kernel BUG on umount

[Florêncio Guimarães]

I'm having this error since a few kernels ago on shutdown or even trying to
unmount mannualy.
Same error on 2.6.17-1.2532.fc6.
Should I fill a fedora bug or kernel.org?
Any ideas?

Thanks.

---------------------------------
Aug  6 20:33:59 voyager kernel: BUG: Dentry df0029e4{i=3,n=.reiserfs_priv} 
still in use (1) [unmount of reiserfs hda6]
Aug  6 20:33:59 voyager kernel: ------------[ cut here ]------------
Aug  6 20:33:59 voyager kernel: kernel BUG at fs/dcache.c:615!
Aug  6 20:33:59 voyager kernel: invalid opcode: 0000 [#1]
Aug  6 20:33:59 voyager kernel: SMP
Aug  6 20:33:59 voyager kernel: last sysfs file: /block/hda/removable
Aug  6 20:33:59 voyager kernel: Modules linked in: sbp2 ohci1394 ieee1394 
acpi_cpufreq sd_mod sg usb_storage scsi_mod snd_rtctimer i915 drm ipt_LOG 
xt_tcpudp x_tables ipv6 hidp l2cap bluetooth vfat fat reiser
fs dm_mirror dm_mod video sbs i2c_ec button battery asus_acpi ac parport_pc lp 
parport intel_rng joydev snd_intel8x0 snd_ac97_codec snd_ac97_bus 
snd_seq_dummy bcm43xx snd_seq_oss snd_seq_midi_event ieee80211s
oftmac ieee80211 snd_seq ieee80211_crypt 8139cp ehci_hcd snd_seq_device 
snd_pcm_oss snd_mixer_oss snd_pcm 8139too mii i2c_i801 i2c_core snd_timer 
uhci_hcd ide_cd pcspkr cdrom snd soundcore snd_page_alloc seri
o_raw ext3 jbd
Aug  6 20:33:59 voyager kernel: CPU:    0
Aug  6 20:33:59 voyager kernel: EIP:    0060:[<c0486e52>]    Not tainted VLI
Aug  6 20:33:59 voyager kernel: EFLAGS: 00010246   (2.6.17-1.2505.fc6 #1)
Aug  6 20:33:59 voyager kernel: EIP is at 
shrink_dcache_for_umount_subtree+0x146/0x1d2
Aug  6 20:33:59 voyager kernel: eax: 0000005a   ebx: df0029e4   ecx: c042481d   
edx: d99e5eb8
Aug  6 20:33:59 voyager kernel: esi: 00000001   edi: de097190   ebp: d99e5ee0   
esp: d99e5eb4
Aug  6 20:34:00 voyager kernel: ds: 007b   es: 007b   ss: 0068
Aug  6 20:34:00 voyager kernel: Process umount (pid: 6576, ti=d99e5000 
task=cdda9540 task.ti=d99e5000)
Aug  6 20:34:00 voyager kernel: Stack: c0630b2f df0029e4 00000003 df002a60 
00000001 e0b50288 de097190 00000003
Aug  6 20:34:00 voyager kernel:        de096f60 e0b641e0 00000000 d99e5eec 
c04878fb de096f60 d99e5efc c0477f62
Aug  6 20:34:00 voyager kernel:        df596344 de096f60 d99e5f0c c0478048 
de096f60 e0b641a0 d99e5f1c c0478108
Aug  6 20:34:00 voyager kernel: Call Trace:
Aug  6 20:34:00 voyager kernel:  [<c04878fb>] 
shrink_dcache_for_umount+0x31/0x3e
Aug  6 20:34:00 voyager kernel:  [<c0477f62>] generic_shutdown_super+0x19/0xdf
Aug  6 20:34:00 voyager kernel:  [<c0478048>] kill_block_super+0x20/0x32
Aug  6 20:34:00 voyager kernel:  [<c0478108>] deactivate_super+0x5d/0x6f
Aug  6 20:34:00 voyager kernel:  [<c048ae59>] mntput_no_expire+0x42/0x72
Aug  6 20:34:00 voyager kernel:  [<c047db47>] path_release_on_umount+0x15/0x18
Aug  6 20:34:00 voyager kernel:  [<c048bf88>] sys_umount+0x1e7/0x21b
Aug  6 20:34:00 voyager kernel:  [<c048bfc9>] sys_oldumount+0xd/0xf
Aug  6 20:34:00 voyager kernel:  [<c0403faf>] syscall_call+0x7/0xb
Aug  6 20:34:00 voyager kernel: DWARF2 unwinder stuck at syscall_call+0x7/0xb
Aug  6 20:34:00 voyager kernel: Leftover inexact backtrace:
Aug  6 20:34:00 voyager kernel:  [<c0405379>] show_stack_log_lvl+0x8a/0x95
Aug  6 20:34:00 voyager kernel:  [<c04054b1>] show_registers+0x12d/0x19a
Aug  6 20:34:00 voyager kernel:  [<c04056ae>] die+0x190/0x293
Aug  6 20:34:00 voyager kernel:  [<c060917a>] do_trap+0x7c/0x96
Aug  6 20:34:00 voyager kernel:  [<c0405e9e>] do_invalid_op+0x89/0x93
Aug  6 20:34:00 voyager kernel:  [<c0404be1>] error_code+0x39/0x40
Aug  6 20:34:00 voyager kernel:  [<c04878fb>] 
shrink_dcache_for_umount+0x31/0x3e
Aug  6 20:34:00 voyager kernel:  [<c0477f62>] generic_shutdown_super+0x19/0xdf
Aug  6 20:34:00 voyager kernel:  [<c0478048>] kill_block_super+0x20/0x32
Aug  6 20:34:00 voyager kernel:  [<c0478108>] deactivate_super+0x5d/0x6f
Aug  6 20:34:00 voyager kernel:  [<c048ae59>] mntput_no_expire+0x42/0x72
Aug  6 20:34:00 voyager kernel:  [<c047db47>] path_release_on_umount+0x15/0x18
Aug  6 20:34:00 voyager kernel:  [<c048bf88>] sys_umount+0x1e7/0x21b
Aug  6 20:34:00 voyager kernel:  [<c048bfc9>] sys_oldumount+0xd/0xf
Aug  6 20:34:00 voyager kernel:  [<c0403faf>] syscall_call+0x7/0xb
Aug  6 20:34:00 voyager kernel: Code: 02 00 00 8b 40 1c 85 d2 8b 00 c7 45 f0 
00 00 00 00 74 06 8b 52 20 89 55 f0 57 50 56 51 ff 75 f0 53 68 2f 0b 63 c0 e8 
88 e0 f9 ff <0f> 0b 67 02 23 0b 63 c0 83 c4 1c 8b 73
30 39 de 75 04 31 f6 eb
Aug  6 20:34:00 voyager kernel: EIP: [<c0486e52>] 
shrink_dcache_for_umount_subtree+0x146/0x1d2 SS:ESP 0068:d99e5eb4