Hi,
with a -current CVSupped 17 May 22:27 GMT-2:
hunter[4]$ gdb -k kernel.debug vmcore.23
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This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at phsyical address 0x00514000
initial pcb at physical address 0x00420b20
panicstr: bwrite: buffer is not busy???
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x18
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc01db544
stack pointer = 0x10:0xe3436bb8
frame pointer = 0x10:0xe3436bc0
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 = 5183 (gnome-spell-compone)
trap number = 12
panic: page fault
syncing disks... panic: bwrite: buffer is not busy???
Uptime: 5h31m35s
pfs_vncache_unload(): 3 entries remaining
/dev/vmmon: Module vmmon: unloaded
Dumping 1023 MB
ata0: resetting devices .. done
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 352 368
384 400 416 432 448 464 480 496 512 528 544 560 576 592 608 624 640 656 672 688 704
720 736 752 768 784 800 816 832 848 864 880 896 912 928 944 960 976 992 1008
---
#0 0xc01fa1a4 in doadump () at /usr/src/sys/kern/kern_shutdown.c:353
353 }
(kgdb) where
#0 0xc01fa1a4 in doadump () at /usr/src/sys/kern/kern_shutdown.c:353
#1 0xc01fa7d1 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:353
#2 0xc01fa9dd in panic (fmt=0xc03aab0b "bwrite: buffer is not busy???")
at /usr/src/sys/kern/kern_shutdown.c:353
#3 0xc0240eac in bwrite (bp=0xd284d130) at /usr/src/sys/kern/vfs_bio.c:1367
#4 0xc0242635 in vfs_bio_awrite (bp=0xd284d130)
at /usr/src/sys/kern/vfs_bio.c:1367
#5 0xc01c8a67 in spec_fsync (ap=0xe3436990)
at /usr/src/sys/fs/specfs/spec_vnops.c:849
#6 0xc01c844e in spec_vnoperate (ap=0xe3436990)
at /usr/src/sys/fs/specfs/spec_vnops.c:849
#7 0xc030b72a in VOP_FSYNC (vp=0xe0e03000, cred=0xd277ff00, waitfor=2,
td=0xc03ea5a0) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:810
#8 0xc030abc1 in ffs_sync (mp=0xe0c25200, waitfor=2, cred=0xd277ff00,
td=0xc03ea5a0) at /usr/src/sys/ufs/ffs/ffs_vfsops.c:810
#9 0xc025424b in sync (td=0xc03ea5a0, uap=0x0)
at /usr/src/sys/kern/vfs_syscalls.c:640
#10 0xc01fa2ab in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:353
#11 0xc01fa9dd in panic (fmt=0xc03c70de "%s")
at /usr/src/sys/kern/kern_shutdown.c:353
#12 0xc036d714 in trap_fatal (frame=0xe3436b78, eva=24)
at /usr/src/sys/i386/i386/trap.c:652
#13 0xc036d34b in trap_pfault (frame=0xe3436b78, usermode=0, eva=24)
at /usr/src/sys/i386/i386/trap.c:652
#14 0xc036cd34 in trap (frame={tf_fs = -1071841256, tf_es = -1069481968,
tf_ds = -482213872, tf_edi = 0, tf_esi = -1, tf_ebp = -482120768,
tf_isp = -482120796, tf_ebx = 24, tf_edx = 4, tf_ecx = -482191576,
tf_eax = 4, tf_trapno = 12, tf_err = 2, tf_eip = -1071794876, tf_cs = 8,
tf_eflags = 66182, tf_esp = 4, tf_ss = -482191832})
at /usr/src/sys/i386/i386/trap.c:652
#15 0xc01db544 in atomic_cmpset_int (dst=0x18, exp=4, src=3812775720)
at /usr/src/sys/kern/kern_descrip.c:476
#16 0xc01db043 in atomic_cmpset_ptr (dst=0x18, exp=0x4, src=0xe3425728)
at /usr/src/sys/kern/kern_descrip.c:476
#17 0xc01da276 in fdrop (fp=0xe38be760, td=0xe3425728)
at /usr/src/sys/kern/kern_descrip.c:476
#18 0xc01da240 in closef (fp=0xe38be760, td=0xe3425728)
at /usr/src/sys/kern/kern_descrip.c:476
#19 0xc01d987b in fdfree (td=0xe3425728)
at /usr/src/sys/kern/kern_descrip.c:476
#20 0xc01e03a0 in exit1 (td=0xe3425728, rv=0)
at /usr/src/sys/kern/kern_exit.c:448
#21 0xc01dffc8 in exit1 (td=0xe3425728, rv=-482120456)
at /usr/src/sys/kern/kern_exit.c:448
#22 0xc036da82 in syscall (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = 0, tf_esi = -1, tf_ebp = -1077939108, tf_isp = -482120332,
tf_ebx = 686673660, tf_edx = 10, tf_ecx = 686673296, tf_eax = 1,
tf_trapno = 12, tf_err = 2, tf_eip = 686276643, tf_cs = 31,
tf_eflags = 658, tf_esp = -1077939152, tf_ss = 47})
at /usr/src/sys/i386/i386/trap.c:652
#23 0xc035c67d in syscall_with_err_pushed () at /var/tmp//ccqhs5l0.s:128
#24 0x804b6fb in ?? ()
(kgdb)
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