$ uname -a Linux hellcat 3.13.6-gentoo #1 SMP PREEMPT Tue Mar 18 15:37:31 MDT 2014 x86_64 Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz GenuineIntel GNU/Linux $ dmesg [83321.560506] usb 4-4.3.3: Failed to set U1 timeout to 0x0,error code -71 [83321.560516] BUG: unable to handle kernel NULL pointer dereference at 0000000000000010 [83321.560530] IP: [<ffffffff81484707>] usb_enable_link_state+0x37/0x350 [83321.560539] PGD 0 [83321.560542] Oops: 0000 [#1] PREEMPT SMP [83321.560547] Modules linked in: snd_pcm_oss snd_mixer_oss snd_hda_codec_hdmi snd_hda_codec_realtek nouveau cfbfillrect cfbimgblt mxm_wmi wmi fbcon cfbcopyarea snd_hda_intel i2c_algo_bit bitblit ttm softcursor snd_hda_codec font drm_kms_helper snd_hwdep x86_pkg_temp_thermal snd_pcm drm coretemp snd_page_alloc fb snd_timer fbdev snd e1000e ptp pps_core video [83321.560601] CPU: 4 PID: 5366 Comm: usb-storage Not tainted 3.13.6-gentoo #1 [83321.560605] Hardware name: Dell Inc. OptiPlex 7010/0KRC95, BIOS A12 01/10/2013 [83321.560609] task: ffff880506139a00 ti: ffff88045169c000 task.ti: ffff88045169c000 [83321.560614] RIP: 0010:[<ffffffff81484707>] [<ffffffff81484707>] usb_enable_link_state+0x37/0x350 [83321.560621] RSP: 0018:ffff88045169dbf8 EFLAGS: 00010246 [83321.560624] RAX: 0000000000000000 RBX: ffff8805fc791800 RCX: 0000000000000001 [83321.560628] RDX: 0000000000000001 RSI: ffff8805fc791800 RDI: ffff880601322400 [83321.560632] RBP: 0000000000000001 R08: 0000000000000400 R09: 00000000000003d0 [83321.560636] R10: 0000000000000006 R11: 00000000000003cf R12: ffff8800de988000 [83321.560640] R13: 0000000000000003 R14: ffff880601322400 R15: ffff880601322400 [83321.560644] FS: 0000000000000000(0000) GS:ffff88061dd00000(0000) knlGS:0000000000000000 [83321.560648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [83321.560651] CR2: 0000000000000010 CR3: 000000000188f000 CR4: 00000000001407e0 [83321.560655] Stack: [83321.560657] ffffffff81803a23 0000000000000000 00000000ffffffb9 ffff88061dd14680 [83321.560664] ffff880506139a00 ffffffff81483b6c 0000000000000010 ffff8805fc791800 [83321.560675] ffff880601322400 ffff8800de988000 0000000000000003 0000000000000003 [83321.560682] Call Trace: [83321.560686] [<ffffffff81483b6c>] ? usb_set_lpm_timeout+0x12c/0x140 [83321.560691] [<ffffffff81484aa8>] ? usb_enable_lpm+0x88/0xb0 [83321.560695] [<ffffffff81484bef>] ? usb_disable_lpm+0xbf/0xd0 [83321.560700] [<ffffffff81484c2e>] ? usb_unlocked_disable_lpm+0x2e/0x60 [83321.560705] [<ffffffff81487c53>] ? usb_reset_and_verify_device+0x93/0x630 [83321.560710] [<ffffffff810a6fc0>] ? try_to_wake_up+0x2a0/0x2a0 [83321.560715] [<ffffffff814882f8>] ? usb_reset_device+0x108/0x180 [83321.560721] [<ffffffff814c3d11>] ? usb_stor_port_reset+0x61/0x70 [83321.560726] [<ffffffff814c3d8c>] ? usb_stor_invoke_transport+0x6c/0x480 [83321.560731] [<ffffffff814c51c5>] ? usb_stor_control_thread+0x145/0x250 [83321.560736] [<ffffffff814c5080>] ? fill_inquiry_response+0x20/0x20 [83321.560740] [<ffffffff814c5080>] ? fill_inquiry_response+0x20/0x20 [83321.560745] [<ffffffff8109c73c>] ? kthread+0xbc/0xe0 [83321.560750] [<ffffffff810a0000>] ? create_new_namespaces+0x130/0x1a0 [83321.560756] [<ffffffff8109c680>] ? __kthread_parkme+0x70/0x70 [83321.560760] [<ffffffff8167df3c>] ? ret_from_fork+0x7c/0xb0 [83321.560765] [<ffffffff8109c680>] ? __kthread_parkme+0x70/0x70 [83321.560769] Code: 48 89 6c 24 40 89 d5 4c 89 74 24 58 83 fd 01 49 89 fe 4c 89 64 24 48 0f 94 c1 4c 89 6c 24 50 4c 89 7c 24 60 48 8b 86 e0 02 00 00 <48> 8b 40 10 0f b7 50 08 0f 84 bb 00 00 00 83 fd 02 40 0f 94 c6 [83321.560837] RIP [<ffffffff81484707>] usb_enable_link_state+0x37/0x350 [83321.560843] RSP <ffff88045169dbf8> [83321.560845] CR2: 0000000000000010 [83321.568066] ---[ end trace dacc74e95425c8bf ]--- [83321.811713] usb 4-4: USB disconnect, device number 2 [83321.811717] usb 4-4.3: USB disconnect, device number 3 [83321.811728] usb 4-4.3.3: USB disconnect, device number 6 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
