Date: Sat, 19 Jan 2002 01:32:40 +0100 (CET) From: Michael Reifenberger <root@nihil.plaut.de> To: FreeBSD-Current <current@freebsd.org> Subject: next panic with bwrite: buffer not busy??? Message-ID: <20020119013000.X485-100000@nihil>
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Hi,
a new one under -current+X11+kde while surfing:
GNU gdb 4.18
Copyright 1998 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
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This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at phsyical address 0x00430000
initial pcb at physical address 0x0029d260
panicstr: bwrite: buffer is not busy???
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x80
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc01abba4
stack pointer = 0x10:0xc963db84
frame pointer = 0x10:0xc963db9c
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 = 27674 (kdeinit)
trap number = 12
panic: page fault
syncing disks... panic: bwrite: buffer is not busy???
Uptime: 3h45m55s
pfs_vncache_unload(): 1 entries remaining
dumping to dev ad0s3b, offset 4063232
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 dumpsys () at ../../../kern/kern_shutdown.c:492
492 if (!dodump)
(kgdb) #0 dumpsys () at ../../../kern/kern_shutdown.c:492
#1 0xc016dda0 in boot (howto=260) at ../../../kern/kern_shutdown.c:335
#2 0xc016e1ef in panic (fmt=0xc02503d8 "bwrite: buffer is not busy???")
at ../../../kern/kern_shutdown.c:634
#3 0xc01a16bf in bwrite (bp=0xc49951e4) at ../../../kern/vfs_bio.c:676
#4 0xc01a1c76 in bawrite (bp=0xc49951e4) at ../../../kern/vfs_bio.c:989
#5 0xc01e88a8 in ffs_fsync (ap=0xc963da40) at ../../../ufs/ffs/ffs_vnops.c:217
#6 0xc01e6f2a in ffs_sync (mp=0xc134f600, waitfor=2, cred=0xc09c7f00,
td=0xc02707c4) at vnode_if.h:441
#7 0xc01aeab6 in sync (td=0xc02707c4, uap=0x0)
at ../../../kern/vfs_syscalls.c:669
#8 0xc016da01 in boot (howto=256) at ../../../kern/kern_shutdown.c:244
#9 0xc016e1ef in panic (fmt=0xc0263a1e "%s")
at ../../../kern/kern_shutdown.c:634
#10 0xc022c034 in trap_fatal (frame=0xc963db44, eva=128)
at ../../../i386/i386/trap.c:842
#11 0xc022bd5d in trap_pfault (frame=0xc963db44, usermode=0, eva=128)
at ../../../i386/i386/trap.c:756
#12 0xc022b767 in trap (frame={tf_fs = 16777240, tf_es = 1048592,
tf_ds = -916914160, tf_edi = -916222972, tf_esi = -916222972,
tf_ebp = -916202596, tf_isp = -916202640, tf_ebx = 0, tf_edx = 4,
tf_ecx = -916222972, tf_eax = 4, tf_trapno = 12, tf_err = 2,
tf_eip = -1071989852, tf_cs = 8, tf_eflags = 66178,
tf_esp = -1050462704, tf_ss = -916856832})
at ../../../i386/i386/trap.c:426
#13 0xc01abba4 in vput (vp=0x0) at machine/atomic.h:144
#14 0xc144845a in ?? ()
#15 0xc01abb67 in vrele (vp=0xc959e000) at vnode_if.h:654
#16 0xc01b4ddc in vn_close (vp=0xc959e000, flags=1, cred=0xc14e3000,
td=0xc9638c04) at ../../../kern/vfs_vnops.c:260
#17 0xc01b5856 in vn_closefile (fp=0xc1617580, td=0xc9638c04)
at ../../../kern/vfs_vnops.c:730
#18 0xc015882a in fdrop_locked (fp=0xc1617580, td=0xc9638c04)
at ../../../sys/file.h:229
#19 0xc0157d72 in fdrop (fp=0xc1617580, td=0xc9638c04)
at ../../../kern/kern_descrip.c:1465
#20 0xc0157d24 in closef (fp=0xc1617580, td=0xc9638c04)
at ../../../kern/kern_descrip.c:1451
#21 0xc015668e in close (td=0xc9638c04, uap=0xc963dd20)
at ../../../kern/kern_descrip.c:703
#22 0xc022c4c4 in syscall (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = 0, tf_esi = 954248608, tf_ebp = -1077942072,
tf_isp = -916202124, tf_ebx = 954171848, tf_edx = -1077941968,
tf_ecx = -1077941816, tf_eax = 6, tf_trapno = 12, tf_err = 2,
tf_eip = 953772119, tf_cs = 31, tf_eflags = 643, tf_esp = -1077942116,
tf_ss = 47}) at ../../../i386/i386/trap.c:1034
#23 0xc022001d in syscall_with_err_pushed ()
#24 0x38dd70ec in ?? ()
#25 0x387eb4c1 in ?? ()
#26 0x385cdda4 in ?? ()
#27 0x385be68a in ?? ()
#28 0x385c2707 in ?? ()
#29 0x385bfd69 in ?? ()
#30 0x38654cf6 in ?? ()
#31 0x385f740e in ?? ()
#32 0x386063b2 in ?? ()
#33 0x3864ff52 in ?? ()
#34 0x38f530d1 in ?? ()
#35 0x804cb36 in ?? ()
#36 0x804d7f3 in ?? ()
#37 0x804dd4c in ?? ()
#38 0x804eedc in ?? ()
#39 0x804adf1 in ?? ()
(kgdb)
Bye!
----
Michael Reifenberger
^.*Plaut.*$, IT, R/3 Basis, GPS
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