From owner-freebsd-current@FreeBSD.ORG Wed Sep 3 16:29:54 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 0038D16A4BF for ; Wed, 3 Sep 2003 16:29:54 -0700 (PDT) Received: from noir.propagation.net (noir.propagation.net [63.249.159.34]) by mx1.FreeBSD.org (Postfix) with ESMTP id 45B3D43FF2 for ; Wed, 3 Sep 2003 16:29:53 -0700 (PDT) (envelope-from nickh@supportteam.net) Received: from dotnet (c66.169.110.87.ts46v-03.otn-a1.ftwrth.tx.charter.com [66.169.110.87]) by noir.propagation.net (8.9.3p2/8.8.5) with ESMTP id SAA00448 for ; Wed, 3 Sep 2003 18:31:58 -0500 Message-ID: <000901c37273$512e7330$0402a8c0@dotnet> From: "Nick H. - Network Operations" To: Date: Wed, 3 Sep 2003 18:30:10 -0500 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.3663.0 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.3663.0 Subject: lockorder reversal on vm_object.c vm_kern.c (with backtrace) 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: Wed, 03 Sep 2003 23:29:54 -0000 Got this error today when I dropped out of X/KDE. First time I've seen it pop up when dropping out of X/KDE. Machne got real sluggish when I did exit out and took a couple of minutes for console to re-appear and the first thing that jumped across when console did come back up was the following: lock order reversal 1st 0xc8a18534 vm object (vm object) @ /usr/src/sys/vm/vm_object.c:512 2nd 0xc082f110 system map (system map) @ /usr/src/sys/vm/vm_kern.c:325 Stack backtrace: backtrace(c0517ac1,c082f110,c05292c2,c05292c2,c052915d) at backtrace+0x17 witness_lock(c082f110,8,c052915d,145,0) at witness_lock+0x697 _mtx_lock_flags(c082f110,0,c052915d,145,3) at _mtx_lock_flags+0xb1 _vm_map_lock(c082f0b0,c052915d,145,e847ea58,c03334d4) at _vm_map_lock+0x36 kmem_malloc(c082f0b0,1000,101,e847eac4,c0478510) at kmem_malloc+0x66 page_alloc(c083a240,1000,e847eab7,101,c058294c) at page_alloc+0x27 slab_zalloc(c083a240,101,c052ab26,66f,c5c6a4a4) at slab_zalloc+0x150 uma_zone_slab(c083a240,101,c052ab26,66f,0) at uma_zone_slab+0xd8 uma_zalloc_internal(c083a240,0,101,6ef,0) at uma_zalloc_internal+0x55 uma_zfree_arg(c5c6a480,e69739b4,0,1,0) at uma_zfree_arg+0x2cb swp_pager_meta_free_all(c8a18534,c0528b64,c0528af8,1af) at swp_pager_meta_free_all+0x1b0 swap_pager_dealloc(c8a18534,1,c052aa29,10b,0) at swap_pager_dealloc+0x113 vm_pager_deallocate(c8a18534,0,c0529bff,25e,c05cd328) at vm_pager_deallocate+0x3d vm_object_terminate(c8a18534,0,c0529bff,200,c8a4603c) at vm_object_terminate+0x1f4 vm_object_deallocate(c8a18534,c8a4603c,c8a18534,c8a4603c,e847ec64) at vm_object_deallocate+0x20f vm_map_entry_delete(c60a7600,c8a4603c,c0529330,86e,c0513401) at vm_map_entry_delete+0x3b vm_map_delete(c60a7600,0,bfc00000,c60a7600,c5c54e80) at vm_map_delete+0x453 vm_map_remove(c60a7600,0,bfc00000,111,c0512a23) at vm_map_remove+0x58 exit1(c5fb7260,100,c0512a23,63,e847ed40) at exit1+0x626 sys_exit(c5fb7260,e847ed10,c052ebcf,3fb,1) at sys_exit+0x41 syscall(2f,2f,2f,0,2ae4) at syscall+0x26e Xint0x80_syscall() at Xint0x80_syscall+0x1d --- syscall (1), eip = 0x2902b71f, esp = 0xbfbff08c, ebp = 0xbfbff0b8 --- *shrug* Figured someone here would know what's going on. >From uname -a: 5.1-RELEASE #7: Wed Jun 18 Sources are from around Jun 9-18. Any suggestions are more than welcome. Thanks! Regards, Nick H. nickh@supportteam.net