[ 10.272613][ T200] packetdrill (200) used greatest stack depth: 24136 bytes left [ 10.272630][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.272632][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: packetdrill [ 10.272634][ T200] preempt_count: 2, expected: 0 [ 10.272634][ T200] RCU nest depth: 0, expected: 0 [ 10.272635][ T200] locks held by packetdrill/200: 5, last CPU#1: [ 10.272637][ T200] #0: ffffffffb06027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.272649][ T200] #1: ffffffffb0769cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.272655][ T200] #2: ffffffffb0769d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.272658][ T200] #3: ffffffffb0689660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.272661][ T200] #4: ffffffffb0689560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.272665][ T200] irq event stamp: 4242184 [ 10.272665][ T200] hardirqs last enabled at (4242183): [] __down_trylock_console_sem+0x86/0xa0 [ 10.272669][ T200] hardirqs last disabled at (4242184): [] console_emit_next_record+0x3d4/0x4c0 [ 10.272670][ T200] softirqs last enabled at (4242110): [] handle_softirqs+0x67c/0x900 [ 10.272672][ T200] softirqs last disabled at (4241513): [] __irq_exit_rcu+0x145/0x1c0 [ 10.272675][ T200] Preemption disabled at: [ 10.272675][ T200] [<0000000000000000>] 0x0 [ 10.272682][ T200] CPU: 1 UID: 0 PID: 200 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.272685][ T200] Tainted: [W]=WARN [ 10.272686][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.272688][ T200] Call Trace: [ 10.272689][ T200] [ 10.272690][ T200] dump_stack_lvl+0x6f/0xa0 [ 10.272696][ T200] __might_resched.cold+0x1fe/0x2c1 [ 10.272700][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.272703][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 10.272708][ T200] __kmalloc_noprof+0x443/0x760 [ 10.272711][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 10.272716][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 10.272719][ T200] alloc_buf.isra.0+0x4b/0x260 [ 10.272722][ T200] put_chars+0x1e1/0x2f0 [ 10.272725][ T200] ? __send_to_port+0x420/0x420 [ 10.272727][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.272731][ T200] ? validate_chain+0x38b/0xc20 [ 10.272736][ T200] hvc_console_print+0x292/0x780 [ 10.272743][ T200] ? hvc_write+0x3a0/0x3a0 [ 10.272745][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.272747][ T200] ? lock_acquire+0x13c/0x160 [ 10.272751][ T200] console_emit_next_record+0x22f/0x4c0 [ 10.272754][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 10.272756][ T200] ? console_flush_one_record+0x106/0x710 [ 10.272758][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.272760][ T200] ? lock_acquire+0x13c/0x160 [ 10.272764][ T200] console_flush_one_record+0x46f/0x710 [ 10.272768][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 10.272769][ T200] ? __lock_acquire+0x518/0xc20 [ 10.272774][ T200] console_unlock+0xee/0x1f0 [ 10.272777][ T200] ? console_flush_one_record+0x710/0x710 [ 10.272778][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.272780][ T200] ? lock_acquire+0x60/0x160 [ 10.272783][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.272785][ T200] ? vprintk_emit+0x320/0x3e0 [ 10.272788][ T200] vprintk_emit+0x37c/0x3e0 [ 10.272791][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 10.272794][ T200] ? __lock_acquire+0x518/0xc20 [ 10.272798][ T200] _printk+0xc7/0x100 [ 10.272802][ T200] ? snapshot_read.cold+0x21/0x21 [ 10.272804][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.272807][ T200] ? __rwlock_init+0x150/0x150 [ 10.272811][ T200] ? do_raw_spin_lock+0x131/0x280 [ 10.272814][ T200] do_exit.cold+0x82/0x9c [ 10.272817][ T200] ? exit_notify+0x890/0x890 [ 10.272819][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 10.272822][ T200] ? rcu_is_watching+0x16/0xd0 [ 10.272825][ T200] do_group_exit+0xb8/0x370 [ 10.272828][ T200] __x64_sys_exit_group+0x3c/0x50 [ 10.272830][ T200] x64_sys_call+0x1567/0x1570 [ 10.272833][ T200] do_syscall_64+0xff/0x530 [ 10.272837][ T200] ? irq_exit_rcu+0x1a/0x30 [ 10.272839][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.272842][ T200] RIP: 0033:0x479678 [ 10.272844][ T200] Code: Unable to access opcode bytes at 0x47964e. [ 10.272845][ T200] RSP: 002b:00007ffe8a9e2a78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.272847][ T200] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 10.272849][ T200] RDX: 000000001797e708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 10.272850][ T200] RBP: 00007ffe8a9e2ad0 R08: 0000000000000000 R09: 000000001797f3e0 [ 10.272851][ T200] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffe8a9e2c08 [ 10.272852][ T200] R13: 00007ffe8a9e2c90 R14: 0000000000000000 R15: 000000000054d560 [ 10.272858][ T200]