Date: Tue, 02 Sep 2003 03:01:49 +0200 From: Christian Brueffer <chris@unixpages.org> To: current@freebsd.org Subject: panic: softdep_lock: locking against myself Message-ID: <20030902010149.GG616@unixpages.org>
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Hi,
got a panic with a kernel from sources around September 1st, 8pm.
Dump and debugging kernel available for further debugging.
cg@ got the same panic on his machine.
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; lapic.id =3D 00000000
fault virtual address =3D 0xdeadc1e6
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc0306f82
stack pointer =3D 0x10:0xdb832528
frame pointer =3D 0x10:0xdb832558
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 42532 (as)
trap number =3D 12
panic: page fault
cpuid =3D 0; lapic.id =3D 00000000
boot() called on cpu#0
syncing disks, buffers remaining... panic: softdep_lock: locking against my=
self
cpuid =3D 0; lapic.id =3D 00000000
boot() called on cpu#0
Uptime: 5h39m29s
Dumping 511 MB
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 4
64 480 496
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) bt
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc0212d70 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:3=
72
#2 0xc0213176 in panic (fmt=3D0xc03bf620 "softdep_lock: locking against my=
self")
at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc02fde43 in acquire_lock (lk=3D0x0) at /usr/src/sys/ufs/ffs/ffs_softd=
ep.c:258
#4 0xc0303152 in initiate_write_filepage (pagedep=3D0xc4f9d8c0, bp=3D0xce6=
61980)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:3535
#5 0xc0302fac in softdep_disk_io_initiation (bp=3D0xce661980) at /usr/src/=
sys/ufs/ffs/ffs_softdep.c:3452
#6 0xc01c0b14 in spec_xstrategy (vp=3D0xc420adb0, bp=3D0xce661980) at /usr=
/src/sys/sys/buf.h:416
#7 0xc01c0cf2 in spec_specstrategy (ap=3D0xdb832258) at /usr/src/sys/fs/sp=
ecfs/spec_vnops.c:529
#8 0xc01bfc88 in spec_vnoperate (ap=3D0x0) at /usr/src/sys/fs/specfs/spec_=
vnops.c:122
#9 0xc0318380 in ufs_strategy (ap=3D0x0) at vnode_if.h:1141
#10 0xc0319138 in ufs_vnoperate (ap=3D0x0) at /usr/src/sys/ufs/ufs/ufs_vnop=
s.c:2792
#11 0xc025a497 in bwrite (bp=3D0xce661980) at vnode_if.h:1116
#12 0xc025acfc in bawrite (bp=3D0x0) at /usr/src/sys/kern/vfs_bio.c:1139
#13 0xc030ab59 in ffs_fsync (ap=3D0xdb832350) at /usr/src/sys/ufs/ffs/ffs_v=
nops.c:247
#14 0xc0309d03 in ffs_sync (mp=3D0xc41c3e00, waitfor=3D2, cred=3D0xc150de80=
, td=3D0xc040eb20) at vnode_if.h:627
#15 0xc027024b in sync (td=3D0xc040eb20, uap=3D0x0) at /usr/src/sys/kern/vf=
s_syscalls.c:142
#16 0xc02128bf in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:2=
81
#17 0xc0213176 in panic (fmt=3D0xc039f254 "%s") at /usr/src/sys/kern/kern_s=
hutdown.c:550
#18 0xc0373446 in trap_fatal (frame=3D0xdb8324e8, eva=3D0) at /usr/src/sys/=
i386/i386/trap.c:818
