[   98.296564][  T110] su (110) used greatest stack depth: 23968 bytes left
[   98.296585][  T110] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322
[   98.296588][  T110] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 110, name: su
[   98.296589][  T110] preempt_count: 2, expected: 0
[   98.296590][  T110] RCU nest depth: 0, expected: 0
[   98.296591][  T110] locks held by su/110: 5, last CPU#0:
[   98.296593][  T110]  #0: ffffffff912027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0
[   98.296606][  T110]  #1: ffffffff91399cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0
[   98.296612][  T110]  #2: ffffffff91399d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710
[   98.296616][  T110]  #3: ffffffff91289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60
[   98.296619][  T110]  #4: ffffffff91289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0
[   98.296623][  T110] irq event stamp: 157048
[   98.296624][  T110] hardirqs last  enabled at (157047): [<ffffffff8e16d536>] __down_trylock_console_sem+0x86/0xa0
[   98.296626][  T110] hardirqs last disabled at (157048): [<ffffffff8e1737d8>] console_emit_next_record+0x3f8/0x4f0
[   98.296628][  T110] softirqs last  enabled at (156758): [<ffffffff8dfcaa2c>] handle_softirqs+0x67c/0x900
[   98.296631][  T110] softirqs last disabled at (156753): [<fff