From owner-freebsd-stable@freebsd.org Tue Jan 9 07:36:36 2018 Return-Path: Delivered-To: freebsd-stable@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 5CB8DE69FA3 for ; Tue, 9 Jan 2018 07:36:36 +0000 (UTC) (envelope-from artemrts@ukr.net) Received: from frv190.fwdcdn.com (frv190.fwdcdn.com [212.42.77.190]) (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 203DD6E6E8 for ; Tue, 9 Jan 2018 07:36:35 +0000 (UTC) (envelope-from artemrts@ukr.net) Received: from frv198.fwdcdn.com ([212.42.77.198]) by frv190.fwdcdn.com with esmtp ID 1eYo4R-000CMu-JL for freebsd-stable@freebsd.org; Tue, 09 Jan 2018 09:11:39 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=ukr.net; s=ffe; h=Content-Transfer-Encoding:Content-Type:MIME-Version:Message-Id:To: Subject:From:Date:Sender:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: In-Reply-To:References:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=M6r9ZRE1fikr2ymh4Q/dBpQrwyGmHIteLDuvC13j+vQ=; b=q6bLMnjGMO47i8c6r/gsBTB6Oc UqffJB2TfoJy+5UbKofzZl12nOXGcf0OM+DtpgxNCtktKgF/f1IvM0Q77sKOLlebWfjREJH1NzOL3 yaJaZAi/UN5/vE0QTyYHt8AxIC70ShXR295oVStT7LrTnHonTf7vHur6Z8sIjnyHPH00=; Received: from [10.10.10.52] (helo=frv52.fwdcdn.com) by frv198.fwdcdn.com with smtp ID 1eYo4I-000CAB-Rn for freebsd-stable@freebsd.org; Tue, 09 Jan 2018 09:11:30 +0200 Date: Tue, 09 Jan 2018 09:11:30 +0200 From: wishmaster Subject: swap_pager_getswapspace(32) Error To: freebsd-net@freebsd.org, freebsd-stable X-Mailer: mail.ukr.net 5.0 Message-Id: <1515479672.203020608.2hyrh1bv@frv52.fwdcdn.com> Received: from artemrts@ukr.net by frv52.fwdcdn.com; Tue, 09 Jan 2018 09:11:30 +0200 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: binary 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, 09 Jan 2018 07:36:36 -0000 Hi, colleagues. In December 2017 I wrote to freebsd-net@ about tons of errors in log-file Jan 5 09:49:40 server kernel: swap_pager_getswapspace(32): failed Jan 5 09:49:40 server kernel: swap_pager_getswapspace(24): failed Jan 5 09:49:40 server kernel: swap_pager_getswapspace(18): failed This errors had happened after I add netgraph rule for my IPFW ruleset. This was just ng_patch for setting TTL on OUTGOING interface. /usr/sbin/ngctl -f- <<-SEQ mkpeer ipfw: patch 100 in name ipfw:100 ttl_set msg ttl_set: setconfig { count=1 csum_flags=1 ops=[ \ { mode=1 value=128 length=1 offset=8 } ] } SEQ /sbin/ipfw add 15002 netgraph 100 ip from me to any { recv re2 or recv epair* } And I did not established the reason for this error, just netgraph rule was removed. After that, after playing with ipfw/fq_codel in VirtualBox I wanted setup it in the production. But after some hours of the work, the old error was occurred. I have 2 identical servers (ZFS mirror, VNET'ed Jails, IPFW ruleset and so on). The difference is only in CPU, amount of RAM and connection to Internet. This server uses pppoe via built-in ppp client. The second server works fine without any errors. I do not understand, is this problem is due to incorrect IPFW ruleset or something else? Without netgraph/dummynet rules I see in top -HSP a lot of processes of MySQL. But innodb_buffer_pool_size is just 2GB. Server has 16GB RAM. PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11570 106 20 0 570M 516M select 3 0:38 0.00% clamd{clamd} 11570 106 20 0 570M 516M select 1 0:00 0.00% clamd{clamd} 10612 88 20 0 2909M 451M uwait 3 0:07 0.01% mysqld{mysqld} 10612 88 20 0 2909M 451M uwait 3 0:04 0.01% mysqld{mysqld} ..... uname -a FreeBSD server 11.1-STABLE FreeBSD 11.1-STABLE #0 r325503: Tue Nov 7 13:38:44 EET 2017 wishmaster@servers:/usr/obj/usr/src/sys/MY amd64 Please help. -- Vitaly