*** This bug is a duplicate of bug 922906 *** https://bugs.launchpad.net/bugs/922906
Hope this helps? Apr 17 04:23:00 GlukPC kernel: [ 31.063322] Bluetooth: RFCOMM TTY layer initialized Apr 17 04:23:00 GlukPC kernel: [ 31.063330] Bluetooth: RFCOMM socket layer initialized Apr 17 04:23:00 GlukPC kernel: [ 31.063332] Bluetooth: RFCOMM ver 1.11 Apr 17 04:23:03 GlukPC kernel: [ 34.021626] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Apr 17 04:23:03 GlukPC kernel: [ 34.022368] BUG: unable to handle kernel NULL pointer dereference at (null) Apr 17 04:23:03 GlukPC kernel: [ 34.022415] IP: [<ffffffff8103fe69>] __ticket_spin_lock+0x9/0x30 Apr 17 04:23:03 GlukPC kernel: [ 34.022460] PGD 0 Apr 17 04:23:03 GlukPC kernel: [ 34.022476] Oops: 0002 [#1] SMP Apr 17 04:23:03 GlukPC kernel: [ 34.022505] CPU 0 Apr 17 04:23:03 GlukPC kernel: [ 34.022517] Modules linked in: hidp hid rfcomm bnep parport_pc dm_crypt ppdev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi mmc_block snd_seq_midi_event joydev arc4 pcmcia b43 snd_seq snd_timer snd_seq_device tifm_sd snd yenta_socket btusb pcmcia_rsrc uvcvideo videobuf2_core videodev coretemp tifm_7xx1 tifm_core bluetooth soundcore pcmcia_core snd_page_alloc mac_hid acer_wmi mac80211 cfg80211 psmouse bcma sparse_keymap microcode videobuf2_vmalloc videobuf2_memops serio_raw lp parport i915 drm_kms_helper wmi drm i2c_algo_bit video sky2 ssb Apr 17 04:23:03 GlukPC kernel: [ 34.022882] Apr 17 04:23:03 GlukPC kernel: [ 34.022893] Pid: 1291, comm: khidpd_04580058 Not tainted 3.4.0-030400rc3-generic #201204152235 Acer, inc. Aspire 5570 /Prespa1 Apr 17 04:23:03 GlukPC kernel: [ 34.022957] RIP: 0010:[<ffffffff8103fe69>] [<ffffffff8103fe69>] __ticket_spin_lock+0x9/0x30 Apr 17 04:23:03 GlukPC kernel: [ 34.022999] RSP: 0018:ffff88009e7bbd80 EFLAGS: 00010086 Apr 17 04:23:03 GlukPC kernel: [ 34.023025] RAX: 0000000000010000 RBX: 0000000000000286 RCX: ffff8800b7707a50 Apr 17 04:23:03 GlukPC kernel: [ 34.023058] RDX: ffff88009e7016e0 RSI: 0000000000000286 RDI: 0000000000000000 Apr 17 04:23:03 GlukPC kernel: [ 34.023091] RBP: ffff88009e7bbd80 R08: ffff88009e7ba000 R09: 0000000000000000 Apr 17 04:23:03 GlukPC kernel: [ 34.023124] R10: 0000000000000000 R11: 0000000000000001 R12: ffff88009e7bbe50 Apr 17 04:23:03 GlukPC kernel: [ 34.023157] R13: ffff8800b7707ae8 R14: ffff8800b7707ad0 R15: ffff8800b5c44070 Apr 17 04:23:03 GlukPC kernel: [ 34.023190] FS: 0000000000000000(0000) GS:ffff8800bf400000(0000) knlGS:0000000000000000 Apr 17 04:23:03 GlukPC kernel: [ 34.023228] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b Apr 17 04:23:03 GlukPC kernel: [ 34.023255] CR2: 0000000000000000 CR3: 000000009e47f000 CR4: 00000000000007f0 Apr 17 04:23:03 GlukPC kernel: [ 34.023288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 17 04:23:03 GlukPC kernel: [ 34.023320] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Apr 17 04:23:03 GlukPC kernel: [ 34.023353] Process khidpd_04580058 (pid: 1291, threadinfo ffff88009e7ba000, task ffff88009e7016e0) Apr 17 04:23:03 GlukPC kernel: [ 34.023393] Stack: Apr 17 04:23:03 GlukPC kernel: [ 34.023405] ffff88009e7bbd90 ffffffff8103ff19 ffff88009e7bbdb0 ffffffff8166aacf Apr 17 04:23:03 GlukPC kernel: [ 34.023447] 0000000000000000 ffff88009e7bbe50 ffff88009e7bbdd0 ffffffff81076c11 Apr 17 04:23:03 GlukPC kernel: [ 34.023489] 0000000000000000 ffff8800b7707a00 ffff88009e7bbee0 ffffffffa0442188 Apr 17 04:23:03 GlukPC kernel: [ 34.023530] Call Trace: Apr 17 04:23:03 GlukPC kernel: [ 34.023545] [<ffffffff8103ff19>] default_spin_lock_flags+0x9/0x10 Apr 17 04:23:03 GlukPC kernel: [ 34.023579] [<ffffffff8166aacf>] _raw_spin_lock_irqsave+0x2f/0x40 Apr 17 04:23:03 GlukPC kernel: [ 34.023611] [<ffffffff81076c11>] remove_wait_queue+0x21/0x70 Apr 17 04:23:03 GlukPC kernel: [ 34.023641] [<ffffffffa0442188>] hidp_session+0x348/0x640 [hidp] Apr 17 04:23:03 GlukPC kernel: [ 34.023670] [<ffffffff816696f1>] ? __schedule+0x3f1/0x710 Apr 17 04:23:03 GlukPC kernel: [ 34.023699] [<ffffffff81086d90>] ? try_to_wake_up+0x2d0/0x2d0 Apr 17 04:23:03 GlukPC kernel: [ 34.023729] [<ffffffff81086d90>] ? try_to_wake_up+0x2d0/0x2d0 Apr 17 04:23:03 GlukPC kernel: [ 34.023759] [<ffffffffa0441e40>] ? hidp_send_frame+0x50/0x50 [hidp] Apr 17 04:23:03 GlukPC kernel: [ 34.023791] [<ffffffff8107639e>] kthread+0x9e/0xb0 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] [<ffffffff81674464>] kernel_thread_helper+0x4/0x10 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] [<ffffffff81076300>] ? kthread_freezable_should_stop+0x70/0x70 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] [<ffffffff81674460>] ? gs_change+0x13/0x13 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] Code: 00 00 48 c7 c2 6e fc 03 81 48 c7 c1 71 fc 03 81 e9 dd fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 00 00 01 00 48 89 e5 <f0> 0f c1 07 89 c2 c1 ea 10 66 39 c2 74 13 66 0f 1f 84 00 00 00 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] RIP [<ffffffff8103fe69>] __ticket_spin_lock+0x9/0x30 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] RSP <ffff88009e7bbd80> Apr 17 04:23:03 GlukPC kernel: [ 34.024955] CR2: 0000000000000000 Apr 17 04:23:03 GlukPC kernel: [ 34.024955] ---[ end trace 16fc3b3a625076da ]--- Apr 17 04:23:18 GlukPC kernel: [ 49.361740] ------------[ cut here ]------------ Apr 17 04:23:18 GlukPC kernel: [ 49.361757] WARNING: at /home/apw/COD/linux/fs/sysfs/dir.c:508 sysfs_add_one+0xc1/0xf0() Apr 17 04:23:18 GlukPC kernel: [ 49.361763] Hardware name: Aspire 5570 Apr 17 04:23:18 GlukPC kernel: [ 49.361767] sysfs: cannot create duplicate filename '/devices/pci0000:00/0000:00:1d.2/usb4/4-1/4-1:1.0/bluetooth/hci0/hci0:11' Apr 17 04:23:18 GlukPC kernel: [ 49.361773] Modules linked in: hidp hid rfcomm bnep parport_pc dm_crypt ppdev snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi mmc_block snd_seq_midi_event joydev arc4 pcmcia b43 snd_seq snd_timer snd_seq_device tifm_sd snd yenta_socket btusb pcmcia_rsrc uvcvideo videobuf2_core videodev coretemp tifm_7xx1 tifm_core bluetooth soundcore pcmcia_core snd_page_alloc mac_hid acer_wmi mac80211 cfg80211 psmouse bcma sparse_keymap microcode videobuf2_vmalloc videobuf2_memops serio_raw lp parport i915 drm_kms_helper wmi drm i2c_algo_bit video sky2 ssb Apr 17 04:23:18 GlukPC kernel: [ 49.361888] Pid: 45, comm: kworker/u:2 Tainted: G D 3.4.0-030400rc3-generic #201204152235 Apr 17 04:23:18 GlukPC kernel: [ 49.361893] Call Trace: Apr 17 04:23:18 GlukPC kernel: [ 49.361907] [<ffffffff81052caf>] warn_slowpath_common+0x7f/0xc0 Apr 17 