Date: Sat, 8 Feb 2003 11:40:58 -0400 (AST) From: "Marc G.Fournier" <scrappy@hub.org> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/48092: Fatal trap 12: page fault while in kernel mode Message-ID: <20030208154058.7D0C78A2B75@hub.org>
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>Number: 48092 >Category: kern >Synopsis: Fatal trap 12: page fault while in kernel mode >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Feb 08 07:50:00 PST 2003 >Closed-Date: >Last-Modified: >Originator: Marc G. Fournier >Release: FreeBSD 4.7-STABLE i386 >Organization: Hub.Org Networking Services (http://www.hub.org) >Environment: System: FreeBSD jupiter.hub.org 4.7-STABLE FreeBSD 4.7-STABLE #24: Thu Feb 6 13:48:43 CST 2003 root@jupiter.hub.org:/usr/obj/usr/src/sys/kernel i386 >Description: Fatal trap 12: page fault while in kernel mode mp_lock = 01000002; cpuid = 1; lapic.id = 01000000 fault virtual address = 0xc fault code = supervisor read, page not present instruction pointer = 0x8:0xc01b1f3a stack pointer = 0x10:0xf5a9ed8c frame pointer = 0x10:0xf5a9eda4 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 44277 (perl) interrupt mask = none <- SMP: XXX trap number = 12 panic: page fault mp_lock = 01000002; cpuid = 1; lapic.id = 01000000 boot() called on cpu#1 .... (kgdb) where #0 0xc959e256 in ?? () #1 0xc013fb78 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:223 #2 0xc014029d in panic (fmt=0xc02136d9 "%s") at /usr/src/sys/kern/kern_shutdown.c:595 #3 0xc01e6e9d in trap_fatal (frame=0xf5a9ed4c, eva=12) at /usr/src/sys/i386/i386/trap.c:974 #4 0xc01e6b09 in trap_pfault (frame=0xf5a9ed4c, usermode=0, eva=12) at /usr/src/sys/i386/i386/trap.c:867 #5 0xc01e6663 in trap (frame={tf_fs = -173473768, tf_es = -1072562160, tf_ds = -1072562160, tf_edi = -1071398996, tf_esi = -118494016, tf_ebp = -173412956, tf_isp = -173413000, tf_ebx = 0, tf_edx = -454654960, tf_ecx = -119140352, tf_eax = -1071398996, tf_trapno = 12, tf_err = 0, tf_eip = -1071964358, tf_cs = 8, tf_eflags = 66067, tf_esp = -118494016, tf_ss = -118494016}) at /usr/src/sys/i386/i386/trap.c:466 #6 0xc01b1f3a in vm_map_simplify_entry (map=0xc023bfac, entry=0xf8efecc0) at /usr/src/sys/vm/vm_map.c:785 #7 0xc01b20e2 in _vm_map_clip_start (map=0xc023bfac, entry=0xf8efecc0, start=4175826944) at /usr/src/sys/vm/vm_map.c:864 #8 0xc01b33fb in vm_map_delete (map=0xc023bfac, start=4175826944, end=4175843328) at /usr/src/sys/vm/vm_map.c:2084 #9 0xc01b35ca in vm_map_remove (map=0xc023bfac, start=4175826944, end=4175843328) at /usr/src/sys/vm/vm_map.c:2198 #10 0xc01b1161 in kmem_free (map=0xc023bfac, addr=4175826944, size=16384) at /usr/src/sys/vm/vm_kern.c:233 #11 0xc01513a8 in pipe_free_kmem (cpipe=0xf4fadd20) at /usr/src/sys/kern/sys_pipe.c:1166 #12 0xc015151e in pipeclose (cpipe=0xf4fadd20) at /usr/src/sys/kern/sys_pipe.c:1222 #13 0xc015136d in pipe_close (fp=0xcf61a680, p=0xf592f1e0) at /usr/src/sys/kern/sys_pipe.c:1153 #14 0xc0135887 in fdrop (fp=0xcf61a680, p=0xf592f1e0) at /usr/src/sys/sys/file.h:218 #15 0xc01357cf in closef (fp=0xcf61a680, p=0xf592f1e0) at /usr/src/sys/kern/kern_descrip.c:1279 #16 0xc0134bd1 in close (p=0xf592f1e0, uap=0xf5a9ef80) at /usr/src/sys/kern/kern_descrip.c:581 #17 0xc01e71d9 in syscall2 (frame={tf_fs = -1071841233, tf_es = 47, tf_ds = 47, tf_edi = 0, tf_esi = 673010328, tf_ebp = -1077937488, tf_isp = -173412396, tf_ebx = 672935044, tf_edx = 672131780, tf_ecx = 134911024, tf_eax = 6, tf_trapno = 22, tf_err = 2, tf_eip = 672888400, tf_cs = 31, tf_eflags = 643, tf_esp = -1077937532, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1175 #18 0xc01d451b in Xint0x80_syscall () #19 0x281a574b in ?? () #20 0x280c0e70 in ?? () #21 0x28084820 in ?? () #22 0x280847b5 in ?? () #23 0x2808846b in ?? () #24 0x2807f145 in ?? () #25 0x280e8f34 in ?? () #26 0x8048e75 in ?? () #27 0x8048d61 in ?? () (kgdb) up 5 #5 0xc01e6663 in trap (frame={tf_fs = -173473768, tf_es = -1072562160, tf_ds = -1072562160, tf_edi = -1071398996, tf_esi = -118494016, tf_ebp = -173412956, tf_isp = -173413000, tf_ebx = 0, tf_edx = -454654960, tf_ecx = -119140352, tf_eax = -1071398996, tf_trapno = 12, tf_err = 0, tf_eip = -1071964358, tf_cs = 8, tf_eflags = 66067, tf_esp = -118494016, tf_ss = -118494016}) at /usr/src/sys/i386/i386/trap.c:466 466 (void) trap_pfault(&frame, FALSE, eva); (kgdb) frame frame->tf_ebp frame->tf_eip #0 vm_map_simplify_entry (map=0xc023bfac, entry=0xf8efecc0) at /usr/src/sys/vm/vm_map.c:786 786 prevsize = prev->end - prev->start; (kgdb) list 781 return; 782 } 783 784 prev = entry->prev; 785 if (prev != &map->header) { 786 prevsize = prev->end - prev->start; 787 if ( (prev->end == entry->start) && 788 (prev->object.vm_object == entry->object.vm_object) && 789 (!prev->object.vm_object || 790 (prev->offset + prevsize == entry->offset)) && >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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