From owner-freebsd-current@FreeBSD.ORG Fri Mar 25 20:46:05 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 2A98A16A4CE for ; Fri, 25 Mar 2005 20:46:05 +0000 (GMT) Received: from mail27.sea5.speakeasy.net (mail27.sea5.speakeasy.net [69.17.117.29]) by mx1.FreeBSD.org (Postfix) with ESMTP id E4D6A43D1F for ; Fri, 25 Mar 2005 20:46:04 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 28684 invoked from network); 25 Mar 2005 20:46:04 -0000 Received: from server.baldwin.cx ([216.27.160.63]) (envelope-sender )AES256-SHA encrypted SMTP for ; 25 Mar 2005 20:46:03 -0000 Received: from [10.50.41.231] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id j2PKjtGl079742 for ; Fri, 25 Mar 2005 15:45:56 -0500 (EST) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: current@FreeBSD.org Date: Fri, 25 Mar 2005 15:46:41 -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: <200503251546.41187.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 Subject: Panic: HEAD as of March 23rd: duplicate free of an mbuf 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, 25 Mar 2005 20:46:05 -0000 Panic on a 4 CPU box running buildworld -j 8 in a loop: FreeBSD/i386 (deimos.baldwin.cx) (ttyd0) login: Slab at 0xc2280fa8, freei 8 = 0. panic: Duplicate free of item 0xc2280800 from zone 0xc103d840(Mbuf) cpuid = 1 KDB: enter: panic [thread pid 15027 tid 100093 ] Stopped at kdb_enter+0x30: leave db> tr Tracing pid 15027 tid 100093 td 0xc214e000 kdb_enter(c071f8c3,1,c073217f,e00e1b88,c214e000) at kdb_enter+0x30 panic(c073217f,c2280800,c103d840,c071e194,c2280800) at panic+0x14e uma_dbg_free(c103d840,0,c2280800,8e4,1) at uma_dbg_free+0x17b uma_zfree_arg(c103d840,c2280800,0,4ed,c4d44300) at uma_zfree_arg+0x131 soreceive(c4d44298,0,e00e1c80,0,0,e00e1c50,4000) at soreceive+0xa9c fifo_read_f(c4383ea0,e00e1c80,c2515a00,0,c214e000) at fifo_read_f+0x72 dofileread(c214e000,c4383ea0,3,bfbfd667,1) at dofileread+0xcc read(c214e000,e00e1d14,c,3ff,3) at read+0x6b syscall(808002f,836002f,bfbf002f,bfbfd6a0,0) at syscall+0x2a0 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (3, FreeBSD ELF32, read), eip = 0x805cd2f, esp = 0xbfbfd64c, ebp = 0xbfbfd668 --- db> x 0xc2280800,80 0xc2280800: 0 0 c2280830 1 0xc2280810: 8002 1 0 1 0xc2280820: 0 0 6 0 0xc2280830: 2b2b2b2b 0 2000000 a3860100 0xc2280840: 2000000 1000000 1000000 24000000 0xc2280850: 0 0 e9030000 e9030000 0xc2280860: 4000000 e9030000 0 5000000 0xc2280870: 84030000 0 0 177a1cc8 0xc2280880: cee57618 48144ba7 4000dfbf c696cf4 0xc2280890: 23e20000 8f517 68000045 4f1c 0xc22808a0: dadc1140 a00a8c0 100a8c0 a102d602 0xc22808b0: f6765400 2d3c4842 0 2000000 0xc22808c0: a4860100 2000000 5000000 0 0xc22808d0: 0 0 0 7000000 0xc22808e0: 2d62686a 637774 c000000 756f7267 0xc22808f0: 79622e70 656d616e 4000000 6e686f6a 0xc2280900: 0 0 c228098a 76 0xc2280910: 8002 1 0 76 0xc2280920: 0 0 6 0 0xc2280930: 2b2b 0 3f000000 2b2b2b2b 0xc2280940: 3002b2b 3000000 1000000 24000000 0xc2280950: 0 0 e9030000 e9030000 0xc2280960: 4000000 e9030000 0 5000000 0xc2280970: 84030000 0 0 0 0xc2280980: 0 0 40008701 c696cf4 0xc2280990: 23e20000 8f517 68000045 b91b 0xc22809a0: 70dd1140 a00a8c0 100a8c0 a102fcff 0xc22809b0: a6c85400 e06f4f42 0 2000000 0xc22809c0: a4860100 2000000 3000000 0 0xc22809d0: 0 0 0 7000000 0xc22809e0: 2d62686a 637774 c000000 73736170 0xc22809f0: 622e6477 64697579 3000000 303039 -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org