[   59.222952][  T118] su (118) used greatest stack depth: 22992 bytes left
[   59.222972][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   59.222974][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   59.222976][  T118] preempt_count: 2, expected: 0
[   59.222976][  T118] RCU nest depth: 0, expected: 0
[   59.222977][  T118] locks held by su/118: 5, last CPU#1:
[   59.222979][  T118]  #0: ffffffffba6167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   59.222990][  T118]  #1: ffffffffba77ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   59.222995][  T118]  #2: ffffffffba77de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   59.222999][  T118]  #3: ffffffffba69d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   59.223003][  T118]  #4: ffffffffba69d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[   59.223007][  T118] irq event stamp: 183188
[   59.223008][  T118] hardirqs last  enabled at (183187): [<ffffffffb6b86626>] __down_trylock_console_sem+0x86/0xa0
[   59.223011][  T118] hardirqs last disabled at (183188): [<ffffffffb6b8c6c4>] console_emit_next_record+0x3d4/0x4c0
[   59.223013][  T118] softirqs last  enabled at (182784): [<ffffffffb69e0d0c>] handle_softirqs+0x67c/0x900
[   59.223015][  T118] softirqs last disabled at (181429): [<ffffffffb69e1145>] __irq_exit_rcu+0x145/0x1c0
[   59.223017][  T118] Preemption disabled at:
[   59.223018][  T118] [<0000000000000000>] 0x0
[   59.223025][  T118] CPU: 1 UID: 0 PID: 118 Co