Date: Wed, 19 Apr 2000 06:59:39 -0700 (PDT) From: kokg@geo.vu.nl To: freebsd-gnats-submit@FreeBSD.org Subject: kern/18096: random crashes probably caused by lockmgr panics Message-ID: <200004191359.GAA00521@freefall.freebsd.org>
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>Number: 18096 >Category: kern >Synopsis: random crashes probably caused by lockmgr panics >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Apr 19 07:00:01 PDT 2000 >Closed-Date: >Last-Modified: >Originator: Gerard Kok >Release: 4.0-RELEASE >Organization: Vrije Universiteit Amsterdam, Faculty of Earth Sciences >Environment: FreeBSD prugna.geo.vu.nl 4.0-RELEASE FreeBSD 4.0-RELEASE #0: Wed Mar 15 02:16:55 GMT 2000 jkh@monster.cdrom.com:/usr/src/sys/compile/GENERIC i386 for example (it's happening on all our 4.0-RELEASE machines) >Description: I recently upgraded some of our FreeBSD printservers from 2.2.[56]-RELEASE to 4.0-RELEASE, and now I'm experiencing random crashes on all ten of them, about once every week. Usually there's nothing in the logs, but today the following message: Apr 19 15:18:35 prugna /kernel: panic: lockmgr: pid 81526, not exclusive lock ho lder 81492 unlocking Apr 19 15:18:35 prugna /kernel: Apr 19 15:18:35 prugna /kernel: syncing disks... panic: getnewbuf: locked buf Apr 19 15:18:35 prugna /kernel: Uptime: 7d2h52m19s Apr 19 15:18:35 prugna /kernel: Automatic reboot in 15 seconds - press a key on the console to abort Apr 19 15:18:35 prugna /kernel: Rebooting... >How-To-Repeat: Just wait ;) (I haven't figured out a way yet to immediately trigger the bug). >Fix: Not known. >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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