[ 97.322060] BUG: unable to handle kernel NULL pointer dereference at (null) [ 97.322153] IP: [<ffffffff81044b89>] __ticket_spin_lock+0x9/0x30 [ 97.322226] PGD 0 [ 97.322238] Oops: 0002 [#1] SMP [ 97.322260] Modules linked in: hidp hid rfcomm parport_pc bnep ppdev btusb ath3k bluetooth snd_hda_codec_realtek arc4 snd_hda_intel snd_hda_codec mmc_block b43 coretemp snd_hwdep snd_pcm joydev kvm_intel snd_seq_midi mac80211 kvm tifm_sd snd_rawmidi acer_wmi pcmcia snd_seq_midi_event snd_seq psmouse yenta_socket tifm_7xx1 snd_timer cfg80211 pcmcia_rsrc tifm_core snd_seq_device pcmcia_core lpc_ich microcode sparse_keymap serio_raw bcma snd soundcore snd_page_alloc mac_hid lp parport i915 drm_kms_helper drm i2c_algo_bit ssb sky2 video wmi [ 97.322594] CPU 0 [ 97.322609] Pid: 1898, comm: khidpd_04580058 Not tainted 3.6.0-030600rc6-generic #201209161835 Acer, inc. Aspire 5570 /Prespa1 [ 97.322664] RIP: 0010:[<ffffffff81044b89>] [<ffffffff81044b89>] __ticket_spin_lock+0x9/0x30 [ 97.322706] RSP: 0018:ffff880040d29d80 EFLAGS: 00010086 [ 97.322732] RAX: 0000000000010000 RBX: 0000000000000286 RCX: 0000000000000000 [ 97.322763] RDX: 0000000000000001 RSI: 0000000000000286 RDI: 0000000000000000 [ 97.322795] RBP: ffff880040d29d80 R08: 0000000000000001 R09: 0000000000000000 [ 97.322827] R10: ffffffffa049f87c R11: 0000000000000001 R12: ffff8800440f6a00 [ 97.322858] R13: 0000000000000001 R14: 0000000000000001 R15: 0000000000000000 [ 97.322890] FS: 0000000000000000(0000) GS:ffff8800bf400000(0000) knlGS:0000000000000000 [ 97.322927] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 97.322952] CR2: 0000000000000000 CR3: 0000000001c0c000 CR4: 00000000000007f0 [ 97.322984] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 97.323015] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 97.323047] Process khidpd_04580058 (pid: 1898, threadinfo ffff880040d28000, task ffff8800b6498000) [ 97.323086] Stack: [ 97.323098] ffff880040d29d90 ffffffff81044c39 ffff880040d29db0 ffffffff8169ed1e [ 97.323139] 0000000000000000 ffff8800440f6a00 ffff880040d29df0 ffffffff81086f72 [ 97.323178] ffff880040d29dd0 ffff88006abd5c00 ffff8800440f6a00 ffff8800440f6ae8 [ 97.323218] Call Trace: [ 97.323233] [<ffffffff81044c39>] default_spin_lock_flags+0x9/0x10 [ 97.323265] [<ffffffff8169ed1e>] _raw_spin_lock_irqsave+0x2e/0x40 [ 97.323297] [<ffffffff81086f72>] __wake_up+0x32/0x70 [ 97.323323] [<ffffffffa04c091d>] hidp_session+0x42d/0x640 [hidp] [ 97.323353] [<ffffffff8108aa4a>] ? finish_task_switch+0x4a/0xf0 [ 97.323383] [<ffffffff8108ee60>] ? try_to_wake_up+0x200/0x200 [ 97.323411] [<ffffffff8108ee60>] ? try_to_wake_up+0x200/0x200 [ 97.323441] [<ffffffffa04c04f0>] ? hidp_recv_ctrl_frame+0xf0/0xf0 [hidp] [ 97.323473] [<ffffffff8107c4b3>] kthread+0x93/0xa0 [ 97.323498] [<ffffffff816a8504>] kernel_thread_helper+0x4/0x10 [ 97.323527] [<ffffffff8107c420>] ? flush_kthread_worker+0xb0/0xb0 [ 97.323557] [<ffffffff816a8500>] ? gs_change+0x13/0x13 [ 97.323580] Code: 00 00 48 c7 c1 91 49 04 81 48 c7 c2 8e 49 04 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 [ 97.323799] RIP [<ffffffff81044b89>] __ticket_spin_lock+0x9/0x30 [ 97.323831] RSP <ffff880040d29d80> [ 97.323847] CR2: 0000000000000000 [ 97.333867] ---[ end trace eb2ada88719afb71 ]---
** Tags removed: kernel-bug-exists-upstream-v3.4-rc5-precise needs-upstream-testing ** Tags added: kernel-bug-exists-upstream-v3.6-rc6-generic -- 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: 0a5c:200a BUG: unable to handle kernel NULL pointer dereference at (null); RIP: 0010:[<ffffffff8103dff9>] [<ffffffff8103dff9>] __ticket_spin_lock+0x9/0x30 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/978283/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
