| TITLE: BUG: spinlock already unlocked in __wake_up |
| |
| [ 108.620932] BUG: spinlock already unlocked on CPU#1, migration/1/12 |
| [ 108.627365] lock: rcu_sched_state+0xb40/0xc20, .magic: dead4ead, .owner: <none>/-1, .owner_cpu: -1 |
| [ 108.636523] CPU: 1 PID: 12 Comm: migration/1 Not tainted 4.3.5+ #6 |
| [ 108.642815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 108.652143] 0000000000000001 ffff8801d8f6fb30 ffffffff81d0010d ffffffff837b69c0 |
| [ 108.660142] ffff8801d8f68340 0000000000000003 0000000000000001 0000000000000000 |
| [ 108.668095] ffff8801d8f6fb70 ffffffff813fba22 0000000000000046 ffff8801d8f68b80 |
| [ 108.676053] Call Trace: |
| [ 108.678614] [<ffffffff81d0010d>] dump_stack+0xc1/0x124 |
| [ 108.683946] [<ffffffff813fba22>] spin_dump+0x152/0x280 |
| [ 108.689274] [<ffffffff813fc152>] do_raw_spin_unlock+0x1e2/0x240 |
| [ 108.695386] [<ffffffff810108ec>] _raw_spin_unlock_irqrestore+0x2c/0x60 |
| [ 108.702102] [<ffffffff813cd204>] __wake_up+0x44/0x50 |
| [ 108.707255] [<ffffffff81429500>] ? rcu_barrier_func+0x90/0x90 |
| [ 108.713189] [<ffffffff8142958a>] synchronize_sched_expedited_cpu_stop+0x8a/0xa0 |
| [ 108.720688] [<ffffffff814dbfe8>] cpu_stopper_thread+0x1f8/0x400 |
| [ 108.726796] [<ffffffff814dbdf0>] ? cpu_stop_create+0x90/0x90 |
| [ 108.732646] [<ffffffff814db078>] ? cpu_stop_should_run+0x58/0xb0 |
| [ 108.738844] [<ffffffff810108f6>] ? _raw_spin_unlock_irqrestore+0x36/0x60 |
| [ 108.745734] [<ffffffff813ed79b>] ? trace_hardirqs_on_caller+0x38b/0x590 |
| [ 108.752541] [<ffffffff813ed9ad>] ? trace_hardirqs_on+0xd/0x10 |
| [ 108.758476] [<ffffffff814dbdf0>] ? cpu_stop_create+0x90/0x90 |
| [ 108.764326] [<ffffffff8134237c>] smpboot_thread_fn+0x47c/0x880 |
| [ 108.770347] [<ffffffff81341f00>] ? sort_range+0x40/0x40 |
| [ 108.775761] [<ffffffff81001aea>] ? schedule+0x9a/0x1b0 |
| [ 108.781090] [<ffffffff81337c9f>] ? __kthread_parkme+0x17f/0x250 |
| [ 108.787198] [<ffffffff81338531>] kthread+0x231/0x2c0 |
| [ 108.792352] [<ffffffff81341f00>] ? sort_range+0x40/0x40 |
| [ 108.797767] [<ffffffff81338300>] ? kthread_create_on_node+0x460/0x460 |
| [ 108.804399] [<ffffffff81338300>] ? kthread_create_on_node+0x460/0x460 |
| [ 108.811031] [<ffffffff82d2fbac>] ret_from_fork+0x5c/0x90 |
| [ 108.816532] [<ffffffff81338300>] ? kthread_create_on_node+0x460/0x460 |
| |
