[  452.391264] Bluetooth: Generic Bluetooth USB driver ver 0.6
[  452.391298] BUG: unable to handle kernel NULL pointer dereference at 0000001e
[  452.391302] IP: [<f993af06>] btusb_probe+0x29c/0x729 [btusb]
[  452.391308] *pdpt = 0000000035eed001 *pde = 0000000000000000
[  452.391311] Oops: 0002 [#1] SMP
[  452.391314] last sysfs file: /sys/module/bluetooth/initstate
[  452.391317] Modules linked in: btusb(+) rfcomm sco bridge stp bnep l2cap bluetooth binfmt_misc ppdev ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nfsd exportfs nfs lockd nfs_acl auth_rpcgss sunrpc snd_hda_codec_intelhdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm arc4 fbcon tileblit font bitblit softcursor snd_seq_dummy snd_seq_oss snd_seq_midi iwlagn i915 snd_rawmidi iwlcore drm_kms_helper snd_seq_midi_event joydev snd_seq mac80211 drm lp snd_timer uvcvideo snd_seq_device dell_laptop i2c_algo_bit sdhci_pci psmouse videodev cfg80211 snd intel_agp sdhci ricoh_mmc video v4l1_compat soundcore agpgart serio_raw dcdbas parport led_class snd_page_alloc output usbhid hid ohci1394 e1000e ieee1394 ahci [last unloaded: btusb]
[  452.391377]
[  452.391379] Pid: 2649, comm: modprobe Not tainted (2.6.32-failslab-2 #4) Latitude E4300                  
[  452.391382] EIP: 0060:[<f993af06>] EFLAGS: 00010246 CPU: 0
[  452.391386] EIP is at btusb_probe+0x29c/0x729 [btusb]
[  452.391388] EAX: 00000000 EBX: f64ee000 ECX: 00000000 EDX: 000080d0
[  452.391390] ESI: f64ee01c EDI: f5f76000 EBP: f5e99e34 ESP: f5e99db8
[  452.391392]  DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[  452.391395] Process modprobe (pid: 2649, ti=f5e98000 task=f5e2e600 task.ti=f5e98000)
[  452.391397] Stack:
[  452.391398]  f993bfa4 f64ee000 f5e99dd0 c025ee09 f6d69180 f143a9d8 00000001 00000000
[  452.391404] <0> f5e99de4 c021cef5 f143a9d8 f5e99e18 c025f6af c021e30e f5f368a0 f5e99e24
[  452.391410] <0> 00000000 f5e99e24 f5e99e18 f5e99e14 c05910f9 f5f76000 f5f76064 f993bfa4
[  452.391416] Call Trace:
[  452.391422]  [<c025ee09>] ? sysfs_find_dirent+0x29/0x40
[  452.391425]  [<c021cef5>] ? iput+0x25/0x60
[  452.391428]  [<c025f6af>] ? sysfs_addrm_finish+0x3f/0x230
[  452.391431]  [<c021e30e>] ? ilookup5+0x3e/0x50
[  452.391435]  [<c05910f9>] ? mutex_lock+0x19/0x40
[  452.391439]  [<c045171c>] ? usb_autopm_do_device+0x6c/0x100
[  452.391442]  [<c0452260>] ? usb_probe_interface+0xc0/0x180
[  452.391445]  [<c02600b7>] ? sysfs_create_link+0x17/0x20
[  452.391448]  [<c03e020f>] ? driver_probe_device+0x7f/0x170
[  452.391451]  [<c03e0381>] ? __driver_attach+0x81/0x90
[  452.391454]  [<c03df7f3>] ? bus_for_each_dev+0x53/0x80
[  452.391457]  [<c03e00ae>] ? driver_attach+0x1e/0x20
[  452.391459]  [<c03e0300>] ? __driver_attach+0x0/0x90
[  452.391462]  [<c03dfa75>] ? bus_add_driver+0xd5/0x280
[  452.391465]  [<c03e067a>] ? driver_register+0x6a/0x130
[  452.391469]  [<c01b0020>] ? rb_reserve_next_event+0x250/0x370
[  452.391472]  [<c0452001>] ? usb_register_driver+0x81/0xf0
[  452.391476]  [<f99393f9>] ? usb_register+0x20/0x22 [btusb]
[  452.391480]  [<f82b5024>] ? btusb_init+0x24/0x26 [btusb]
[  452.391483]  [<c0103041>] ? do_one_initcall+0x31/0x190
[  452.391486]  [<f82b5000>] ? btusb_init+0x0/0x26 [btusb]
[  452.391490]  [<c01841e1>] ? sys_init_module+0xb1/0x220
[  452.391494]  [<c0109403>] ? sysenter_do_call+0x12/0x28
[  452.391495] Code: 8c 00 00 00 e8 17 e5 ff ff 8b 45 f0 05 a8 00 00 00 e8 0a e5 ff ff e8 fa 13 8c c6 e8 45 0e 40 00 89 45 ec e8 0d 14 8c c6 8b 45 ec <c6> 40 1e 01 8b 45 ec 8b 55 f0 89 90 a8 02 00 00 8b 45 f0 8b 55
[  452.391530] EIP: [<f993af06>] btusb_probe+0x29c/0x729 [btusb] SS:ESP 0068:f5e99db8
[  452.391535] CR2: 000000000000001e
[  452.391538] ---[ end trace 61ba59ea9cc8b981 ]---