Date: Tue, 1 Feb 2005 03:46:40 GMT From: Theo Schlossnagle <jesus@omniti.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/76937: Page fault while in kernel mode under heavy disk I/O with KSE Message-ID: <200502010346.j113keo2053902@www.freebsd.org> Resent-Message-ID: <200502010350.j113oOQx068875@freefall.freebsd.org>
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>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:
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