#19 0xc03730b2 in trap_pfault (frame=3D0xdb8324e8, usermode=3D0, eva=3D3735=
929318)
at /usr/src/sys/i386/i386/trap.c:732
#20 0xc0372c6d in trap (frame=3D
{tf_fs =3D 24, tf_es =3D 16, tf_ds =3D 16, tf_edi =3D 0, tf_esi =3D -83=
1494876, tf_ebp =3D -612162216, tf_isp =3D -6
12162284, tf_ebx =3D -559038242, tf_edx =3D 0, tf_ecx =3D -1069303248, =
tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 0, tf_
eip =3D -1070567550, tf_cs =3D 8, tf_eflags =3D 66182, tf_esp =3D -1069=
607688, tf_ss =3D 1})
at /usr/src/sys/i386/i386/trap.c:417
#21 0xc0306f82 in getdirtybuf (bpp=3D0xc546ebbc, mtx=3D0x0, waitfor=3D1)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:5827
#22 0xc030601d in flush_deplist (listhead=3D0x0, waitfor=3D1, errorp=3D0xdb=
832590)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:5271
#23 0xc0305f29 in flush_inodedep_deps (fs=3D0xc41ca000, ino=3D918604)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:5235
#24 0xc0305977 in softdep_sync_metadata (ap=3D0xdb8326d4) at /usr/src/sys/u=
fs/ffs/ffs_softdep.c:4968
#25 0xc030ac69 in ffs_fsync (ap=3D0xdb8326d4) at /usr/src/sys/ufs/ffs/ffs_v=
nops.c:299
#26 0xc02f61cd in ffs_truncate (vp=3D0xc5b25000, length=3D26112, flags=3D20=
52, cred=3D0xc44c9e80, td=3D0xc531a980)
at vnode_if.h:627
#27 0xc0312b29 in ufs_direnter (dvp=3D0xc5b25000, tvp=3D0xc4dde6d8, dirp=3D=
0xdb832910, cnp=3D0xdb832c00,=20
newdirbp=3D0x0) at /usr/src/sys/ufs/ufs/ufs_lookup.c:966
#28 0xc0318e4d in ufs_makeinode (mode=3D33188, dvp=3D0xc5b25000, vpp=3D0xdb=
832bec, cnp=3D0xdb832c00)
at /usr/src/sys/ufs/ufs/ufs_vnops.c:2541
#29 0xc0314f89 in ufs_create (ap=3D0xdb832a78) at /usr/src/sys/ufs/ufs/ufs_=
vnops.c:199
#30 0xc0319138 in ufs_vnoperate (ap=3D0x0) at /usr/src/sys/ufs/ufs/ufs_vnop=
s.c:2792
#31 0xc0278218 in vn_open_cred (ndp=3D0xdb832bd8, flagp=3D0xdb832cd8, cmode=
=3D420, cred=3D0xc44c9e80, fdidx=3D0)
at vnode_if.h:118
#32 0xc0278040 in vn_open (ndp=3D0x0, flagp=3D0x0, cmode=3D0, fdidx=3D0) at=
/usr/src/sys/kern/vfs_vnops.c:93
#33 0xc0271060 in kern_open (td=3D0xc531a980, path=3D0x0, pathseg=3DUIO_USE=
RSPACE, flags=3D1539, mode=3D438)
at /usr/src/sys/kern/vfs_syscalls.c:688
#34 0xc0270f10 in open (td=3D0x0, uap=3D0x0) at /usr/src/sys/kern/vfs_sysca=
lls.c:654
#35 0xc0373763 in syscall (frame=3D
{tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D -1077938472, tf_e=
si =3D 16, tf_ebp =3D -1077938744, tf_isp =3D
-612160140, tf_ebx =3D 135094816, tf_edx =3D 176, tf_ecx =3D 17, tf_eax=
=3D 5, tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D
134911639, tf_cs =3D 31, tf_eflags =3D 514, tf_esp =3D -1077938788, tf_=
ss =3D 47})
at /usr/src/sys/i386/i386/trap.c:1005
=20
- Christian
=20
--=20
Christian Brueffer chris@unixpages.org brueffer@FreeBSD.org
GPG Key: http://people.freebsd.org/~brueffer/brueffer.key.asc
GPG Fingerprint: A5C8 2099 19FF AACA F41B B29B 6C76 178C A0ED 982D
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