Any ideas? This is a reasonably recent 5-CURRENT (last
makeworld/makekernel 7 days ago).

-Maxim


Script started on Thu Jan 24 23:27:51 2002
root@notebook# gdb -k /boot/kernel/kernel vmcore.0 
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"...
(no debugging symbols found)...
IdlePTD at phsyical address 0x00372000
initial pcb at physical address 0x002ba460
panicstr: bdwrite: buffer is not busy
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xa4
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01ba320
stack pointer           = 0x10:0xc66ac8a8
frame pointer           = 0x10:0xc66ac8a8
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         = 739 (groff)
trap number             = 12
panic: page fault

syncing disks... panic: bdwrite: buffer is not busy
Uptime: 2h11m5s

dumping to dev ad0s1b, offset 71680
dump ata0: resetting devices .. done
64 63 62 61 60 59 58 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  0xc017234a in dumpsys ()
(kgdb) bt
#0  0xc017234a in dumpsys ()
#1  0xc01720e0 in boot ()
#2  0xc0172567 in panic ()
#3  0xc01a5807 in bdwrite ()
#4  0xc01f973e in ffs_update ()
#5  0xc0206bde in ffs_fsync ()
#6  0xc020512e in ffs_sync ()
#7  0xc01b24a6 in sync ()
#8  0xc0171cf6 in boot ()
#9  0xc0172567 in panic ()
#10 0xc024a89a in trap_fatal ()
#11 0xc024a5f1 in trap_pfault ()
#12 0xc0249f84 in trap ()
#13 0xc01ba320 in strlen ()
#14 0xc0188595 in kvprintf ()
#15 0xc0187d94 in printf ()
#16 0xc02081ff in ufs_dirbad ()
#17 0xc0207a00 in ufs_lookup ()
#18 0xc020d2fd in ufs_vnoperate ()
#19 0xc01a92b2 in vfs_cache_lookup ()
#20 0xc020d2fd in ufs_vnoperate ()
#21 0xc01acda1 in lookup ()
#22 0xc01ac88c in namei ()
#23 0xc01b85f7 in vn_open_cred ()
#24 0xc01b83ba in vn_open ()
#25 0xc01b3134 in open ()
#26 0xc024acbd in syscall ()
#27 0xc023eedd in syscall_with_err_pushed ()
#28 0x804edfe in ?? ()
#29 0x804e9b2 in ?? ()
#30 0x804ced2 in ?? ()
#31 0x804933d in ?? ()
#32 0x8048dcd in ?? ()
(kgdb) root@notebook# exit

Script done on Thu Jan 24 23:29:18 2002

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