Comment 2 for bug 429001

------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.31/kernel/trace/ring_buffer.c:1393 rb_add_time_stamp+0x79/0x200()
Hardware name: Inspiron 1011
Modules linked in: ufs qnx4 hfsplus hfs minix ntfs vfat msdos fat jfs xfs exportfs reiserfs tun bridge stp bnep btusb joydev snd_hda_codec_realtek usb_storage snd_hda_intel snd_hda_codec snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi lib80211_crypt_tkip snd_seq_midi_event snd_seq uvcvideo dell_wmi videodev v4l1_compat snd_timer dell_laptop snd_seq_device psmouse compal_laptop wl(P) dcdbas serio_raw lib80211 snd soundcore snd_page_alloc lp parport r8169 mii fbcon tileblit font bitblit softcursor i915 drm i2c_algo_bit video output intel_agp agpgart
Pid: 1454, comm: hald Tainted: P 2.6.31-10-generic #32-Ubuntu
Call Trace:
 [<c014082d>] warn_slowpath_common+0x6d/0xa0
 [<c0195809>] ? rb_add_time_stamp+0x79/0x200
 [<c0195809>] ? rb_add_time_stamp+0x79/0x200
 [<c0140875>] warn_slowpath_null+0x15/0x20
 [<c0195809>] rb_add_time_stamp+0x79/0x200
 [<c0108a18>] ? sched_clock+0x8/0x10
 [<c0195aa2>] rb_reserve_next_event+0x112/0x1b0
 [<c01eea6a>] ? do_filp_open+0x53a/0x890
 [<c0195cc3>] ring_buffer_lock_reserve+0x83/0x150
 [<c01eb7a6>] ? putname+0x26/0x40
 [<c0197f2c>] trace_buffer_lock_reserve+0x1c/0x50
 [<c01980ef>] trace_current_buffer_lock_reserve+0x1f/0x30
 [<c01e06ea>] ftrace_raw_event_do_sys_open+0x4a/0xb0
 [<c01e0b52>] do_sys_open+0x132/0x150