[ 9.808872][ T200] ip (200) used greatest stack depth: 24128 bytes left [ 9.808888][ T200] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.808890][ T200] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 200, name: ip [ 9.808892][ T200] preempt_count: 2, expected: 0 [ 9.808893][ T200] RCU nest depth: 0, expected: 0 [ 9.808893][ T200] locks held by ip/200: 5, last CPU#3: [ 9.808895][ T200] #0: ffffffffba4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.808908][ T200] #1: ffffffffba57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.808912][ T200] #2: ffffffffba57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.808917][ T200] #3: ffffffffba49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.808920][ T200] #4: ffffffffba49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.808924][ T200] irq event stamp: 39412 [ 9.808925][ T200] hardirqs last enabled at (39411): [] __down_trylock_console_sem+0x86/0xa0 [ 9.808928][ T200] hardirqs last disabled at (39412): [] console_emit_next_record+0x3d4/0x4c0 [ 9.808930][ T200] softirqs last enabled at (37964): [] handle_softirqs+0x67c/0x900 [ 9.808932][ T200] softirqs last disabled at (37805): [] __irq_exit_rcu+0x145/0x1c0 [ 9.808935][ T200] Preemption disabled at: [ 9.808935][ T200] [<0000000000000000>] 0x0 [ 9.808942][ T200] CPU: 3 UID: 0 PID: 200 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.808946][ T200] Tainted: [W]=WARN [ 9.808947][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.808949][ T200] Call Trace: [ 9.808950][ T200] [ 9.808952][ T200] dump_stack_lvl+0x6f/0xa0 [ 9.808958][ T200] __might_resched.cold+0x1fe/0x2c1 [ 9.808963][ T200] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.808967][ T200] ? __kmalloc_noprof+0xdb/0x760 [ 9.808971][ T200] __kmalloc_noprof+0x443/0x760 [ 9.808973][ T200] ? alloc_buf.isra.0+0x4b/0x260 [ 9.808980][ T200] ? do_raw_spin_unlock+0x59/0x250 [ 9.808983][ T200] alloc_buf.isra.0+0x4b/0x260 [ 9.808986][ T200] put_chars+0x1e1/0x2f0 [ 9.808989][ T200] ? __send_to_port+0x420/0x420 [ 9.808990][ T200] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.808994][ T200] ? validate_chain+0x38b/0xc20 [ 9.808999][ T200] hvc_console_print+0x292/0x780 [ 9.809007][ T200] ? hvc_write+0x3a0/0x3a0 [ 9.809010][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.809011][ T200] ? lock_acquire+0x13c/0x160 [ 9.809015][ T200] console_emit_next_record+0x22f/0x4c0 [ 9.809019][ T200] ? devkmsg_read+0x4b0/0x4b0 [ 9.809021][ T200] ? console_flush_one_record+0x106/0x710 [ 9.809025][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.809026][ T200] ? lock_acquire+0x13c/0x160 [ 9.809030][ T200] console_flush_one_record+0x46f/0x710 [ 9.809034][ T200] ? console_emit_next_record+0x4c0/0x4c0 [ 9.809036][ T200] ? __lock_acquire+0x518/0xc20 [ 9.809041][ T200] console_unlock+0xee/0x1f0 [ 9.809044][ T200] ? console_flush_one_record+0x710/0x710 [ 9.809046][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.809048][ T200] ? lock_acquire+0xe0/0x160 [ 9.809051][ T200] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.809053][ T200] ? vprintk_emit+0x320/0x3e0 [ 9.809056][ T200] vprintk_emit+0x37c/0x3e0 [ 9.809059][ T200] ? wake_up_klogd_work_func+0x90/0x90 [ 9.809062][ T200] ? __lock_acquire+0x518/0xc20 [ 9.809066][ T200] _printk+0xc7/0x100 [ 9.809070][ T200] ? snapshot_read.cold+0x21/0x21 [ 9.809072][ T200] ? do_raw_spin_lock+0x131/0x280 [ 9.809075][ T200] ? __rwlock_init+0x150/0x150 [ 9.809079][ T200] ? do_raw_spin_lock+0x131/0x280 [ 9.809082][ T200] do_exit.cold+0x82/0x9c [ 9.809085][ T200] ? exit_notify+0x890/0x890 [ 9.809087][ T200] ? __lock_release.isra.0+0x69/0x1a0 [ 9.809089][ T200] ? rcu_is_watching+0x16/0xd0 [ 9.809093][ T200] do_group_exit+0xb8/0x370 [ 9.809096][ T200] __x64_sys_exit_group+0x3c/0x50 [ 9.809098][ T200] x64_sys_call+0x1567/0x1570 [ 9.809100][ T200] do_syscall_64+0xff/0x530 [ 9.809104][ T200] ? exc_page_fault+0xee/0x100 [ 9.809107][ T200] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.809110][ T200] RIP: 0033:0x7f1e5f9f91b8 [ 9.809112][ T200] Code: Unable to access opcode bytes at 0x7f1e5f9f918e. [ 9.809113][ T200] RSP: 002b:00007ffea6b7bd88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.809115][ T200] RAX: ffffffffffffffda RBX: 00007f1e5fb29f88 RCX: 00007f1e5f9f91b8 [ 9.809117][ T200] RDX: 00007f1e5f743fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.809118][ T200] RBP: 00007ffea6b7bde0 R08: 0000000000000000 R09: 0000000000000000 [ 9.809118][ T200] R10: 00007ffea6b7bba0 R11: 0000000000000246 R12: 0000000000000001 [ 9.809119][ T200] R13: 0000000000000000 R14: 00007f1e5fb28680 R15: 00007f1e5fb29fa0 [ 9.809126][ T200] [ 9.908770][ T203] ip (203) used greatest stack depth: 24064 bytes left [ 24.451056][ T382] netperf (382) used greatest stack depth: 24032 bytes left [ 24.451079][ T382] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 24.451082][ T382] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 382, name: netperf [ 24.451084][ T382] preempt_count: 2, expected: 0 [ 24.451085][ T382] RCU nest depth: 0, expected: 0 [ 24.451086][ T382] locks held by netperf/382: 5, last CPU#3: [ 24.451089][ T382] #0: ffffffffba4167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 24.451102][ T382] #1: ffffffffba57ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 24.451109][ T382] #2: ffffffffba57de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 24.451114][ T382] #3: ffffffffba49d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 24.451119][ T382] #4: ffffffffba49d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 24.451125][ T382] irq event stamp: 828114 [ 24.451126][ T382] hardirqs last enabled at (828113): [] __down_trylock_console_sem+0x86/0xa0 [ 24.451130][ T382] hardirqs last disabled at (828114): [] console_emit_next_record+0x3d4/0x4c0 [ 24.451133][ T382] softirqs last enabled at (827898): [] handle_softirqs+0x67c/0x900 [ 24.451136][ T382] softirqs last disabled at (827147): [] __irq_exit_rcu+0x145/0x1c0 [ 24.451139][ T382] Preemption disabled at: [ 24.451140][ T382] [<0000000000000000>] 0x0 [ 24.451148][ T382] CPU: 3 UID: 0 PID: 382 Comm: netperf Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 24.451152][ T382] Tainted: [W]=WARN [ 24.451153][ T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.451155][ T382] Call Trace: [ 24.451157][ T382] [ 