From owner-freebsd-bugs@FreeBSD.ORG Tue Aug 14 06:40:11 2012 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8CA08106564A for ; Tue, 14 Aug 2012 06:40:11 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 1EBB48FC15 for ; Tue, 14 Aug 2012 06:40:11 +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 q7E6eA2k072595 for ; Tue, 14 Aug 2012 06:40:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q7E6eADZ072594; Tue, 14 Aug 2012 06:40:10 GMT (envelope-from gnats) Resent-Date: Tue, 14 Aug 2012 06:40:10 GMT Resent-Message-Id: <201208140640.q7E6eADZ072594@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, Max Johnson Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 67025106566B for ; Tue, 14 Aug 2012 06:38:31 +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 0D0918FC16 for ; Tue, 14 Aug 2012 06:38:31 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q7E6cUCg030667 for ; Tue, 14 Aug 2012 06:38:30 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id q7E6cUoO030666; Tue, 14 Aug 2012 06:38:30 GMT (envelope-from nobody) Message-Id: <201208140638.q7E6cUoO030666@red.freebsd.org> Date: Tue, 14 Aug 2012 06:38:30 GMT From: Max Johnson To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/170627: Kernel memomry leak when polling cpu temperature via coretemp kernel module. X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Aug 2012 06:40:11 -0000 >Number: 170627 >Category: kern >Synopsis: Kernel memomry leak when polling cpu temperature via coretemp kernel module. >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: Tue Aug 14 06:40:10 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Max Johnson >Release: 9.0 >Organization: >Environment: FreeBSD devel.host 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12 02:52:29 UTC 2012 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 >Description: coretemp kernel module is loaded by: kldload coretemp every minute sysctl counters is polled by stats scripts and stored id rrd's. active memory usage always growing and after 15-20 days we have a kernel panic. Additional information: Aug 2 15:58:22 devel kernel: CPU: Intel(R) Xeon(R) CPU X3230 @ 2.66GHz (2660.05-MHz K8-class CPU) Aug 2 15:58:22 devel kernel: Origin = "GenuineIntel" Id = 0x6fb Family = 6 Model = f Stepping = 11 Aug 2 15:58:22 devel kernel: Features=0xbfebfbff Aug 2 15:58:22 devel kernel: Features2=0xe3bd Aug 2 15:58:22 devel kernel: AMD Features=0x20100800 Aug 2 15:58:22 devel kernel: AMD Features2=0x1 Aug 2 15:58:22 devel kernel: TSC: P-state invariant, performance statistics Aug 2 15:58:22 devel kernel: real memory = 8589934592 (8192 MB) Aug 2 15:58:22 devel kernel: avail memory = 8245788672 (7863 MB) ..... Aug 2 15:58:34 devel kernel: coretemp0: on cpu0 Aug 2 15:58:34 devel kernel: est0: on cpu0 Aug 2 15:58:34 devel kernel: est: CPU supports Enhanced Speedstep, but is not recognized. Aug 2 15:58:34 devel kernel: est: cpu_vendor GenuineIntel, msr a230a2306000a23 Aug 2 15:58:34 devel kernel: device_attach: est0 attach returned 6 Aug 2 15:58:34 devel kernel: coretemp1: on cpu1 Aug 2 15:58:34 devel kernel: est1: on cpu1 Aug 2 15:58:34 devel kernel: est: CPU supports Enhanced Speedstep, but is not recognized. Aug 2 15:58:34 devel kernel: est: cpu_vendor GenuineIntel, msr a230a2306000a23 Aug 2 15:58:34 devel kernel: device_attach: est1 attach returned 6 Aug 2 15:58:34 devel kernel: coretemp2: on cpu2 Aug 2 15:58:34 devel kernel: est2: on cpu2 Aug 2 15:58:34 devel kernel: est: CPU supports Enhanced Speedstep, but is not recognized. Aug 2 15:58:34 devel kernel: est: cpu_vendor GenuineIntel, msr a230a2306000a23 Aug 2 15:58:34 devel kernel: device_attach: est2 attach returned 6 Aug 2 15:58:34 devel kernel: coretemp3: on cpu3 Aug 2 15:58:34 devel kernel: est3: on cpu3 Aug 2 15:58:34 devel kernel: est: CPU supports Enhanced Speedstep, but is not recognized. Aug 2 15:58:34 devel kernel: est: cpu_vendor GenuineIntel, msr a230a2306000a23 Aug 2 15:58:34 devel kernel: device_attach: est3 attach returned 6 >How-To-Repeat: Just load coretemp module and pool actively (every few seconds) a temperature counters. Active memory will grow slowly. >Fix: Do not load and use coretemp module. >Release-Note: >Audit-Trail: >Unformatted: