[ 9.397326][ T199] python3 (199) used greatest stack depth: 24352 bytes left [ 9.397343][ T199] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.397345][ T199] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 199, name: python3 [ 9.397347][ T199] preempt_count: 2, expected: 0 [ 9.397348][ T199] RCU nest depth: 0, expected: 0 [ 9.397349][ T199] locks held by python3/199: 5, last CPU#1: [ 9.397351][ T199] #0: ffffffff9de027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.397363][ T199] #1: ffffffff9df69cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.397369][ T199] #2: ffffffff9df69d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.397372][ T199] #3: ffffffff9de89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.397375][ T199] #4: ffffffff9de89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.397378][ T199] irq event stamp: 152324 [ 9.397379][ T199] hardirqs last enabled at (152323): [] __down_trylock_console_sem+0x86/0xa0 [ 9.397382][ T199] hardirqs last disabled at (152324): [] console_emit_next_record+0x3d4/0x4c0 [ 9.397384][ T199] softirqs last enabled at (145724): [] handle_softirqs+0x67c/0x900 [ 9.397386][ T199] softirqs last disabled at (145715): [] __irq_exit_rcu+0x145/0x1c0 [ 9.397388][ T199] Preemption disabled at: [ 9.397389][ T199] [<0000000000000000>] 0x0 [ 9.397396][ T199] CPU: 1 UID: 0 PID: 199 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.397399][ T199] Tainted: [W]=WARN [ 9.397400][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.397401][ T199] Call Trace: [ 9.397403][ T199] [ 9.397404][ T199] dump_stack_lvl+0x6f/0xa0 [ 9.397410][ T199] __might_resched.cold+0x1fe/0x2c1 [ 9.397414][ T199] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.397417][ T199] ? __kmalloc_noprof+0xdb/0x760 [ 9.397423][ T199] __kmalloc_noprof+0x443/0x760 [ 9.397425][ T199] ? alloc_buf.isra.0+0x4b/0x260 [ 9.397431][ T199] ? do_raw_spin_unlock+0x59/0x250 [ 9.397434][ T199] alloc_buf.isra.0+0x4b/0x260 [ 9.397437][ T199] put_chars+0x1e1/0x2f0 [ 9.397440][ T199] ? __send_to_port+0x420/0x420 [ 9.397442][ T199] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.397446][ T199] ? validate_chain+0x38b/0xc20 [ 9.397451][ T199] hvc_console_print+0x292/0x780 [ 9.397457][ T199] ? hvc_write+0x3a0/0x3a0 [ 9.397459][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.397461][ T199] ? lock_acquire+0x13c/0x160 [ 9.397465][ T199] console_emit_next_record+0x22f/0x4c0 [ 9.397469][ T199] ? devkmsg_read+0x4b0/0x4b0 [ 9.397470][ T199] ? console_flush_one_record+0x106/0x710 [ 9.397473][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.397475][ T199] ? lock_acquire+0x13c/0x160 [ 9.397478][ T199] console_flush_one_record+0x46f/0x710 [ 9.397482][ T199] ? console_emit_next_record+0x4c0/0x4c0 [ 9.397483][ T199] ? __lock_acquire+0x518/0xc20 [ 9.397488][ T199] console_unlock+0xee/0x1f0 [ 9.397490][ T199] ? console_flush_one_record+0x710/0x710 [ 9.397492][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.397493][ T199] ? lock_acquire+0x60/0x160 [ 9.397497][ T199] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.397499][ T199] ? vprintk_emit+0x320/0x3e0 [ 9.397502][ T199] vprintk_emit+0x37c/0x3e0 [ 9.397505][ T199] ? wake_up_klogd_work_func+0x90/0x90 [ 9.397508][ T199] ? __lock_acquire+0x518/0xc20 [ 9.397511][ T199] _printk+0xc7/0x100 [ 9.397515][ T199] ? snapshot_read.cold+0x21/0x21 [ 9.397518][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.397521][ T199] ? __rwlock_init+0x150/0x150 [ 9.397524][ T199] ? do_raw_spin_lock+0x131/0x280 [ 9.397527][ T199] do_exit.cold+0x82/0x9c [ 9.397531][ T199] ? exit_notify+0x890/0x890 [ 9.397532][ T199] ? __lock_release.isra.0+0x69/0x1a0 [ 9.397535][ T199] ? rcu_is_watching+0x16/0xd0 [ 9.397539][ T199] do_group_exit+0xb8/0x370 [ 9.397541][ T199] __x64_sys_exit_group+0x3c/0x50 [ 9.397543][ T199] x64_sys_call+0x1567/0x1570 [ 9.397546][ T199] do_syscall_64+0xff/0x530 [ 9.397550][ T199] ? exc_page_fault+0xee/0x100 [ 9.397553][ T199] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.397555][ T199] RIP: 0033:0x7f0da2afc1b8 [ 9.397557][ T199] Code: Unable to access opcode bytes at 0x7f0da2afc18e. [ 9.397558][ T199] RSP: 002b:00007ffd3d56f548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.397560][ T199] RAX: ffffffffffffffda RBX: 00007f0da2c2cf88 RCX: 00007f0da2afc1b8 [ 9.397562][ T199] RDX: 00007f0da2924708 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 9.397563][ T199] RBP: 00007ffd3d56f5a0 R08: 0000000000000000 R09: 0000000000000001 [ 9.397563][ T199] R10: 00007f0da2fe63f5 R11: 0000000000000246 R12: 0000000000000002 [ 9.397564][ T199] R13: 0000000000000000 R14: 00007f0da2c2b680 R15: 00007f0da2c2cfa0 [ 9.397571][ T199]