From owner-freebsd-bugs@FreeBSD.ORG Tue Feb 1 03:50:25 2005 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 86F7416A4D0 for ; Tue, 1 Feb 2005 03:50:25 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 209EA43D5C for ; Tue, 1 Feb 2005 03:50:25 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.1/8.13.1) with ESMTP id j113oOWr068876 for ; Tue, 1 Feb 2005 03:50:24 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.1/8.13.1/Submit) id j113oOQx068875; Tue, 1 Feb 2005 03:50:24 GMT (envelope-from gnats) Resent-Date: Tue, 1 Feb 2005 03:50:24 GMT Resent-Message-Id: <200502010350.j113oOQx068875@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, Theo Schlossnagle Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B08FE16A4CE for ; Tue, 1 Feb 2005 03:46:40 +0000 (GMT) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9454343D31 for ; Tue, 1 Feb 2005 03:46:40 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id j113kekI053903 for ; Tue, 1 Feb 2005 03:46:40 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id j113keo2053902; Tue, 1 Feb 2005 03:46:40 GMT (envelope-from nobody) Message-Id: <200502010346.j113keo2053902@www.freebsd.org> Date: Tue, 1 Feb 2005 03:46:40 GMT From: Theo Schlossnagle To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Subject: kern/76937: Page fault while in kernel mode under heavy disk I/O with KSE X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 01 Feb 2005 03:50:25 -0000 >Number: 76937 >Category: kern >Synopsis: Page fault while in kernel mode under heavy disk I/O with KSE >Confidential: no >Severity: critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Feb 01 03:50:24 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Theo Schlossnagle >Release: FreeBSD 5.3 >Organization: OmniTI Computer Consulting, Inc. >Environment: FreeBSD ecbuild-16 5.3-RELEASE-p4 FreeBSD 5.3-RELEASE-p4 #0: Mon Jan 17 19:18:11 UTC 2005 root@ecbuild-16:/usr/obj/usr/src/sys/EDGE750b i386 >Description: After several minutes of intense disk I/O and network I/O our MTA induces a kernel panic. Despite the use of dumpon, no image is available for savecore upon reboots. All testing on dual processor Xeons. Repeated with and without hyperthreading enabled, with custom kernel and GENERIC and GENERIC with SMP on. Problem does not occur if explicitly linked against libc_r. >How-To-Repeat: Run /opt/ecelerity/sbin/ecelerity under production load. >Fix: >Release-Note: >Audit-Trail: >Unformatted: