From owner-freebsd-current@FreeBSD.ORG Thu Aug 7 13:46:43 2003 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 8873F37B401; Thu, 7 Aug 2003 13:46:43 -0700 (PDT) Received: from obsecurity.dyndns.org (adsl-64-169-107-97.dsl.lsan03.pacbell.net [64.169.107.97]) by mx1.FreeBSD.org (Postfix) with ESMTP id B697843FB1; Thu, 7 Aug 2003 13:46:42 -0700 (PDT) (envelope-from kris@obsecurity.org) Received: from rot13.obsecurity.org (rot13.obsecurity.org [10.0.0.5]) by obsecurity.dyndns.org (Postfix) with ESMTP id EA0E366D74; Thu, 7 Aug 2003 13:46:41 -0700 (PDT) Received: by rot13.obsecurity.org (Postfix, from userid 1000) id DFFD859D; Thu, 7 Aug 2003 13:46:41 -0700 (PDT) Date: Thu, 7 Aug 2003 13:46:41 -0700 From: Kris Kennaway To: current@FreeBSD.org Message-ID: <20030807204641.GC76161@rot13.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="Y5rl02BVI9TCfPar" Content-Disposition: inline User-Agent: Mutt/1.4.1i cc: alc@FreeBSD.org Subject: LOR (vm_fault.c:286 and vm_kern.c:323) 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: Thu, 07 Aug 2003 20:46:43 -0000 --Y5rl02BVI9TCfPar Content-Type: text/plain; charset=us-ascii Content-Disposition: inline I don't think I've seen this i386 traceback before. Is it harmless as well? Kris lock order reversal 1st 0xc4797e74 vm object (vm object) @ /a/asami/portbuild/i386/src-client/sys/vm/vm_fault.c:286 2nd 0xc082f110 system map (system map) @ /a/asami/portbuild/i386/src-client/sys/vm/vm_kern.c:323 db> trace Debugger(c041242d,c082f110,c044fd31,c044fd31,c044fbb2) at Debugger+0x54 witness_lock(c082f110,8,c044fbb2,143,c028160b) at witness_lock+0x687 _mtx_lock_flags(c082f110,0,c044fbb2,143,3) at _mtx_lock_flags+0xba _vm_map_lock(c082f0b0,c044fbb2,143,c04ad840,2b3) at _vm_map_lock+0x36 kmem_malloc(c082f0b0,1000,101,d8f38ae4,c03ad756) at kmem_malloc+0x3a page_alloc(c083a1c0,1000,d8f38ad7,101,0) at page_alloc+0x27 slab_zalloc(c083a1c0,101,8,c0451605,673) at slab_zalloc+0xc6 uma_zone_slab(c083a1c0,101,c0451605,673,0) at uma_zone_slab+0xe8 uma_zalloc_internal(c083a1c0,0,101,6f7,0) at uma_zalloc_internal+0x4f uma_zfree_arg(c40e19a0,d7a9e450,0,851,80000000) at uma_zfree_arg+0x2c3 swp_pager_meta_ctl(c4797e74,0,0,2,d8f38cbc) at swp_pager_meta_ctl+0x10f swap_pager_unswapped(c0c50200,1,c0438248,b4,d8f38c54) at swap_pager_unswapped+0x2a vm_fault(c48a1b00,284d5000,2,8,c4f7e720) at vm_fault+0x1182 trap_pfault(d8f38d48,1,284d5660,280,284d5660) at trap_pfault+0xe9 trap(2f,807002f,bfbf002f,0,28094630) at trap+0x1f3 calltrap() at calltrap+0x5 --- trap 0xc, eip = 0x284d3040, esp = 0xbfbff3bc, ebp = 0xbfbff3c4 --- db> --Y5rl02BVI9TCfPar Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (FreeBSD) iD8DBQE/MrqxWry0BWjoQKURAgjGAKCVY045bUwd+YodkDi1KiCnfKdQGQCg7FkL 1vxbDN3l2VgY9vifSB0dQyw= =Yu9u -----END PGP SIGNATURE----- --Y5rl02BVI9TCfPar--