From owner-freebsd-stable@freebsd.org Tue Apr 10 05:49:03 2018 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E7253FA321E for ; Tue, 10 Apr 2018 05:49:02 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: from umail2.aei.mpg.de (umail2.aei.mpg.de [194.94.224.8]) (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 7A95783473 for ; Tue, 10 Apr 2018 05:49:01 +0000 (UTC) (envelope-from gerrit.kuehn@aei.mpg.de) Received: from mailgate.aei.mpg.de (mailgate.aei.mpg.de [194.94.224.5]) by umail2.aei.mpg.de (Postfix) with ESMTP id 6E9191BABAC5 for ; Tue, 10 Apr 2018 07:48:54 +0200 (CEST) Received: from mailgate.aei.mpg.de (localhost [127.0.0.1]) by localhost (Postfix) with SMTP id 52862406ADE for ; Tue, 10 Apr 2018 07:48:54 +0200 (CEST) Received: from intranet.aei.uni-hannover.de (ahin1.aei.uni-hannover.de [130.75.117.40]) by mailgate.aei.mpg.de (Postfix) with ESMTP id 3067A406ADB for ; Tue, 10 Apr 2018 07:48:54 +0200 (CEST) Received: from arc.aei.uni-hannover.de ([130.75.117.1]) by intranet.aei.uni-hannover.de (IBM Domino Release 9.0.1FP8) with ESMTP id 2018041007485333-327682 ; Tue, 10 Apr 2018 07:48:53 +0200 Date: Tue, 10 Apr 2018 07:48:53 +0200 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: freebsd-stable@freebsd.org Subject: Re: devd out of swap space ? (zfs arc related ?) Message-Id: <20180410074853.e471483ad792eb9e400d06dc@aei.mpg.de> In-Reply-To: References: Organization: Max Planck Gesellschaft X-Mailer: Sylpheed 3.6.0 (GTK+ 2.24.31; amd64-portbld-freebsd11.1) Mime-Version: 1.0 X-MIMETrack: Itemize by SMTP Server on intranet/aei-hannover(Release 9.0.1FP8|February 23, 2017) at 10/04/2018 07:48:53, Serialize by Router on intranet/aei-hannover(Release 9.0.1FP8|February 23, 2017) at 10/04/2018 07:48:53, Serialize complete at 10/04/2018 07:48:53 X-TNEFEvaluated: 1 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-PMX-Version: 6.0.2.2308539, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2018.4.10.53915 X-PerlMx-Spam: Gauge=IIIIIIII, Probability=8%, Report=' HTML_00_01 0.05, HTML_00_10 0.05, MIME_LOWER_CASE 0.05, BODYTEXTP_SIZE_3000_LESS 0, BODY_SIZE_1000_LESS 0, BODY_SIZE_2000_LESS 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, BODY_SIZE_800_899 0, IN_REP_TO 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, NO_URI_HTTPS 0, REFERENCES 0, __ANY_URI 0, __BOUNCE_CHALLENGE_SUBJ 0, __BOUNCE_NDR_SUBJ_EXEMPT 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FRAUD_MONEY_BIG_COIN 0, __FRAUD_MONEY_BIG_COIN_DIG 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MIME_VERSION 0, __NO_HTML_TAG_RAW 0, __REFERENCES 0, __SANE_MSGID 0, __STOCK_PHRASE_7 0, __SUBJ_ALPHA_NEGATE 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Apr 2018 05:49:03 -0000 On Mon, 9 Apr 2018 15:27:45 -0400 Mike Tancsa wrote about devd out of swap space ? (zfs arc related ?): > Anyone else seen anything like this on a recent RELENG11 STABLE ? I think I have seen something similar last week with a -stable from somewhen in March. Lots of processes crashed over night due to "out of swap space" although there appeared to be plenty of both swap and RAM. Somehow it looked arc-related to me, but I havn't been able to reproduce it so far (however, I did not try too hard, either ;-). This is what top shows on the machine right now: CPU: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle Mem: 2776K Active, 7231M Inact, 31M Laundry, 24G Wired, 934M Buf, 288M Free ARC: 20G Total, 6678M MFU, 13G MRU, 1060K Anon, 182M Header, 146M Other 19G Compressed, 82G Uncompressed, 4.24:1 Ratio cu Gerrit