Date: Wed, 13 Aug 2003 14:11:32 +0200 From: Morten Rodal <morten@rodal.no> To: freebsd-current@freebsd.org Subject: panic: ffs_freefile: freeing free inode Message-ID: <20030813121131.GA600@atlantis.rodal.no>
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I got a panic (and of course the usual panic on sync panic) when my
machine was just sitting more or less idle in X. The kernel is=20
FreeBSD 5.1-CURRENT (slurp) #0: Mon Aug 11 21:01:38 CEST 2003
and the machine is a dual Pentium II with only a minimal kernel (i.e.
stripped GENERIC).
--=20
Morten Rodal
User: Pretend not to be crazy.
jabberwacky: I cannot do that.
-- www.chatterboxchallenge.com
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Script started on Wed Aug 13 13:53:36 2003
slurp# gdb -k kernel.8 vmcore.8
GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 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 condition=
s.
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-undermydesk-freebsd"...
panic: ffs_freefile: freeing free inode
panic messages:
---
panic: ffs_freefile: freeing free inode
cpuid =3D 0; lapic.id =3D 01000000
Stack backtrace:
boot() called on cpu#0
syncing disks, buffers remaining... panic: bremfree: removing a buffer not =
on a queue
cpuid =3D 0; lapic.id =3D 01000000
boot() called on cpu#0
Uptime: 2h13m50s
Dumping 447 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
---
Reading symbols from /usr/obj/usr/src/sys/slurp/modules/usr/src/sys/modules=
/linux/linux.ko.debug...done.
Loaded symbols for /usr/obj/usr/src/sys/slurp/modules/usr/src/sys/modules/l=
inux/linux.ko.debug
Reading symbols from /boot/kernel/snd_sb16.ko...done.
Loaded symbols for /boot/kernel/snd_sb16.ko
Reading symbols from /boot/kernel/snd_sbc.ko...done.
Loaded symbols for /boot/kernel/snd_sbc.ko
Reading symbols from /boot/kernel/snd_pcm.ko...done.
Loaded symbols for /boot/kernel/snd_pcm.ko
Reading symbols from /boot/kernel/nvidia.ko...done.
Loaded symbols for /boot/kernel/nvidia.ko
Reading symbols from /usr/obj/usr/src/sys/slurp/modules/usr/src/sys/modules=
/acpi/acpi.ko.debug...done.
Loaded symbols for /usr/obj/usr/src/sys/slurp/modules/usr/src/sys/modules/a=
cpi/acpi.ko.debug
#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 0xc01e3ec6 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:3=
72
#2 0xc01e4318 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc022d541 in bremfreel (bp=3D0xcca759e0) at /usr/src/sys/kern/vfs_bio.=
c:644
#4 0xc022d44b in bremfree (bp=3D0x0) at /usr/src/sys/kern/vfs_bio.c:626
#5 0xc0238938 in vop_stdfsync (ap=3D0xd59e1a98)
at /usr/src/sys/kern/vfs_default.c:740
#6 0xc01a8870 in spec_fsync (ap=3D0xd59e1a98)
at /usr/src/sys/fs/specfs/spec_vnops.c:417
#7 0xc01a7c68 in spec_vnoperate (ap=3D0x0)
at /usr/src/sys/fs/specfs/spec_vnops.c:122
#8 0xc02c1a11 in ffs_sync (mp=3D0xc3a2e000, waitfor=3D2, cred=3D0xc1378e80=
,=20
td=3D0xc03adb20) at vnode_if.h:627
#9 0xc024686b in sync (td=3D0xc03adb20, uap=3D0x0)
at /usr/src/sys/kern/vfs_syscalls.c:142
#10 0xc01e39cf in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:2=
81
#11 0xc01e4318 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#12 0xc02a9198 in ffs_freefile (fs=3D0xc39a9000, devvp=3D0xc3ad5000, ino=3D=
3,=20
mode=3D17407) at /usr/src/sys/ufs/ffs/ffs_alloc.c:1917
