Hi, I somehow managed to trigger this panic when I have tried simple write to md0 device which had msdosfs on it.. Sorry if it's already known/fixed.. regards, gg. FreeBSD magarac 7.0-CURRENT FreeBSD 7.0-CURRENT #0: Thu Nov 2 21:32:10 CET 2006 root_at_magarac:/usr/src/sys/amd64/compile/GENERIC amd64 GNU gdb 6.1.1 [FreeBSD] Copyright 2004 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 "amd64-marcel-freebsd". Unread portion of the kernel message buffer: g_vfs_done():md0s1[WRITE(offset=331860480, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=298609152, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=298617344, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=412903936, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125676032, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125684224, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125692416, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125700608, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125708800, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125716992, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125725184, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125733376, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125741568, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125749760, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125757952, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125766144, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125774336, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125782528, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125790720, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125798912, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125807104, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125815296, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125823488, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125831680, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125839872, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125848064, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125856256, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125864448, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125872640, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125880832, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125889024, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125897216, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125905408, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125913600, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125921792, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125929984, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125938176, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=125946368, length=8192)]error = 5 g_vfs_done():md0s1[WRITE(offset=331860480, length=8192)]error = 5 fsync: giving up on dirty 0xffffff0027174760: tag msdosfs, type VREG usecount 1, writecount 0, refcount 3 mountedhere 0 flags () v_object 0xffffff0028da8c80 ref 0 pages 2 lock type msdosfs: EXCL (count 1) by thread 0xffffff00352ff810 (pid 1097) startcluster 40479, dircluster 0, diroffset 256, Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xa0 fault code = supervisor read, page not present instruction pointer = 0x8:0xffffffff8040e524 stack pointer = 0x10:0xffffffffa42777a0 frame pointer = 0x10:0xffffffffa42777c0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 1097 (umount) panic: from debugger cpuid = 0 Uptime: 3h9m45s Physical memory: 1012 MB Dumping 198 MB: 183 167 151 135 119 103 87 71 55 39 23 7 #0 doadump () at pcpu.h:172 172 __asm __volatile("movq %%gs:0,%0" : "=r" (td)); (kgdb) where #0 doadump () at pcpu.h:172 #1 0xffffffff8043b6f9 in boot (howto=260) at ../../../kern/kern_shutdown.c:410 #2 0xffffffff8043b18b in panic (fmt=0xffffffff806abec7 "from debugger") at ../../../kern/kern_shutdown.c:566 #3 0xffffffff801af527 in db_panic (addr=0, have_addr=0, count=0, modif=0x0) at ../../../ddb/db_command.c:433 #4 0xffffffff801af9c9 in db_command_loop () at ../../../ddb/db_command.c:401 #5 0xffffffff801b18d3 in db_trap (type=-1540918096, code=0) at ../../../ddb/db_main.c:221 #6 0xffffffff80460fd8 in kdb_trap (type=12, code=0, tf=0xffffffffa42776f0) at ../../../kern/subr_kdb.c:502 #7 0xffffffff806457a2 in trap_fatal (frame=0xffffffffa42776f0, eva=18446742975090259984) at ../../../amd64/amd64/trap.c:691 #8 0xffffffff80645b53 in trap_pfault (frame=0xffffffffa42776f0, usermode=0) at ../../../amd64/amd64/trap.c:615 #9 0xffffffff80645da4 in trap (frame= {tf_rdi = 0, tf_rsi = -1098619291632, tf_rdx = 0, tf_rcx = 683, tf_r8 = -2140079400, tf_r9 = -1098619291632, tf_rax = 50, tf_rbx = -1098741593344, tf_rbp = -1540917312, tf_r10 = 0, tf_r11 = 0, tf_r12 = 0, tf_r13 = -1098855790752, tf_r14 = 35, tf_r15 = -1098855790440, tf_trapno = 12, tf_addr = 160, tf_flags = 0, tf_err = 0, tf_rip = -2143230684, tf_cs = 8, tf_rflags = 66178, tf_rsp = -1540917328, tf_ss = 16}) at ../../../amd64/amd64/trap.c:383 #10 0xffffffff8063058b in calltrap () at ../../../amd64/amd64/exception.S:168 #11 0xffffffff8040e524 in devtoname (dev=0x0) at ../../../kern/kern_conf.c:727 #12 0xffffffff803ea4f4 in msdosfs_print (ap=0x0) at ../../../fs/msdosfs/msdosfs_vnops.c:1839 #13 0xffffffff80697a27 in VOP_PRINT_APV (vop=0x32, a=0xffffffffa4277810) at vnode_if.c:1873 #14 0xffffffff804ad336 in vn_printf (vp=0xffffff0027174760, fmt=0x0) at vnode_if.h:971 #15 0xffffffff804a4025 in vop_stdfsync (ap=0xffffffffa4277a40) at ../../../kern/vfs_default.c:468 #16 0xffffffff803e8b41 in msdosfs_fsync (ap=0xffffffffa4277a40) at ../../../fs/msdosfs/msdosfs_vnops.c:843 #17 0xffffffff80697ef7 in VOP_FSYNC_APV (vop=0x32, a=0xffffffffa4277a40) at vnode_if.c:1007 #18 0xffffffff803e7763 in msdosfs_sync (mp=0xffffff00279cb318, waitfor=1, td=0xffffff00352ff810) at vnode_if.h:537 #19 0xffffffff804a7ce1 in dounmount (mp=0xffffff00279cb318, flags=134217728, td=0xffffff00352ff810) at ../../../kern/vfs_mount.c:1237 #20 0xffffffff804a81dd in unmount (td=0xffffff00352ff810, uap=0xffffffffa4277c00) at ../../../kern/vfs_mount.c:1135 #21 0xffffffff80646364 in syscall (frame= {tf_rdi = 140737488348384, tf_rsi = 134217728, tf_rdx = 10, tf_rcx = 140737488347872, tf_r8 = 0, tf_r9 = 2, tf_rax = 22, tf_rbx = 140737488348384, tf_rbp = 140737488348320, tf_r10 = 0, tf_r11 = 518, tf_r12 = 34372328208, tf_r13 = 0, tf_r14 = 0, tf_r15 = 0, tf_trapno = 12, tf_addr = 34372354048, tf_flags = 0, tf_err = 2, tf_rip = 34366605564, tf_cs = 43, tf_rflags = 518, tf_rsp = 140737488348264, tf_ss = 35}) at ../../../amd64/amd64/trap.c:826 #22 0xffffffff80630728 in Xfast_syscall () at ../../../amd64/amd64/exception.S:270 #23 0x000000080068c8fc in ?? () (kgdb)Received on Fri Nov 10 2006 - 22:23:18 UTC
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