From owner-freebsd-questions@FreeBSD.ORG Wed Nov 6 15:21:17 2013 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 276505B8 for ; Wed, 6 Nov 2013 15:21:17 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from eu1sys200aog117.obsmtp.com (eu1sys200aog117.obsmtp.com [207.126.144.143]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 7B81A26B3 for ; Wed, 6 Nov 2013 15:21:16 +0000 (UTC) Received: from mail-we0-f182.google.com ([74.125.82.182]) (using TLSv1) by eu1sys200aob117.postini.com ([207.126.147.11]) with SMTP ID DSNKUnpeVuBfFol7TD7n7y8MX3LeXx4jCd8W@postini.com; Wed, 06 Nov 2013 15:21:16 UTC Received: by mail-we0-f182.google.com with SMTP id t61so5161986wes.27 for ; Wed, 06 Nov 2013 07:20:54 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:date:from:message-id:to:subject:reply-to; bh=mDt2K+Hqv9a9puaf4aOIY4VEcaiEguKa1c6jXceUgsY=; b=PfmreuZsyMq6izsFxnM1ZfCHSN3lcX4cQmRenUruZNx2g4A09JIgoBrOe1pV9Xi/Zl 5m7BpYmDVycyqJBMq7lQ2rhhDIn+r8XCpuZUPHCOgvpS89538SNso7jEz+mex+G5D4Vx 2hJK7UG2UEnjLGe2MT3yUK3uomFTpJ3IN2CkFUAyyEK0BCMxh2KrlekUY5jBzx/PmTT1 W1bzvBs8tVcHkeZeAH0x8kakP+nW0flAVbYu7SOA1b88YCEf7WdN3Vmwg03insdaxoAd vOJz/kBj3JO066FEglnA3UkgjyFdMS9JLEjYDPjjOQ/1CuvTk4I95Epd2cd8LEfIvf6N clkw== X-Gm-Message-State: ALoCoQnqDSx1AM4enBtJeZwIwsKrQPaw/43u6EMuxEK00QK58ViPA+t8L4RCXeHr2w9vzT637R81MaXIvdJ019b5vrei+SHLQMgr/A+ncCuU2gM3u90LXcDWyUw1MLi1Al3ae1swXWciBpOBx/eycL7kdVCv90Kna6XvZcPrgFB0lHXrVzQi2SSPiQ2VtGgF3s2e+CAQVckP X-Received: by 10.180.87.69 with SMTP id v5mr2849086wiz.45.1383751254226; Wed, 06 Nov 2013 07:20:54 -0800 (PST) X-Received: by 10.180.87.69 with SMTP id v5mr2849076wiz.45.1383751254015; Wed, 06 Nov 2013 07:20:54 -0800 (PST) Received: from mech-cluster241.men.bris.ac.uk (mech-cluster241.men.bris.ac.uk. [137.222.187.241]) by mx.google.com with ESMTPSA id d11sm3706773wic.4.2013.11.06.07.20.52 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 06 Nov 2013 07:20:53 -0800 (PST) Sender: Anton Shterenlikht Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.7/8.14.6) with ESMTP id rA6FKoeA084475 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Wed, 6 Nov 2013 15:20:50 GMT (envelope-from mexas@mech-cluster241.men.bris.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.7/8.14.6/Submit) id rA6FKovr084474 for freebsd-questions@freebsd.org; Wed, 6 Nov 2013 15:20:50 GMT (envelope-from mexas) Date: Wed, 06 Nov 2013 07:20:53 -0800 (PST) From: Anton Shterenlikht Message-Id: <201311061520.rA6FKovr084474@mech-cluster241.men.bris.ac.uk> To: freebsd-questions@freebsd.org Subject: kernel{thread taskq} 100% CPU X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: mexas@bris.ac.uk List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Nov 2013 15:21:17 -0000 I get a lot of: PID USERNAME PRI NICE SIZE RES STATE C TIME CPU COMMAND 0 root 8 0 0K 416K CPU0 0 186:02 100.00% kernel{thread taskq} on my ia64 boxes. What is this thead? And why is it so busy? I've seen several similar questions on the net, but never any answers. Is this thread described in any man or wiki page? Thanks Anton