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Subject[BUG] debugobjects warning

I got the following warning on my Thinkpad T43p laptop (single-core
32-bits x86). I run the tree, plus LTTng patchset applied. It
seems to come from cpufreq. Any idea what is going on here ?

------------[ cut here ]------------
WARNING: at lib/debugobjects.c:217 debug_print_object+0x5a/0x70()
Hardware name: 2687D5U
ODEBUG: init active object type: timer_list
Modules linked in: irda parport nsc_ircc irtty_sir parport_pc psmouse snd_seq sn
d_seq_midi_event hid_logitech ac unix floppy output battery sir_dev nvram snd_ra
wmidi pcmcia x_tables ip_tables joydev snd_seq_midi evdev video snd_page_alloc s
oundcore led_class i2c_i801 cryptoloop snd snd_seq_dummy rfkill thinkpad_acpi sn
d_seq_oss snd_mixer_oss loop ipw2200 blowfish aes_i586 snd_pcm_oss ac97_bus snd_
seq_device agpgart snd_pcm ide_cd_mod snd_timer intel_agp snd_ac97_codec ide_gen
eric button snd_intel8x0 edd acpi_cpufreq ltt_statedump ipc_trace usbhid thermal
mm_trace snd_intel8x0m fs_trace pcmcia_core rcu_trace lib80211 syscall_trace rs
rc_nonstatic libphy serio_raw kernel_trace tg3 trap_trace libipw crc_ccitt net_t
race dm_mod dm_log dm_region_hash dm_mirror yenta_socket dm_snapshot fat vfat nl
s_cp437 nls_iso8859_1 lp ppdev af_packet drm ntfs ipv6 auth_rpcgss binfmt_misc r
adeon lockd sunrpc nfs
Pid: 3628, comm: cpufreqd Not tainted #28
Call Trace:
[<c1044123>] warn_slowpath+0x73/0xd0
[<c1069c28>] ? mark_held_locks+0x48/0x90
[<c13313f5>] ? __mutex_unlock_slowpath+0xd5/0x150
[<c1069f39>] ? trace_hardirqs_on_caller+0x199/0x1f0
[<c1331478>] ? mutex_unlock+0x8/0x10
[<c1331478>] ? mutex_unlock+0x8/0x10
[<c1107b76>] ? sysfs_addrm_finish+0x16/0x230
[<c1107671>] ? sysfs_find_dirent+0x21/0x30
[<c116d71a>] debug_print_object+0x5a/0x70
[<c116e054>] __debug_object_init+0x254/0x340
[<c126533f>] ? cpufreq_governor_dbs+0x10f/0x210
[<c116e187>] debug_object_init+0x17/0x20
[<c104de70>] init_timer+0x10/0x30
[<c104de9b>] init_timer_deferrable+0xb/0x20
[<c12653fd>] cpufreq_governor_dbs+0x1cd/0x210
[<c126205b>] __cpufreq_governor+0xab/0x120
[<c12621cb>] __cpufreq_set_policy+0xfb/0x140
[<c1262c24>] store_scaling_governor+0xa4/0x220
[<c1263550>] ? handle_update+0x0/0x10
[<c1262b80>] ? store_scaling_governor+0x0/0x220
[<c126343e>] store+0x4e/0x70
[<c1106b9c>] sysfs_write_file+0x9c/0x100
[<c10b825c>] vfs_write+0x9c/0x140
[<c1106b00>] ? sysfs_write_file+0x0/0x100
[<c10b8447>] sys_write+0x47/0xe0
[<c1021dde>] syscall_call+0x7/0xb
[<c1020000>] ? sys_vfork+0x20/0x30


Mathieu Desnoyers
OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68

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