[ 11.434657][ T175] python3 (175) used greatest stack depth: 24744 bytes left [ 11.434681][ T175] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 11.434684][ T175] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 175, name: python3 [ 11.434686][ T175] preempt_count: 2, expected: 0 [ 11.434688][ T175] RCU nest depth: 0, expected: 0 [ 11.434689][ T175] locks held by python3/175: 5, last CPU#3: [ 11.434692][ T175] #0: ffffffffaf2027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 11.434707][ T175] #1: ffffffffaf369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 11.434714][ T175] #2: ffffffffaf369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 11.434720][ T175] #3: ffffffffaf289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 11.434725][ T175] #4: ffffffffaf289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 11.434731][ T175] irq event stamp: 139588 [ 11.434732][ T175] hardirqs last enabled at (139587): [] __down_trylock_console_sem+0x86/0xa0 [ 11.434736][ T175] hardirqs last disabled at (139588): [] console_emit_next_record+0x3d4/0x4c0 [ 11.434739][ T175] softirqs last enabled at (132928): [] handle_softirqs+0x67c/0x900 [ 11.434742][ T175] softirqs last disabled at (132919): [] __irq_exit_rcu+0x145/0x1c0 [ 11.434745][ T175] Preemption disabled at: [ 11.434746][ T175] [<0000000000000000>] 0x0 [ 11.434755][ T175] CPU: 3 UID: 0 PID: 175 Comm: python3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 11.434760][ T175] Tainted: [W]=WARN [ 11.434761][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.434763][ T175] Call Trace: [ 11.434765][ T175] [ 11.434767][ T175] dump_stack_lvl+0x6f/0xa0 [ 11.434774][ T175] __might_resched.cold+0x1fe/0x2c1 [ 11.434780][ T175] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 11.434785][ T175] ? __kmalloc_noprof+0xdb/0x760 [ 11.434793][ T175] __kmalloc_noprof+0x443/0x760 [ 11.434796][ T175] ? alloc_buf.isra.0+0x4b/0x260 [ 11.434806][ T175] ? do_raw_spin_unlock+0x59/0x250 [ 11.434810][ T175] alloc_buf.isra.0+0x4b/0x260 [ 11.434815][ T175] put_chars+0x1e1/0x2f0 [ 11.434820][ T175] ? __send_to_port+0x420/0x420 [ 11.434823][ T175] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 11.434829][ T175] ? validate_chain+0x38b/0xc20 [ 11.434838][ T175] hvc_console_print+0x292/0x780 [ 11.434849][ T175] ? hvc_write+0x3a0/0x3a0 [ 11.434853][ T175] ? rcu_is_watching+0x16/0xd0 [ 11.434857][ T175] ? lock_acquire+0x13c/0x160 [ 11.434864][ T175] console_emit_next_record+0x22f/0x4c0 [ 11.434870][ T175] ? devkmsg_read+0x4b0/0x4b0 [ 11.434872][ T175] ? console_flush_one_record+0x106/0x710 [ 11.434877][ T175] ? rcu_is_watching+0x16/0xd0 [ 11.434880][ T175] ? lock_acquire+0x13c/0x160 [ 11.434887][ T175] console_flush_one_record+0x46f/0x710 [ 11.434893][ T175] ? console_emit_next_record+0x4c0/0x4c0 [ 11.434896][ T175] ? __lock_acquire+0x518/0xc20 [ 11.434905][ T175] console_unlock+0xee/0x1f0 [ 11.434909][ T175] ? console_flush_one_record+0x710/0x710 [ 11.434911][ T175] ? rcu_is_watching+0x16/0xd0 [ 11.434915][ T175] ? lock_acquire+0x60/0x160 [ 11.434921][ T175] ? __down_trylock_console_sem+0x5e/0xa0 [ 11.434924][ T175] ? vprintk_emit+0x320/0x3e0 [ 11.434929][ T175] vprintk_emit+0x37c/0x3e0 [ 11.434935][ T175] ? wake_up_klogd_work_func+0x90/0x90 [ 11.434940][ T175] ? __lock_acquire+0x518/0xc20 [ 11.434946][ T175] _printk+0xc7/0x100 [ 11.434951][ T175] ? snapshot_read.cold+0x21/0x21 [ 11.434956][ T175] ? do_raw_spin_lock+0x131/0x280 [ 11.434960][ T175] ? __rwlock_init+0x150/0x150 [ 11.434967][ T175] ? do_raw_spin_lock+0x131/0x280 [ 11.434972][ T175] do_exit.cold+0x82/0x9c [ 11.434977][ T175] ? exit_notify+0x890/0x890 [ 11.434979][ T175] ? __lock_release.isra.0+0x69/0x1a0 [ 11.434984][ T175] ? rcu_is_watching+0x16/0xd0 [ 11.434991][ T175] do_group_exit+0xb8/0x370 [ 11.434996][ T175] __x64_sys_exit_group+0x3c/0x50 [ 11.434999][ T175] x64_sys_call+0x1567/0x1570 [ 11.435003][ T175] do_syscall_64+0xff/0x530 [ 11.435008][ T175] ? exc_page_fault+0xee/0x100 [ 11.435013][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 11.435016][ T175] RIP: 0033:0x7fa8634ce1b8 [ 11.435019][ T175] Code: Unable to access opcode bytes at 0x7fa8634ce18e. [ 11.435021][ T175] RSP: 002b:00007ffe19341528 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.435024][ T175] RAX: ffffffffffffffda RBX: 00007fa8635fef88 RCX: 00007fa8634ce1b8 [ 11.435026][ T175] RDX: 00007fa8632f6708 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 11.435028][ T175] RBP: 00007ffe19341580 R08: 0000000000000000 R09: 0000000000000001 [ 11.435029][ T175] R10: 00007fa8639b83f5 R11: 0000000000000246 R12: 0000000000000002 [ 11.435031][ T175] R13: 0000000000000000 R14: 00007fa8635fd680 R15: 00007fa8635fefa0 [ 11.435044][ T175] [ 12.925850][ T206] packetdrill (206) used greatest stack depth: 24280 bytes left [ 12.925870][ T206] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.925873][ T206] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 206, name: packetdrill [ 12.925875][ T206] preempt_count: 2, expected: 0 [ 12.925876][ T206] RCU nest depth: 0, expected: 0 [ 12.925877][ T206] locks held by packetdrill/206: 5, last CPU#0: [ 12.925879][ T206] #0: ffffffffaf2027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 12.925892][ T206] #1: ffffffffaf369cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.925897][ T206] #2: ffffffffaf369d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.925900][ T206] #3: ffffffffaf289660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.925904][ T206] #4: ffffffffaf289560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.925907][ T206] irq event stamp: 4133912 [ 12.925908][ T206] hardirqs last enabled at (4133911): [] __down_trylock_console_sem+0x86/0xa0 [ 12.925912][ T206] hardirqs last disabled at (4133912): [] console_emit_next_record+0x3d4/0x4c0 [ 12.925914][ T206] softirqs last enabled at (4126634): [] handle_softirqs+0x67c/0x900 [ 12.925916][ T206] softirqs last disabled at (4126487): [] __irq_exit_rcu+0x145/0x1c0 [ 12.925919][ T206] Preemption disabled at: [ 12.925920][ T206] [<0000000000000000>] 0x0 [ 12.925927][ T206] CPU: 0 UID: 0 PID: 206 Comm: packetdrill Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.925931][ T206] Tainted: [W]=WARN [ 12.925932][ T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.925933][ T206] Call Trace: [ 12.925935][ T206] [ 12.925936][ T206] dump_stack_lvl+0x6f/0xa0 [ 12.925942][ T206] __might_resched.cold+0x1fe/0x2c1 [ 12.925946][ T206] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.925950][ T206] ? __kmalloc_noprof+0xdb/0x760 [ 12.925955][ T206] __kmalloc_noprof+0x443/0x760 [ 12.925958][ T206] ? alloc_buf.isra.0+0x4b/0x260 [ 12.925964][ T206] ? do_raw_spin_unlock+0x59/0x250 [ 12.925967][ T206] alloc_buf.isra.0+0x4b/0x260 [ 12.925970][ T206] put_chars+0x1e1/0x2f0 [ 12.925973][ T206] ? __send_to_port+0x420/0x420 [ 12.925975][ T206] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.925979][ T206] ? validate_chain+0x38b/0xc20 [ 12.925984][ T206] hvc_console_print+0x292/0x780 [ 12.925991][ T206] ? hvc_write+0x3a0/0x3a0 [ 12.925994][ T206] ? rcu_is_watching+0x16/0xd0 [ 12.925996][ T206] ? lock_acquire+0x13c/0x160 [ 12.926000][ T206] console_emit_next_record+0x22f/0x4c0 [ 12.926003][ T206] ? devkmsg_read+0x4b0/0x4b0 [ 12.926005][ T206] ? console_flush_one_record+0x106/0x710 [ 12.926007][ T206] ? rcu_is_watching+0x16/0xd0 [ 12.926009][ T206] ? lock_acquire+0x13c/0x160 [ 12.926013][ T206] console_flush_one_record+0x46f/0x710 [ 12.926017][ T206] ? console_emit_next_record+0x4c0/0x4c0 [ 12.926018][ T206] ? __lock_acquire+0x518/0xc20 [ 12.926024][ T206] console_unlock+0xee/0x1f0 [ 12.926026][ T206] ? console_flush_one_record+0x710/0x710 [ 12.926027][ T206] ? rcu_is_watching+0x16/0xd0 [ 12.926029][ T206] ? lock_acquire+0x60/0x160 [ 12.926033][ T206] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.926035][ T206] ? vprintk_emit+0x320/0x3e0 [ 12.926038][ T206] vprintk_emit+0x37c/0x3e0 [ 12.926041][ T206] ? wake_up_klogd_work_func+0x90/0x90 [ 12.926044][ T206] ? __lock_acquire+0x518/0xc20 [ 12.926048][ T206] _printk+0xc7/0x100 [ 12.926052][ T206] ? snapshot_read.cold+0x21/0x21 [ 12.926055][ T206] ? do_raw_spin_lock+0x131/0x280 [ 12.926057][ T206] ? __rwlock_init+0x150/0x150 [ 12.926061][ T206] ? do_raw_spin_lock+0x131/0x280 [ 12.926064][ T206] do_exit.cold+0x82/0x9c [ 12.926068][ T206] ? exit_notify+0x890/0x890 [ 12.926070][ T206] ? __lock_release.isra.0+0x69/0x1a0 [ 12.926073][ T206] ? rcu_is_watching+0x16/0xd0 [ 12.926076][ T206] do_group_exit+0xb8/0x370 [ 12.926079][ T206] __x64_sys_exit_group+0x3c/0x50 [ 12.926081][ T206] x64_sys_call+0x1567/0x1570 [ 12.926084][ T206] do_syscall_64+0xff/0x530 [ 12.926088][ T206] ? irq_exit_rcu+0x1a/0x30 [ 12.926091][ T206] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 12.926093][ T206] RIP: 0033:0x479678 [ 12.926096][ T206] Code: Unable to access opcode bytes at 0x47964e. [ 12.926097][ T206] RSP: 002b:00007ffcbdc86d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.926099][ T206] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000479678 [ 12.926101][ T206] RDX: 000000000473b708 RSI: fffffffffffffff0 RDI: 0000000000000000 [ 12.926102][ T206] RBP: 00007ffcbdc86d80 R08: 0000000000000000 R09: 000000000473c3e0 [ 12.926102][ T206] R10: 0000000000000110 R11: 0000000000000246 R12: 00007ffcbdc86eb8 [ 12.926103][ T206] R13: 00007ffcbdc86f40 R14: 0000000000000000 R15: 000000000054d560 [ 12.926110][ T206]