#13 0xc02ba8f4 in handle_workitem_freefile (freefile=3D0xc411b000)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:3401
#14 0xc02b6178 in process_worklist_item (matchmnt=3D0x0, flags=3D0)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:778
#15 0xc02b5e00 in softdep_process_worklist (matchmnt=3D0x0)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:622
#16 0xc02421c6 in sched_sync () at /usr/src/sys/kern/vfs_subr.c:1786
#17 0xc01cc8e1 in fork_exit (callout=3D0xc0241d90 <sched_sync>, arg=3D0x0,=
=20
frame=3D0x0) at /usr/src/sys/kern/kern_fork.c:790
(kgdb) up 12
#12 0xc02a9198 in ffs_freefile (fs=3D0xc39a9000, devvp=3D0xc3ad5000, ino=3D=
3,=20
mode=3D17407) at /usr/src/sys/ufs/ffs/ffs_alloc.c:1917
1917 panic("ffs_freefile: freeing free inode");
(kgdb) p *fs
$1 =3D {fs_firstfield =3D 0, fs_unused_1 =3D 0, fs_sblkno =3D 8, fs_cblkno =
=3D 16,=20
fs_iblkno =3D 24, fs_dblkno =3D 1496, fs_old_cgoffset =3D 0, fs_old_cgmas=
k =3D -1,=20
fs_old_time =3D 1060763786, fs_old_size =3D 5816260, fs_old_dsize =3D 572=
3995,=20
fs_ncg =3D 62, fs_bsize =3D 16384, fs_fsize =3D 2048, fs_frag =3D 8, fs_m=
infree =3D 8,=20
fs_old_rotdelay =3D 0, fs_old_rps =3D 60, fs_bmask =3D -16384, fs_fmask =
=3D -2048,=20
fs_bshift =3D 14, fs_fshift =3D 11, fs_maxcontig =3D 8, fs_maxbpg =3D 204=
8,=20
fs_fragshift =3D 3, fs_fsbtodb =3D 2, fs_sbsize =3D 2048, fs_spare1 =3D {=
0, 0},=20
fs_nindir =3D 4096, fs_inopb =3D 128, fs_old_nspf =3D 4, fs_optim =3D 0,=
=20
fs_old_npsect =3D 376192, fs_old_interleave =3D 1, fs_old_trackskew =3D 0=
,=20
fs_id =3D {1042989277, 433616384}, fs_old_csaddr =3D 1496, fs_cssize =3D =
2048,=20
fs_cgsize =3D 16384, fs_spare2 =3D 0, fs_old_nsect =3D 376192,=20
fs_old_spc =3D 376192, fs_old_ncyl =3D 62, fs_old_cpg =3D 1, fs_ipg =3D 2=
3552,=20
fs_fpg =3D 94048, fs_old_cstotal =3D {cs_ndir =3D 570, cs_nbfree =3D 4798=
22,=20
cs_nifree =3D 1453615, cs_nffree =3D 2585}, fs_fmod =3D 1 '\001',=20
fs_clean =3D 0 '\0', fs_ronly =3D 0 '\0', fs_old_flags =3D -128 '\200',=
=20
fs_fsmnt =3D "/usr/home", '\0' <repeats 458 times>,=20
fs_volname =3D '\0' <repeats 31 times>, fs_swuid =3D 0, fs_pad =3D 0,=20
fs_cgrotor =3D 15, fs_ocsp =3D {0x0 <repeats 28 times>},=20
fs_contigdirs =3D 0xc3abe8f8 "", fs_csp =3D 0xc3abe000,=20
fs_maxcluster =3D 0xc3abe800, fs_active =3D 0x0, fs_old_cpc =3D 0,=20
fs_maxbsize =3D 16384, fs_sparecon64 =3D {0 <repeats 17 times>},=20
fs_sblockloc =3D 8192, fs_cstotal =3D {cs_ndir =3D 570, cs_nbfree =3D 478=
254,=20
cs_nifree =3D 1453618, cs_nffree =3D 2593, cs_numclusters =3D 0, cs_spa=
re =3D {0,=20
0, 0}}, fs_time =3D 1060771873, fs_size =3D 5816260, fs_dsize =3D 572=
3995,=20
fs_csaddr =3D 1496, fs_pendingblocks =3D 44, fs_pendinginodes =3D 2,=20
fs_snapinum =3D {0 <repeats 20 times>}, fs_avgfilesize =3D 16384,=20
fs_avgfpdir =3D 64, fs_save_cgsize =3D 0, fs_sparecon32 =3D {
0 <repeats 26 times>}, fs_flags =3D 2, fs_contigsumsize =3D 8,=20
fs_maxsymlinklen =3D 60, fs_old_inodefmt =3D 2, fs_maxfilesize =3D 175921=
86044415,=20
fs_qbmask =3D 16383, fs_qfmask =3D 2047, fs_state =3D 0, fs_old_postblfor=
mat =3D 1,=20
fs_old_nrpos =3D 1, fs_spare5 =3D {0, 0}, fs_magic =3D 72020}
(kgdb) quit
slurp# exit
exit
Script done on Wed Aug 13 13:54:03 2003
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