T. Staal --------------------------------------------------------------- This email copyright the author. Unless otherwise noted, you are expressly allowed to retransmit, quote, or otherwise use the contents for non-commercial purposes. This copyright will expire 5 years after the author's death, or in 30 years, whichever is longer, unless such a period is in excess of local copyright law. --------------------------------------------------------------- _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org= " Swap is on the UFS boot disk, so it might be a heat/psu issue as previously= suggested. Regards Graeme