From owner-freebsd-current@FreeBSD.ORG Fri Jun 27 02:30:56 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 12DE237B401 for ; Fri, 27 Jun 2003 02:30:56 -0700 (PDT) Received: from white.imgsrc.co.jp (ns.imgsrc.co.jp [210.226.20.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id EB1CF43FF7 for ; Fri, 27 Jun 2003 02:30:54 -0700 (PDT) (envelope-from kuriyama@imgsrc.co.jp) Received: from localhost (localhost [127.0.0.1]) by white.imgsrc.co.jp (Postfix) with ESMTP id 99A6A4274 for ; Fri, 27 Jun 2003 18:30:50 +0900 (JST) Received: from black.imgsrc.co.jp (black.imgsrc.co.jp [2001:218:422:2::130]) by white.imgsrc.co.jp (Postfix) with ESMTP id E8280424A for ; Fri, 27 Jun 2003 18:30:49 +0900 (JST) Received: from black.imgsrc.co.jp (black.imgsrc.co.jp [2001:218:422:2::130]) by black.imgsrc.co.jp (Postfix) with ESMTP id C480E1E4641 for ; Fri, 27 Jun 2003 18:30:49 +0900 (JST) Date: Fri, 27 Jun 2003 18:30:49 +0900 Message-ID: <7mu1ab3m0m.wl@black.imgsrc.co.jp> From: Jun Kuriyama To: Current User-Agent: Wanderlust/2.10.0 (Venus) SEMI/1.14.5 (Awara-Onsen) FLIM/1.14.5 (Demachiyanagi) APEL/10.4 Emacs/21.2 (i386--freebsd) MULE/5.0 (SAKAKI) MIME-Version: 1.0 (generated by SEMI 1.14.5 - "Awara-Onsen") Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by AMaViS snapshot-20020531 Subject: LOR: vm object (vm object) @ vm/vm_object.c:432 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, 27 Jun 2003 09:30:56 -0000 I got this with today's kernel: lock order reversal 1st 0xc851e2e4 vm object (vm object) @ vm/vm_object.c:432 2nd 0xc082f110 system map (system map) @ vm/vm_kern.c:328 Stack backtrace: backtrace(c03f57e2,c082f110,c040afd9,c040afd9,c040ae81) at backtrace+0x17 witness_lock(c082f110,8,c040ae81,148,0) at witness_lock+0x697 _mtx_lock_flags(c082f110,0,c040ae78,148,3) at _mtx_lock_flags+0xb2 _vm_map_lock(c082f0b0,c040ae78,148,e8ff4ab0,c0236e34) at _vm_map_lock+0x36 kmem_malloc(c082f0b0,1000,101,e8ff4b1c,c03715ca) at kmem_malloc+0x66 page_alloc(c083a200,1000,e8ff4b0f,101,c044516c) at page_alloc+0x27 slab_zalloc(c083a200,101,c040c816,664,c083a814) at slab_zalloc+0x14a uma_zone_slab(c083a200,101,c040c80d,664,0) at uma_zone_slab+0xd8 uma_zalloc_internal(c083a200,0,101,6e8,0) at uma_zalloc_internal+0x55 uma_zfree_arg(c083a800,c85b4090,0,e8ff4bc8,c03589d8) at uma_zfree_arg+0x2e7 dev_pager_putfake(c85b4090,0,c040a60a,be,c851e2e4) at dev_pager_putfake+0x3a dev_pager_dealloc(c851e2e4,1,c040c71c,10c,0) at dev_pager_dealloc+0xc8 vm_pager_deallocate(c851e2e4,0,c040b90a,25f,282df000) at vm_pager_deallocate+0x3d vm_object_terminate(c851e2e4,0,c040b90a,1b0,c857d960) at vm_object_terminate+0x1f4 vm_object_deallocate(c851e2e4,c851b708,c851e2e4,c851b708,e8ff4c9c) at vm_object_deallocate+0x377 vm_map_entry_delete(c3b09b00,c851b708,c040b047,86b,c03f0e5a) at vm_map_entry_delete+0x3b vm_map_delete(c3b09b00,282df000,282e0000,1000,282df000) at vm_map_delete+0x3e3 vm_map_remove(c3b09b00,282df000,282e0000,0,c829eda8) at vm_map_remove+0x58 munmap(c829f980,e8ff4d10,c0410a80,3fd,2) at munmap+0x9e syscall(2f,2f,2f,c7000,1000) at syscall+0x26e Xint0x80_syscall() at Xint0x80_syscall+0x1d --- syscall (73), eip = 0x28251f33, esp = 0xbfbef80c, ebp = 0xbfbef838 --- -- Jun Kuriyama // IMG SRC, Inc.