From owner-freebsd-current@FreeBSD.ORG Fri Mar 11 14:50:08 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2871E16A4CE for ; Fri, 11 Mar 2005 14:50:08 +0000 (GMT) Received: from mail27.sea5.speakeasy.net (mail27.sea5.speakeasy.net [69.17.117.29]) by mx1.FreeBSD.org (Postfix) with ESMTP id A74A943D58 for ; Fri, 11 Mar 2005 14:50:07 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 22169 invoked from network); 11 Mar 2005 14:50:07 -0000 Received: from server.baldwin.cx ([216.27.160.63]) (envelope-sender )AES256-SHA encrypted SMTP for ; 11 Mar 2005 14:50:07 -0000 Received: from [10.50.40.202] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id j2BEnkX1060174; Fri, 11 Mar 2005 09:49:58 -0500 (EST) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: current@FreeBSD.org Date: Fri, 11 Mar 2005 09:51:20 -0500 User-Agent: KMail/1.6.2 MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Message-Id: <200503110951.20303.jhb@FreeBSD.org> X-Spam-Status: No, score=-102.8 required=4.2 tests=ALL_TRUSTED, USER_IN_WHITELIST autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx cc: jeffr@FreeBSD.org Subject: panic on HEAD from 3/9: vrele: missed vn_close X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Mar 2005 14:50:08 -0000 Got this on an Alpha DS20 (dual 500 EV6's) running HEAD from 3/9 while doing a loop of buildworld -j 8 with 4BSD but no PREEMPTION: login: VNASSERT failed 0xfffffc0025f68d90: tag ufs, type VFIFO usecount 24, writecount 24, refcount 0 mountedhere 0xfffffc0000a1f600 flags () VI_LOCKed v_object 0 ino 9420, on dev da1a, fifo with 23 readers and 23 writers panic: vrele: missed vn_close cpuid = 0 KDB: enter: panic [thread pid 31057 tid 100224 ] Stopped at kdb_enter+0x48: or zero,zero,zero db> tr Tracing pid 31057 tid 100224 td 0xfffffc002282aa80 kdb_enter() at kdb_enter+0x48 panic() at panic+0x210 vrele() at vrele+0x98 vn_close() at vn_close+0xd4 vn_closefile() at vn_closefile+0x11c fifo_close_f() at fifo_close_f+0x1c fdrop_locked() at fdrop_locked+0xe4 fdrop() at fdrop+0x4c closef() at closef+0x460 close() at close+0x278 syscall() at syscall+0x38c XentSys() at XentSys+0x64 --- syscall (6, FreeBSD ELF64, close) --- --- user mode --- db> x 0xfffffc0025f68d90,40 0xfffffc0025f68d90: 7 0 65b789 fffffc00 0xfffffc0025f68da0: 6d5638 fffffc00 31c540d0 fffffc00 0xfffffc0025f68db0: ba6c00 fffffc00 234941f0 fffffc00 0xfffffc0025f68dc0: 2a6fa218 fffffc00 a1f600 fffffc00 0xfffffc0025f68dd0: 0 0 bedc138 fffffc00 0xfffffc0025f68de0: bedc158 fffffc00 a532b 0 0xfffffc0025f68df0: 25f68d90 fffffc00 0 0 0xfffffc0025f68e00: 0 0 0 0 0xfffffc0025f68e10: 0 0 0 0 0xfffffc0025f68e20: 709650 fffffc00 1000040 0 0xfffffc0025f68e30: 0 500000 65b789 fffffc00 0xfffffc0025f68e40: 34 0 ffffffff ffffffff 0xfffffc0025f68e50: 0 0 6bf1b8 fffffc00 0xfffffc0025f68e60: 65d63d fffffc00 65d63d fffffc00 0xfffffc0025f68e70: 30000 0 0 0 0xfffffc0025f68e80: 0 0 0 0 -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org