[   10.982618][  T110] su (110) used greatest stack depth: 24104 bytes left
[   10.982636][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   10.982638][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   10.982639][  T110] preempt_count: 2, expected: 0
[   10.982640][  T110] RCU nest depth: 0, expected: 0
[   10.982641][  T110] locks held by su/110: 5, last CPU#2:
[   10.982644][  T110]  #0: ffffffffa4e027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   10.982655][  T110]  #1: ffffffffa4f69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   10.982660][  T110]  #2: ffffffffa4f69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   10.982663][  T110]  #3: ffffffffa4e89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   10.982666][  T110]  #4: ffffffffa4e89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[   10.982669][  T110] irq event stamp: 155414
[   10.982670][  T110] hardirqs last  enabled at (155413): [<ffffffffa1d6d546>] __down_trylock_console_sem+0x86/0xa0
[   10.982674][  T110] hardirqs last disabled at (155414): [<ffffffffa1d735f4>] console_emit_next_record+0x3d4/0x4c0
[   10.982675][  T110] softirqs last  enabled at (154890): [<ffffffffa1bcaa2c>] handle_softirqs+0x67c/0x900
[   10.982677][  T110] softirqs last disabled at (154885): [<ffffffffa1bcae65>] __irq_exit_rcu+0x145/0x1c0
[   10.982680][  T110] Preemption disabled at:
[   10.982680][  T110] [<0000000000000000>] 0x0