On Fri, Nov 07, 2014 at 11:27:54AM +0200, Johan Hedberg wrote: > Chan-yeol Park (1): > Bluetooth: Fix hci_sync missing wakeup interrupt Look like this commit causes problem for me: [ 2.018671] ------------[ cut here ]------------ [ 2.022836] WARNING: CPU: 2 PID: 109 at /home/kas/git/public/linux/kernel/sched/core.c:7323 __might_sleep+0xbd/0xd0() [ 2.023166] Freeing unused kernel memory: 944K (ffff880001b14000 - ffff880001c00000) [ 2.030362] do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff819ab67b>] __hci_req_sync+0x7b/0x2a0 [ 2.034193] Modules linked in: [ 2.036133] CPU: 2 PID: 109 Comm: kworker/u17:0 Not tainted 3.18.0-rc4-next-20141117-07404-g9dad2ab6df8b #66 [ 2.036383] Freeing unused kernel memory: 1404K (ffff8800020a1000 - ffff880002200000) [ 2.038940] Hardware name: LENOVO 3460CC6/3460CC6, BIOS G6ET93WW (2.53 ) 02/04/2013 [ 2.040233] Workqueue: hci0 hci_power_on [ 2.041517] ffffffff81f51d50 ffff8800d3ecfb28 ffffffff81afc316 0000000000000000 [ 2.042811] ffff8800d3ecfb78 ffff8800d3ecfb68 ffffffff810fc11a ffff880000000000 [ 2.042812] ffffffff81f52a28 000000000000026d 0000000000000000 ffff8800d3ec9200 [ 2.042813] Call Trace: [ 2.042818] [<ffffffff81afc316>] dump_stack+0x4c/0x6e [ 2.042821] [<ffffffff810fc11a>] warn_slowpath_common+0x8a/0xc0 [ 2.042823] [<ffffffff810fc196>] warn_slowpath_fmt+0x46/0x50 [ 2.042825] [<ffffffff819ab67b>] ? __hci_req_sync+0x7b/0x2a0 [ 2.042827] [<ffffffff819ab67b>] ? __hci_req_sync+0x7b/0x2a0 [ 2.042830] [<ffffffff811295ed>] __might_sleep+0xbd/0xd0 [ 2.042832] [<ffffffff81b04b8f>] mutex_lock_nested+0x2f/0x450 [ 2.042835] [<ffffffff81b0812b>] ? _raw_spin_unlock+0x2b/0x50 [ 2.042837] [<ffffffff81131db0>] ? wake_up_process+0x50/0x50 [ 2.042840] [<ffffffff813b9ea1>] __create_file+0x71/0x2c0 [ 2.042842] [<ffffffff813ba10f>] debugfs_create_file+0x1f/0x30 [ 2.042844] [<ffffffff819ac461>] hci_dev_do_open+0x431/0xa70 [ 2.042846] [<ffffffff8111a72c>] ? process_one_work+0x13c/0x810 [ 2.042847] [<ffffffff819ad2b1>] hci_power_on+0x31/0x1e0 [ 2.042849] [<ffffffff8111a7c8>] process_one_work+0x1d8/0x810 [ 2.042850] [<ffffffff8111a72c>] ? process_one_work+0x13c/0x810 [ 2.042851] [<ffffffff8111b2db>] worker_thread+0x6b/0x4b0 [ 2.042852] [<ffffffff8111b270>] ? init_pwq+0xf0/0xf0 [ 2.042854] [<ffffffff81120ef9>] kthread+0x119/0x130 [ 2.042855] [<ffffffff8112923d>] ? finish_task_switch+0x4d/0x140 [ 2.042857] [<ffffffff81120de0>] ? kthread_create_on_node+0x240/0x240 [ 2.042859] [<ffffffff81b08cfc>] ret_from_fork+0x7c/0xb0 [ 2.042861] [<ffffffff81120de0>] ? kthread_create_on_node+0x240/0x240 [ 2.042863] ---[ end trace 3a40e80ec4ca7159 ]--- -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
