From owner-freebsd-bugs@FreeBSD.ORG Sat Nov 10 23:50:01 2012 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 3A23BE1E for ; Sat, 10 Nov 2012 23:50:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id E93678FC08 for ; Sat, 10 Nov 2012 23:50:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id qAANo0XR050648 for ; Sat, 10 Nov 2012 23:50:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id qAANo0Rx050647; Sat, 10 Nov 2012 23:50:00 GMT (envelope-from gnats) Resent-Date: Sat, 10 Nov 2012 23:50:00 GMT Resent-Message-Id: <201211102350.qAANo0Rx050647@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Viktor Štujber Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 073ADDEC for ; Sat, 10 Nov 2012 23:42:08 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id E46338FC0C for ; Sat, 10 Nov 2012 23:42:07 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.5/8.14.5) with ESMTP id qAANg7US074164 for ; Sat, 10 Nov 2012 23:42:07 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.5/8.14.5/Submit) id qAANg71Y074162; Sat, 10 Nov 2012 23:42:07 GMT (envelope-from nobody) Message-Id: <201211102342.qAANg71Y074162@red.freebsd.org> Date: Sat, 10 Nov 2012 23:42:07 GMT From: Viktor Štujber To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: kern/173541: load average 0.60 at 100% idle X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 10 Nov 2012 23:50:01 -0000 >Number: 173541 >Category: kern >Synopsis: load average 0.60 at 100% idle >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Nov 10 23:50:00 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Viktor Štujber >Release: 9.1-RC3 >Organization: >Environment: FreeBSD poring 9.1-RC3 FreeBSD 9.1-RC3 #0 r242461: Fri Nov 2 01:17:26 CET 2012 root@poring:/usr/src/sys/PORING amd64 >Description: I run FreeBSD on an intel atom D525MWV board. On recent FreeBSD versions, I am observing unusual load averages reported by 'top' even when 100% idle. It happens in a normal system, in single user mode, and on official usb install images. I have not yet confirmed if the load is real or if it's just kernel reporting the values wrong. Here are kernels that I have tried. Four of them are from the currently available usb memstick installers; the 2011 one is a version I've been successfully using for a year until downgrading recently. 8.3-RELEASE amd64 2012-04-09 -> load 0.02 after 5 minutes idle 9.0-RELEASE amd64 2012-01-03 -> load 0.02 after 5 minutes idle 10.0-CURRENT amd64 2011-11-12 (cvs) -> load 0.02 after 5 minutes idle 9.1-RC3 amd64 2012-10-30 (r242324) -> load 0.60 after 5 minutes idle 10.0-CURRENT amd64 2012-11-02 (r242464) -> load 0.60 after 5 minutes idle >How-To-Repeat: 1) boot system on affected hardware(?) 2) leave 'top' running for a few minutes 3) observe load averages >Fix: >Release-Note: >Audit-Trail: >Unformatted: