From owner-freebsd-bugs Wed Aug 29 4:50:17 2001 Delivered-To: freebsd-bugs@hub.freebsd.org Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 9C76637B405 for ; Wed, 29 Aug 2001 04:50:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.11.4/8.11.4) id f7TBo2N93142; Wed, 29 Aug 2001 04:50:02 -0700 (PDT) (envelope-from gnats) Date: Wed, 29 Aug 2001 04:50:02 -0700 (PDT) Message-Id: <200108291150.f7TBo2N93142@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org Cc: From: Chris Pockele Subject: Re: misc/30168: 4-stable, crash when writing to msdos fs Reply-To: Chris Pockele Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org The following reply was made to PR misc/30168; it has been noted by GNATS. From: Chris Pockele To: Kris Kennaway Cc: freebsd-gnats-submit@FreeBSD.org, chrisp@belgacom.net Subject: Re: misc/30168: 4-stable, crash when writing to msdos fs Date: Wed, 29 Aug 2001 13:43:33 +0200 > That's still not a traceback..please try and obtain that. > Here is the output of gdb -k /sys/compile/DEBUG/kernel.debug /var/crash/vmcore.1 (kgdb) where ---- Script started on Wed Aug 29 13:34:24 2001 freedaemon# gdb -k /sys/compile/DEBUG/kernel.debug /var/crash/vmESC[Kcore.1^M GNU gdb 4.18 Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-freebsd"... IdlePTD 4874240 initial pcb at 3ee7e0 panicstr: page fault panic messages: --- Fatal trap 12: page fault while in kernel mode fault virtual address = 0xe0f6effc fault code = supervisor read, page not present instruction pointer = 0x8:0xc01f8dd3 stack pointer = 0x10:0xc8565d14 frame pointer = 0x10:0xc8565d24 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 = 273 (cp) interrupt mask = none trap number = 12 panic: page fault syncing disks... 46 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1: dev:#ad/0x60002, flags:00100020, blkno:8344, lblkno:8344 giving up on 1 buffers Uptime: 37s dumping to dev #ad/0x30001, offset 269872 dump ata0: resetting devices .. done 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 5 8 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 --- #0 dumpsys () at ../../kern/kern_shutdown.c:473 473 if (dumping++) { (kgdb) where #0 dumpsys () at ../../kern/kern_shutdown.c:473 #1 0xc01bda74 in boot (howto=256) at ../../kern/kern_shutdown.c:313 #2 0xc01bde54 in poweroff_wait (junk=0xc03a07ea, howto=-1069939985) at ../../kern/kern_shutdown.c:581 #3 0xc03339c3 in trap_fatal (frame=0xc8565cd4, eva=3774279676) at ../../i386/i386/trap.c:956 #4 0xc033367d in trap_pfault (frame=0xc8565cd4, usermode=0, eva=3774279676) at ../../i386/i386/trap.c:849 #5 0xc03331e7 in trap (frame={tf_fs = -933887984, tf_es = -1071775728, tf_ds = -933625840, tf_edi = 8344, tf_esi = -1057558528, tf_ebp = -933864156, tf_isp = -933864192, tf_ebx = -1057562624, tf_edx = 134217727, tf_ecx = 31, tf_eax = -2147483648, tf_trapno = 12, tf_err = 0, tf_eip = -1071673901, tf_cs = 8, tf_eflags = 66182, tf_esp = 268435455, tf_ss = 268435455}) at ../../i386/i386/trap.c:448 #6 0xc01f8dd3 in updatefats (pmp=0xc0f6e000, bp=0xc3703284, fatbn=8344) at ../../msdosfs/msdosfs_fat.c:353 #7 0xc01f947e in fatchain (pmp=0xc0f6e000, start=1064363, count=0, fillwith=4294967295) at ../../msdosfs/msdosfs_fat.c:674 #8 0xc01f959a in chainalloc (pmp=0xc0f6e000, start=1064363, count=1, fillwith=4294967295, retcluster=0xc8565df0, got=0xc8565dec) at ../../msdosfs/msdosfs_fat.c:748 #9 0xc01f979a in clusteralloc (pmp=0xc0f6e000, start=0, count=1, fillwith=4294967295, retcluster=0xc8565df0, got=0xc8565dec) at ../../msdosfs/msdosfs_fat.c:842 ---Type to continue, or q to quit--- #10 0xc01f9c2a in extendfile (dep=0xc0f5c400, count=1, bpp=0x0, ncp=0x0, flags=0) at ../../msdosfs/msdosfs_fat.c:1034 #11 0xc01fcf0e in msdosfs_write (ap=0xc8565e78) at ../../msdosfs/msdosfs_vnops.c:725 #12 0xc01f28a2 in vn_write (fp=0xc0f69bc0, uio=0xc8565ee4, cred=0xc0f64600, flags=0, p=0xc7b665e0) at vnode_if.h:363 #13 0xc01cc93a in dofilewrite (p=0xc7b665e0, fp=0xc0f69bc0, fd=4, buf=0x28058000, nbyte=187, offset=-1, flags=0) at ../../sys/file.h:162 #14 0xc01cc7eb in write (p=0xc7b665e0, uap=0xc8565f80) at ../../kern/sys_generic.c:329 #15 0xc0333c39 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 671449088, tf_esi = 671449088, tf_ebp = -1077937572, tf_isp = -933863468, tf_ebx = 187, tf_edx = 4, tf_ecx = 1, tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = 134561808, tf_cs = 31, tf_eflags = 663, tf_esp = -1077937632, tf_ss = 47}) at ../../i386/i386/trap.c:1155 #16 0xc0324d75 in Xint0x80_syscall () #17 0x8048989 in ?? () #18 0x804851a in ?? () #19 0x8048135 in ?? () (kgdb) exit Undefined command: "exit". Try "help". (kgdb) quit freedaemon# exit Script done on Wed Aug 29 13:35:00 2001 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message