04:23:18 GlukPC kernel: [ 49.361915] [<ffffffff81052da6>] warn_slowpath_fmt+0x46/0x50 Apr 17 04:23:18 GlukPC kernel: [ 49.361923] [<ffffffff811f62a1>] sysfs_add_one+0xc1/0xf0 Apr 17 04:23:18 GlukPC kernel: [ 49.361930] [<ffffffff811f6352>] create_dir+0x82/0xe0 Apr 17 04:23:18 GlukPC kernel: [ 49.361937] [<ffffffff811f643c>] sysfs_create_dir+0x8c/0xe0 Apr 17 04:23:18 GlukPC kernel: [ 49.361950] [<ffffffff8131e65f>] kobject_add_internal+0xbf/0x230 Apr 17 04:23:18 GlukPC kernel: [ 49.361957] [<ffffffff8131e998>] kobject_add_varg+0x38/0x60 Apr 17 04:23:18 GlukPC kernel: [ 49.361965] [<ffffffff8131ea74>] kobject_add+0x44/0x70 Apr 17 04:23:18 GlukPC kernel: [ 49.361974] [<ffffffff8140c890>] device_add+0xd0/0x520 Apr 17 04:23:18 GlukPC kernel: [ 49.362005] [<ffffffffa019a0b6>] hci_conn_add_sysfs+0x46/0x80 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362013] [<ffffffffa01908a7>] hci_event_packet+0x1d17/0x2a50 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362019] [<ffffffff8155788b>] ? __alloc_skb+0x4b/0x170 Apr 17 04:23:18 GlukPC kernel: [ 49.362025] [<ffffffff81086da2>] ? default_wake_function+0x12/0x20 Apr 17 04:23:18 GlukPC kernel: [ 49.362028] [<ffffffff81086d90>] ? try_to_wake_up+0x2d0/0x2d0 Apr 17 04:23:18 GlukPC kernel: [ 49.362033] [<ffffffff8107f119>] ? __wake_up_common+0x59/0x90 Apr 17 04:23:18 GlukPC kernel: [ 49.362038] [<ffffffff8108235e>] ? __wake_up_sync_key+0x5e/0x80 Apr 17 04:23:18 GlukPC kernel: [ 49.362044] [<ffffffff8116e640>] ? kmem_cache_free+0x20/0xf0 Apr 17 04:23:18 GlukPC kernel: [ 49.362052] [<ffffffffa0198b6f>] ? hci_send_to_sock+0xff/0x1d0 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362056] [<ffffffff815583d7>] ? __kfree_skb+0x47/0xa0 Apr 17 04:23:18 GlukPC kernel: [ 49.362060] [<ffffffff81557f2b>] ? kfree_skb+0x3b/0x90 Apr 17 04:23:18 GlukPC kernel: [ 49.362068] [<ffffffffa0198b6f>] ? hci_send_to_sock+0xff/0x1d0 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362075] [<ffffffffa01877b3>] hci_rx_work+0x253/0x2d0 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362080] [<ffffffff81085653>] ? finish_task_switch+0x53/0x100 Apr 17 04:23:18 GlukPC kernel: [ 49.362085] [<ffffffff816696f1>] ? __schedule+0x3f1/0x710 Apr 17 04:23:18 GlukPC kernel: [ 49.362092] [<ffffffffa0187560>] ? hci_req_complete+0xc0/0xc0 [bluetooth] Apr 17 04:23:18 GlukPC kernel: [ 49.362098] [<ffffffff8106ecdb>] process_one_work+0x12b/0x470 Apr 17 04:23:18 GlukPC kernel: [ 49.362102] [<ffffffff81071846>] worker_thread+0x176/0x420 Apr 17 04:23:18 GlukPC kernel: [ 49.362105] [<ffffffff810716d0>] ? manage_workers+0x120/0x120 Apr 17 04:23:18 GlukPC kernel: [ 49.362109] [<ffffffff8107639e>] kthread+0x9e/0xb0 Apr 17 04:23:18 GlukPC kernel: [ 49.362115] [<ffffffff81674464>] kernel_thread_helper+0x4/0x10 Apr 17 04:23:18 GlukPC kernel: [ 49.362119] [<ffffffff81076300>] ? kthread_freezable_should_stop+0x70/0x70 Apr 17 04:23:18 GlukPC kernel: [ 49.362122] [<ffffffff81674460>] ? gs_change+0x13/0x13 Apr 17 04:23:18 GlukPC kernel: [ 49.362125] ---[ end trace 16fc3b3a625076db ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/978283 Title: Wen I search and connect bluetooth devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/978283/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs