[ 9.502338][ T201] ip (201) used greatest stack depth: 24160 bytes left [ 9.502353][ T201] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.502354][ T201] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 201, name: ip [ 9.502356][ T201] preempt_count: 2, expected: 0 [ 9.502356][ T201] RCU nest depth: 0, expected: 0 [ 9.502357][ T201] locks held by ip/201: 5, last CPU#3: [ 9.502359][ T201] #0: ffffffffb06167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.502370][ T201] #1: ffffffffb077ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.502375][ T201] #2: ffffffffb077de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.502379][ T201] #3: ffffffffb069d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.502383][ T201] #4: ffffffffb069d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.502387][ T201] irq event stamp: 34678 [ 9.502388][ T201] hardirqs last enabled at (34677): [] __down_trylock_console_sem+0x86/0xa0 [ 9.502391][ T201] hardirqs last disabled at (34678): [] console_emit_next_record+0x3d4/0x4c0 [ 9.502393][ T201] softirqs last enabled at (33082): [] netlink_release+0x17b/0xcf0 [ 9.502397][ T201] softirqs last disabled at (33080): [] netlink_release+0xd2/0xcf0 [ 9.502399][ T201] Preemption disabled at: [ 9.502400][ T201] [<0000000000000000>] 0x0 [ 9.502407][ T201] CPU: 3 UID: 0 PID: 201 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.502410][ T201] Tainted: [W]=WARN [ 9.502411][ T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.502412][ T201] Call Trace: [ 9.502414][ T201] [ 9.502415][ T201] dump_stack_lvl+0x6f/0xa0 [ 9.502421][ T201] __might_resched.cold+0x1fe/0x2c1 [ 9.502426][ T201] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.502430][ T201] ? __kmalloc_noprof+0xdb/0x760 [ 9.502434][ T201] __kmalloc_noprof+0x443/0x760 [ 9.502436][ T201] ? alloc_buf.isra.0+0x4b/0x260 [ 9.502443][ T201] ? do_raw_spin_unlock+0x59/0x250 [ 9.502445][ T201] alloc_buf.isra.0+0x4b/0x260 [ 9.502449][ T201] put_chars+0x1e1/0x2f0 [ 9.502451][ T201] ? __send_to_port+0x420/0x420 [ 9.502453][ T201] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.502456][ T201] ? validate_chain+0x38b/0xc20 [ 9.502462][ T201] hvc_console_print+0x292/0x780 [ 9.502469][ T201] ? hvc_write+0x3a0/0x3a0 [ 9.502471][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.502473][ T201] ? lock_acquire+0x13c/0x160 [ 9.502477][ T201] console_emit_next_record+0x22f/0x4c0 [ 9.502483][ T201] ? devkmsg_read+0x4b0/0x4b0 [ 9.502485][ T201] ? console_flush_one_record+0x106/0x710 [ 9.502488][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.502490][ T201] ? lock_acquire+0x13c/0x160 [ 9.502494][ T201] console_flush_one_record+0x46f/0x710 [ 9.502498][ T201] ? console_emit_next_record+0x4c0/0x4c0 [ 9.502500][ T201] ? __lock_acquire+0x518/0xc20 [ 9.502505][ T201] console_unlock+0xee/0x1f0 [ 9.502508][ T201] ? console_flush_one_record+0x710/0x710 [ 9.502510][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.502511][ T201] ? lock_acquire+0xe0/0x160 [ 9.502515][ T201] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.502516][ T201] ? vprintk_emit+0x320/0x3e0 [ 9.502519][ T201] vprintk_emit+0x37c/0x3e0 [ 9.502522][ T201] ? wake_up_klogd_work_func+0x90/0x90 [ 9.502525][ T201] ? __lock_acquire+0x518/0xc20 [ 9.502529][ T201] _printk+0xc7/0x100 [ 9.502532][ T201] ? snapshot_read.cold+0x21/0x21 [ 9.502534][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.502537][ T201] ? __rwlock_init+0x150/0x150 [ 9.502541][ T201] ? do_raw_spin_lock+0x131/0x280 [ 9.502544][ T201] do_exit.cold+0x82/0x9c [ 9.502547][ T201] ? exit_notify+0x890/0x890 [ 9.502549][ T201] ? __lock_release.isra.0+0x69/0x1a0 [ 9.502551][ T201] ? rcu_is_watching+0x16/0xd0 [ 9.502555][ T201] do_group_exit+0xb8/0x370 [ 9.502557][ T201] __x64_sys_exit_group+0x3c/0x50 [ 9.502559][ T201] x64_sys_call+0x1567/0x1570 [ 9.502562][ T201] do_syscall_64+0xff/0x530 [ 9.502566][ T201] ? exc_page_fault+0xee/0x100 [ 9.502569][ T201] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.502571][ T201] RIP: 0033:0x7f224030f1b8 [ 9.502573][ T201] Code: Unable to access opcode bytes at 0x7f224030f18e. [ 9.502574][ T201] RSP: 002b:00007ffc6318ff18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.502576][ T201] RAX: ffffffffffffffda RBX: 00007f224043ff88 RCX: 00007f224030f1b8 [ 9.502577][ T201] RDX: 00007f2240059fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.502578][ T201] RBP: 00007ffc6318ff70 R08: 0000000000000000 R09: 0000000000000000 [ 9.502579][ T201] R10: 00007ffc6318fd30 R11: 0000000000000246 R12: 0000000000000001 [ 9.502580][ T201] R13: 0000000000000000 R14: 00007f224043e680 R15: 00007f224043ffa0 [ 9.502586][ T201] [ 23.124296][ T382] netperf (382) used greatest stack depth: 24144 bytes left [ 23.124316][ T382] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 23.124318][ T382] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 382, name: netperf [ 23.124319][ T382] preempt_count: 2, expected: 0 [ 23.124320][ T382] RCU nest depth: 0, expected: 0 [ 23.124321][ T382] locks held by netperf/382: 5, last CPU#2: [ 23.124323][ T382] #0: ffffffffb06167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 23.124334][ T382] #1: ffffffffb077ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 23.124339][ T382] #2: ffffffffb077de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 23.124344][ T382] #3: ffffffffb069d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 23.124347][ T382] #4: ffffffffb069d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 23.124351][ T382] irq event stamp: 866348 [ 23.124352][ T382] hardirqs last enabled at (866347): [] __down_trylock_console_sem+0x86/0xa0 [ 23.124356][ T382] hardirqs last disabled at (866348): [] console_emit_next_record+0x3d4/0x4c0 [ 23.124358][ T382] softirqs last enabled at (865334): [] tcp_close+0x2b/0xb0 [ 23.124367][ T382] softirqs last disabled at (865332): [] release_sock+0x21/0x240 [ 23.124371][ T382] Preemption disabled at: [ 23.124372][ T382] [<0000000000000000>] 0x0 [ 23.124379][ T382] CPU: 2 UID: 0 PID: 382 Comm: netperf Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 23.124383][ T382] Tainted: [W]=WARN [ 23.124384][ T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.124385][ T382] Call Trace: [ 23.124387][ T382] [ 23.124389][ T382] dump_stack_lvl+0x6f/0xa0 [ 23.124395][ T382] __might_resched.cold+0x1fe/0x2c1 [ 23.124400][ T382] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 23.124404][ T382] ? __kmalloc_noprof+0xdb/0x760 [ 23.124408][ T382] __kmalloc_noprof+0x443/0x760 [ 23.124410][ T382] ? alloc_buf.isra.0+0x4b/0x260 [ 23.124417][ T382] ? do_raw_spin_unlock+0x59/0x250 [ 23.124419][ T382] alloc_buf.isra.0+0x4b/0x260 [ 23.124423][ T382] put_chars+0x1e1/0x2f0 [ 23.124425][ T382] ? __send_to_port+0x420/0x420 [ 23.124426][ T382] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 23.124430][ T382] ? validate_chain+0x38b/0xc20 [ 23.124435][ T382] hvc_console_print+0x292/0x780 [ 23.124443][ T382] ? hvc_write+0x3a0/0x3a0 [ 23.124445][ T382] ? rcu_is_watching+0x16/0xd0 [ 23.124447][ T382] ? lock_acquire+0x13c/0x160 [ 23.124451][ T382] console_emit_next_record+0x22f/0x4c0 [ 23.124455][ T382] ? devkmsg_read+0x4b0/0x4b0 [ 23.124457][ T382] ? console_flush_one_record+0x106/0x710 [ 23.124460][ T382] ? rcu_is_watching+0x16/0xd0 [ 23.124462][ T382] ? lock_acquire+0x13c/0x160 [ 23.124465][ T382] console_flush_one_record+0x46f/0x710 [ 23.124470][ T382] ? console_emit_next_record+0x4c0/0x4c0 [ 23.124471][ T382] ? __lock_acquire+0x518/0xc20 [ 23.124477][ T382] console_unlock+0xee/0x1f0 [ 23.124482][ T382] ? console_flush_one_record+0x710/0x710 [ 23.124483][ T382] ? rcu_is_watching+0x16/0xd0 [ 23.124485][ T382] ? lock_acquire+0xe0/0x160 [ 23.124489][ T382] ? __down_trylock_console_sem+0x5e/0xa0 [ 23.124490][ T382] ? vprintk_emit+0x320/0x3e0 [ 23.124493][ T382] vprintk_emit+0x37c/0x3e0 [ 23.124496][ T382] ? wake_up_klogd_work_func+0x90/0x90 [ 23.124498][ T382] ? do_raw_spin_unlock+0x59/0x250 [ 23.124501][ T382] ? __lock_acquire+0x518/0xc20 [ 23.124504][ T382] _printk+0xc7/0x100 [ 23.124508][ T382] ? snapshot_read.cold+0x21/0x21 [ 23.124510][ T382] ? do_raw_spin_lock+0x131/0x280 [ 23.124513][ T382] ? __rwlock_init+0x150/0x150 [ 23.124516][ T382] ? do_raw_spin_lock+0x131/0x280 [ 23.124519][ T382] do_exit.cold+0x82/0x9c [ 23.124523][ T382] ? exit_notify+0x890/0x890 [ 23.124524][ T382] ? __lock_release.isra.0+0x69/0x1a0 [ 23.124527][ T382] ? rcu_is_watching+0x16/0xd0 [ 23.124531][ T382] do_group_exit+0xb8/0x370 [ 23.124533][ T382] __x64_sys_exit_group+0x3c/0x50 [ 23.124535][ T382] x64_sys_call+0x1567/0x1570 [ 23.124538][ T382] do_syscall_64+0xff/0x530 [ 23.124541][ T382] ? exc_page_fault+0xee/0x100 [ 23.124544][ T382] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.124546][ T382] RIP: 0033:0x7ffa36cdd1b8 [ 23.124549][ T382] Code: Unable to access opcode bytes at 0x7ffa36cdd18e. [ 23.124550][ T382] RSP: 002b:00007ffc559942f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 23.124553][ T382] RAX: ffffffffffffffda RBX: 00007ffa36e0df88 RCX: 00007ffa36cdd1b8 [ 23.124554][ T382] RDX: 00007ffa36c1c408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 23.124555][ T382] RBP: 00007ffc55994350 R08: 0000000000000000 R09: 0000000000000000 [ 23.124556][ T382] R10: 00007ffc55994170 R11: 0000000000000246 R12: 0000000000000001 [ 23.124556][ T382] R13: 0000000000000000 R14: 00007ffa36e0c680 R15: 00007ffa36e0dfa0 [ 23.124563][ T382]