[   97.329114][  T118] su (118) used greatest stack depth: 24072 bytes left
[   97.329135][  T118] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   97.329137][  T118] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 118, name: su
[   97.329138][  T118] preempt_count: 2, expected: 0
[   97.329139][  T118] RCU nest depth: 0, expected: 0
[   97.329140][  T118] locks held by su/118: 5, last CPU#3:
[   97.329142][  T118]  #0: ffffffffac4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   97.329154][  T118]  #1: ffffffffac57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   97.329159][  T118]  #2: ffffffffac57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   97.329164][  T118]  #3: ffffffffac49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   97.329168][  T118]  #4: ffffffffac49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0
[   97.329172][  T118] irq event stamp: 162836
[   97.329172][  T118] hardirqs last  enabled at (162835): [<ffffffffa8986626>] __down_trylock_console_sem+0x86/0xa0
[   97.329176][  T118] hardirqs last disabled at (162836): [<ffffffffa898c6c4>] console_emit_next_record+0x3d4/0x4c0
[   97.329178][  T118] softirqs last  enabled at (161490): [<ffffffffa87e0d0c>] handle_softirqs+0x67c/0x900
[   97.329180][  T118] softirqs last disabled at (161485): [<ffffffffa87e1145>]