[ 8.900250][ T173] ip (173) used greatest stack depth: 24024 bytes left [ 8.900266][ T173] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.900268][ T173] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 173, name: ip [ 8.900270][ T173] preempt_count: 2, expected: 0 [ 8.900270][ T173] RCU nest depth: 0, expected: 0 [ 8.900271][ T173] locks held by ip/173: 5, last CPU#2: [ 8.900274][ T173] #0: ffffffffa0a127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.900285][ T173] #1: ffffffffa0b79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.900291][ T173] #2: ffffffffa0b79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.900295][ T173] #3: ffffffffa0a99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.900298][ T173] #4: ffffffffa0a99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 8.900302][ T173] irq event stamp: 36912 [ 8.900302][ T173] hardirqs last enabled at (36911): [] __down_trylock_console_sem+0x86/0xa0 [ 8.900305][ T173] hardirqs last disabled at (36912): [] console_emit_next_record+0x3d4/0x4c0 [ 8.900307][ T173] softirqs last enabled at (35342): [] netlink_release+0x17b/0xcf0 [ 8.900311][ T173] softirqs last disabled at (35340): [] netlink_release+0xd2/0xcf0 [ 8.900313][ T173] Preemption disabled at: [ 8.900314][ T173] [<0000000000000000>] 0x0 [ 8.900321][ T173] CPU: 2 UID: 0 PID: 173 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.900324][ T173] Tainted: [W]=WARN [ 8.900325][ T173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.900326][ T173] Call Trace: [ 8.900328][ T173] [ 8.900329][ T173] dump_stack_lvl+0x6f/0xa0 [ 8.900335][ T173] __might_resched.cold+0x1fe/0x2c1 [ 8.900340][ T173] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.900344][ T173] ? __kmalloc_noprof+0xdb/0x760 [ 8.900349][ T173] __kmalloc_noprof+0x443/0x760 [ 8.900351][ T173] ? alloc_buf.isra.0+0x4b/0x260 [ 8.900357][ T173] ? do_raw_spin_unlock+0x59/0x250 [ 8.900359][ T173] alloc_buf.isra.0+0x4b/0x260 [ 8.900363][ T173] put_chars+0x1e1/0x2f0 [ 8.900365][ T173] ? __send_to_port+0x420/0x420 [ 8.900367][ T173] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 8.900372][ T173] ? validate_chain+0x38b/0xc20 [ 8.900377][ T173] hvc_console_print+0x292/0x780 [ 8.900383][ T173] ? hvc_write+0x3a0/0x3a0 [ 8.900385][ T173] ? rcu_is_watching+0x16/0xd0 [ 8.900388][ T173] ? lock_acquire+0x13c/0x160 [ 8.900392][ T173] console_emit_next_record+0x22f/0x4c0 [ 8.900396][ T173] ? devkmsg_read+0x4b0/0x4b0 [ 8.900397][ T173] ? console_flush_one_record+0x106/0x710 [ 8.900400][ T173] ? rcu_is_watching+0x16/0xd0 [ 8.900402][ T173] ? lock_acquire+0x13c/0x160 [ 8.900406][ T173] console_flush_one_record+0x46f/0x710 [ 8.900410][ T173] ? console_emit_next_record+0x4c0/0x4c0 [ 8.900412][ T173] ? __lock_acquire+0x518/0xc20 [ 8.900417][ T173] console_unlock+0xee/0x1f0 [ 8.900420][ T173] ? console_flush_one_record+0x710/0x710 [ 8.900421][ T173] ? rcu_is_watching+0x16/0xd0 [ 8.900424][ T173] ? lock_acquire+0x60/0x160 [ 8.900427][ T173] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.900429][ T173] ? vprintk_emit+0x320/0x3e0 [ 8.900432][ T173] vprintk_emit+0x37c/0x3e0 [ 8.900435][ T173] ? wake_up_klogd_work_func+0x90/0x90 [ 8.900439][ T173] ? __lock_acquire+0x518/0xc20 [ 8.900442][ T173] _printk+0xc7/0x100 [ 8.900446][ T173] ? snapshot_read.cold+0x21/0x21 [ 8.900448][ T173] ? do_raw_spin_lock+0x131/0x280 [ 8.900451][ T173] ? __rwlock_init+0x150/0x150 [ 8.900455][ T173] ? do_raw_spin_lock+0x131/0x280 [ 8.900457][ T173] do_exit.cold+0x82/0x9c [ 8.900461][ T173] ? exit_notify+0x890/0x890 [ 8.900462][ T173] ? __lock_release.isra.0+0x69/0x1a0 [ 8.900465][ T173] ? rcu_is_watching+0x16/0xd0 [ 8.900468][ T173] do_group_exit+0xb8/0x370 [ 8.900471][ T173] __x64_sys_exit_group+0x3c/0x50 [ 8.900473][ T173] x64_sys_call+0x1567/0x1570 [ 8.900476][ T173] do_syscall_64+0xff/0x530 [ 8.900479][ T173] ? exc_page_fault+0xee/0x100 [ 8.900482][ T173] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.900484][ T173] RIP: 0033:0x7fc7ecf471b8 [ 8.900486][ T173] Code: Unable to access opcode bytes at 0x7fc7ecf4718e. [ 8.900488][ T173] RSP: 002b:00007fff14713e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.900490][ T173] RAX: ffffffffffffffda RBX: 00007fc7ed077f88 RCX: 00007fc7ecf471b8 [ 8.900491][ T173] RDX: 00007fc7ecc91fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.900492][ T173] RBP: 00007fff14713eb0 R08: 0000000000000000 R09: 0000000000000050 [ 8.900493][ T173] R10: 00007fff14713c70 R11: 0000000000000246 R12: 0000000000000001 [ 8.900494][ T173] R13: 0000000000000000 R14: 00007fc7ed076680 R15: 00007fc7ed077fa0 [ 8.900500][ T173] [ 9.181896][ T181] PPP generic driver version 2.4.2 [ 9.192091][ T181] NET: Registered PF_PPPOX protocol family [ 17.149870][ T248] iperf3 (248) used greatest stack depth: 23328 bytes left [ 17.149890][ T248] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 17.149892][ T248] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 248, name: iperf3 [ 17.149894][ T248] preempt_count: 2, expected: 0 [ 17.149895][ T248] RCU nest depth: 0, expected: 0 [ 17.149896][ T248] locks held by iperf3/248: 5, last CPU#3: [ 17.149898][ T248] #0: ffffffffa0a127b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 17.149909][ T248] #1: ffffffffa0b79cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 17.149915][ T248] #2: ffffffffa0b79d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 17.149919][ T248] #3: ffffffffa0a99660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 17.149923][ T248] #4: ffffffffa0a99560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 17.149927][ T248] irq event stamp: 1623578 [ 17.149928][ T248] hardirqs last enabled at (1623577): [] __down_trylock_console_sem+0x86/0xa0 [ 17.149930][ T248] hardirqs last disabled at (1623578): [] console_emit_next_record+0x3d4/0x4c0 [ 17.149932][ T248] softirqs last enabled at (1623376): [] handle_softirqs+0x67c/0x900 [ 17.149934][ T248] softirqs last disabled at (1623371): [] __irq_exit_rcu+0x145/0x1c0 [ 17.149936][ T248] Preemption disabled at: [ 17.149937][ T248] [<0000000000000000>] 0x0 [ 17.149944][ T248] CPU: 3 UID: 0 PID: 248 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 17.149947][ T248] Tainted: [W]=WARN [ 17.149948][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.149949][ T248] Call Trace: [ 17.149951][ T248] [ 17.149953][ T248] dump_stack_lvl+0x6f/0xa0 [ 17.149959][ T248] __might_resched.cold+0x1fe/0x2c1 [ 17.149963][ T248] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 17.149967][ T248] ? __kmalloc_noprof+0xdb/0x760 [ 17.149972][ T248] __kmalloc_noprof+0x443/0x760 [ 17.149974][ T248] ? alloc_buf.isra.0+0x4b/0x260 [ 17.149980][ T248] ? do_raw_spin_unlock+0x59/0x250 [ 17.149983][ T248] alloc_buf.isra.0+0x4b/0x260 [ 17.149986][ T248] put_chars+0x1e1/0x2f0 [ 17.149988][ T248] ? prb_final_commit+0x50/0x50 [ 17.149990][ T248] ? __send_to_port+0x420/0x420 [ 17.149993][ T248] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 17.149997][ T248] ? rcu_read_lock_any_held+0x3c/0x90 [ 17.149999][ T248] ? validate_chain+0x38b/0xc20 [ 17.150003][ T248] hvc_console_print+0x292/0x780 [ 17.150006][ T248] ? mark_usage+0x61/0x170 [ 17.150008][ T248] ? __lock_acquire+0x518/0xc20 [ 17.150010][ T248] ? __lock_acquire+0x518/0xc20 [ 17.150013][ T248] ? hvc_write+0x3a0/0x3a0 [ 17.150015][ T248] ? console_emit_next_record+0x1df/0x4c0 [ 17.150018][ T248] ? rcu_is_watching+0x16/0xd0 [ 17.150021][ T248] ? lock_acquire+0x13c/0x160 [ 17.150025][ T248] console_emit_next_record+0x22f/0x4c0 [ 17.150028][ T248] ? devkmsg_read+0x4b0/0x4b0 [ 17.150030][ T248] ? console_flush_one_record+0x106/0x710 [ 17.150033][ T248] ? rcu_is_watching+0x16/0xd0 [ 17.150035][ T248] ? lock_acquire+0x13c/0x160 [ 17.150039][ T248] console_flush_one_record+0x46f/0x710 [ 17.150043][ T248] ? console_emit_next_record+0x4c0/0x4c0 [ 17.150045][ T248] ? __lock_acquire+0x518/0xc20 [ 17.150049][ T248] console_unlock+0xee/0x1f0 [ 17.150052][ T248] ? console_flush_one_record+0x710/0x710 [ 17.150054][ T248] ? rcu_is_watching+0x16/0xd0 [ 17.150056][ T248] ? lock_acquire+0x60/0x160 [ 17.150060][ T248] ? __down_trylock_console_sem+0x5e/0xa0 [ 17.150061][ T248] ? vprintk_emit+0x320/0x3e0 [ 17.150065][ T248] vprintk_emit+0x37c/0x3e0 [ 17.150068][ T248] ? wake_up_klogd_work_func+0x90/0x90 [ 17.150071][ T248] ? __lock_acquire+0x518/0xc20 [ 17.150075][ T248] _printk+0xc7/0x100 [ 17.150078][ T248] ? snapshot_read.cold+0x21/0x21 [ 17.150081][ T248] ? do_raw_spin_lock+0x131/0x280 [ 17.150084][ T248] ? __rwlock_init+0x150/0x150 [ 17.150087][ T248] ? do_raw_spin_lock+0x131/0x280 [ 17.150090][ T248] do_exit.cold+0x82/0x9c [ 17.150094][ T248] ? exit_notify+0x890/0x890 [ 17.150099][ T248] __x64_sys_exit+0x42/0x50 [ 17.150100][ T248] x64_sys_call+0x156c/0x1570 [ 17.150103][ T248] do_syscall_64+0xff/0x530 [ 17.150107][ T248] ? exc_page_fault+0xee/0x100 [ 17.150109][ T248] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 17.150112][ T248] RIP: 0033:0x7f92410adc49 [ 17.150114][ T248] Code: Unable to access opcode bytes at 0x7f92410adc1f. [ 17.150115][ T248] RSP: 002b:00007f924086ce60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 17.150118][ T248] RAX: ffffffffffffffda RBX: 00007f924086d6c0 RCX: 00007f92410adc49 [ 17.150119][ T248] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 17.150120][ T248] RBP: 00007f924086cf70 R08: 0000000000000001 R09: 00007f924086d6c0 [ 17.150120][ T248] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f924006d000 [ 17.150121][ T248] R13: 00007ffda1cd7310 R14: 0000000000000002 R15: 00007ffda1cd7417 [ 17.150128][ T248]