24.451159][ T382] dump_stack_lvl+0x6f/0xa0 [ 24.451167][ T382] __might_resched.cold+0x1fe/0x2c1 [ 24.451173][ T382] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 24.451178][ T382] ? __kmalloc_noprof+0xdb/0x760 [ 24.451184][ T382] __kmalloc_noprof+0x443/0x760 [ 24.451187][ T382] ? alloc_buf.isra.0+0x4b/0x260 [ 24.451196][ T382] ? do_raw_spin_unlock+0x59/0x250 [ 24.451199][ T382] alloc_buf.isra.0+0x4b/0x260 [ 24.451204][ T382] put_chars+0x1e1/0x2f0 [ 24.451208][ T382] ? __send_to_port+0x420/0x420 [ 24.451209][ T382] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 24.451214][ T382] ? validate_chain+0x38b/0xc20 [ 24.451223][ T382] hvc_console_print+0x292/0x780 [ 24.451233][ T382] ? hvc_write+0x3a0/0x3a0 [ 24.451237][ T382] ? rcu_is_watching+0x16/0xd0 [ 24.451240][ T382] ? lock_acquire+0x13c/0x160 [ 24.451248][ T382] console_emit_next_record+0x22f/0x4c0 [ 24.451254][ T382] ? devkmsg_read+0x4b0/0x4b0 [ 24.451256][ T382] ? console_flush_one_record+0x106/0x710 [ 24.451261][ T382] ? rcu_is_watching+0x16/0xd0 [ 24.451264][ T382] ? lock_acquire+0x13c/0x160 [ 24.451270][ T382] console_flush_one_record+0x46f/0x710 [ 24.451276][ T382] ? console_emit_next_record+0x4c0/0x4c0 [ 24.451278][ T382] ? __lock_acquire+0x518/0xc20 [ 24.451286][ T382] console_unlock+0xee/0x1f0 [ 24.451290][ T382] ? console_flush_one_record+0x710/0x710 [ 24.451292][ T382] ? rcu_is_watching+0x16/0xd0 [ 24.451295][ T382] ? lock_acquire+0xe0/0x160 [ 24.451301][ T382] ? __down_trylock_console_sem+0x5e/0xa0 [ 24.451303][ T382] ? vprintk_emit+0x320/0x3e0 [ 24.451307][ T382] vprintk_emit+0x37c/0x3e0 [ 24.451312][ T382] ? wake_up_klogd_work_func+0x90/0x90 [ 24.451313][ T382] ? do_raw_spin_unlock+0x59/0x250 [ 24.451318][ T382] ? __lock_acquire+0x518/0xc20 [ 24.451323][ T382] _printk+0xc7/0x100 [ 24.451328][ T382] ? snapshot_read.cold+0x21/0x21 [ 24.451332][ T382] ? do_raw_spin_lock+0x131/0x280 [ 24.451335][ T382] ? __rwlock_init+0x150/0x150 [ 24.451341][ T382] ? do_raw_spin_lock+0x131/0x280 [ 24.451345][ T382] do_exit.cold+0x82/0x9c [ 24.451350][ T382] ? exit_notify+0x890/0x890 [ 24.451351][ T382] ? __lock_release.isra.0+0x69/0x1a0 [ 24.451355][ T382] ? rcu_is_watching+0x16/0xd0 [ 24.451361][ T382] do_group_exit+0xb8/0x370 [ 24.451365][ T382] __x64_sys_exit_group+0x3c/0x50 [ 24.451368][ T382] x64_sys_call+0x1567/0x1570 [ 24.451371][ T382] do_syscall_64+0xff/0x530 [ 24.451376][ T382] ? exc_page_fault+0xee/0x100 [ 24.451379][ T382] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.451382][ T382] RIP: 0033:0x7f39b3ef31b8 [ 24.451385][ T382] Code: Unable to access opcode bytes at 0x7f39b3ef318e. [ 24.451387][ T382] RSP: 002b:00007ffc3fd07ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 24.451390][ T382] RAX: ffffffffffffffda RBX: 00007f39b4023f88 RCX: 00007f39b3ef31b8 [ 24.451391][ T382] RDX: 00007f39b3e32408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 24.451393][ T382] RBP: 00007ffc3fd07d00 R08: 0000000000000000 R09: 0000000000000000 [ 24.451394][ T382] R10: 00007ffc3fd07b20 R11: 0000000000000246 R12: 0000000000000001 [ 24.451395][ T382] R13: 0000000000000000 R14: 00007f39b4022680 R15: 00007f39b4023fa0 [ 24.451406][ T382]