[ 22.676148][ T383] netperf (383) used greatest stack depth: 24208 bytes left [ 22.676168][ T383] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 22.676170][ T383] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 383, name: netperf [ 22.676171][ T383] preempt_count: 2, expected: 0 [ 22.676172][ T383] RCU nest depth: 0, expected: 0 [ 22.676173][ T383] locks held by netperf/383: 5, last CPU#2: [ 22.676174][ T383] #0: ffffffff9d2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 22.676186][ T383] #1: ffffffff9d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 22.676191][ T383] #2: ffffffff9d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 22.676195][ T383] #3: ffffffff9d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 22.676198][ T383] #4: ffffffff9d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 22.676202][ T383] irq event stamp: 868744 [ 22.676203][ T383] hardirqs last enabled at (868743): [] __down_trylock_console_sem+0x86/0xa0 [ 22.676206][ T383] hardirqs last disabled at (868744): [] console_emit_next_record+0x3d4/0x4c0 [ 22.676208][ T383] softirqs last enabled at (868320): [] handle_softirqs+0x67c/0x900 [ 22.676210][ T383] softirqs last disabled at (866605): [] __irq_exit_rcu+0x145/0x1c0 [ 22.676213][ T383] Preemption disabled at: [ 22.676214][ T383] [<0000000000000000>] 0x0 [ 22.676220][ T383] CPU: 2 UID: 0 PID: 383 Comm: netperf Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 22.676223][ T383] Tainted: [W]=WARN [ 22.676224][ T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.676226][ T383] Call Trace: [ 22.676228][ T383] [ 22.676229][ T383] dump_stack_lvl+0x6f/0xa0 [ 22.676236][ T383] __might_resched.cold+0x1fe/0x2c1 [ 22.676240][ T383] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 22.676244][ T383] ? __kmalloc_noprof+0xdb/0x760 [ 22.676249][ T383] __kmalloc_noprof+0x443/0x760 [ 22.676251][ T383] ? alloc_buf.isra.0+0x4b/0x260 [ 22.676257][ T383] ? do_raw_spin_unlock+0x59/0x250 [ 22.676260][ T383] alloc_buf.isra.0+0x4b/0x260 [ 22.676264][ T383] put_chars+0x1e1/0x2f0 [ 22.676266][ T383] ? __send_to_port+0x420/0x420 [ 22.676268][ T383] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 22.676271][ T383] ? validate_chain+0x38b/0xc20 [ 22.676276][ T383] hvc_console_print+0x292/0x780 [ 22.676284][ T383] ? hvc_write+0x3a0/0x3a0 [ 22.676286][ T383] ? rcu_is_watching+0x16/0xd0 [ 22.676288][ T383] ? lock_acquire+0x13c/0x160 [ 22.676292][ T383] console_emit_next_record+0x22f/0x4c0 [ 22.676296][ T383] ? devkmsg_read+0x4b0/0x4b0 [ 22.676298][ T383] ? console_flush_one_record+0x106/0x710 [ 22.676301][ T383] ? rcu_is_watching+0x16/0xd0 [ 22.676302][ T383] ? lock_acquire+0x13c/0x160 [ 22.676306][ T383] console_flush_one_record+0x46f/0x710 [ 22.676310][ T383] ? console_emit_next_record+0x4c0/0x4c0 [ 22.676312][ T383] ? __lock_acquire+0x518/0xc20 [ 22.676317][ T383] console_unlock+0xee/0x1f0 [ 22.676320][ T383] ? console_flush_one_record+0x710/0x710 [ 22.676322][ T383] ? rcu_is_watching+0x16/0xd0 [ 22.676323][ T383] ? lock_acquire+0xe0/0x160 [ 22.676327][ T383] ? __down_trylock_console_sem+0x5e/0xa0 [ 22.676329][ T383] ? vprintk_emit+0x320/0x3e0 [ 22.676331][ T383] vprintk_emit+0x37c/0x3e0 [ 22.676334][ T383] ? wake_up_klogd_work_func+0x90/0x90 [ 22.676336][ T383] ? do_raw_spin_unlock+0x59/0x250 [ 22.676339][ T383] ? __lock_acquire+0x518/0xc20 [ 22.676342][ T383] _printk+0xc7/0x100 [ 22.676349][ T383] ? snapshot_read.cold+0x21/0x21 [ 22.676352][ T383] ? do_raw_spin_lock+0x131/0x280 [ 22.676354][ T383] ? __rwlock_init+0x150/0x150 [ 22.676358][ T383] ? do_raw_spin_lock+0x131/0x280 [ 22.676361][ T383] do_exit.cold+0x82/0x9c [ 22.676364][ T383] ? exit_notify+0x890/0x890 [ 22.676365][ T383] ? __lock_release.isra.0+0x69/0x1a0 [ 22.676368][ T383] ? rcu_is_watching+0x16/0xd0 [ 22.676371][ T383] do_group_exit+0xb8/0x370 [ 22.676374][ T383] __x64_sys_exit_group+0x3c/0x50 [ 22.676376][ T383] x64_sys_call+0x1567/0x1570 [ 22.676378][ T383] do_syscall_64+0xff/0x530 [ 22.676382][ T383] ? exc_page_fault+0xee/0x100 [ 22.676385][ T383] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 22.676387][ T383] RIP: 0033:0x7fde3102c1b8 [ 22.676389][ T383] Code: Unable to access opcode bytes at 0x7fde3102c18e. [ 22.676391][ T383] RSP: 002b:00007ffeeeb82758 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.676393][ T383] RAX: ffffffffffffffda RBX: 00007fde3115cf88 RCX: 00007fde3102c1b8 [ 22.676394][ T383] RDX: 00007fde30f6b408 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 22.676395][ T383] RBP: 00007ffeeeb827b0 R08: 0000000000000000 R09: 0000000000000000 [ 22.676396][ T383] R10: 00007ffeeeb825d0 R11: 0000000000000246 R12: 0000000000000001 [ 22.676397][ T383] R13: 0000000000000000 R14: 00007fde3115b680 R15: 00007fde3115cfa0 [ 22.676404][ T383] [ 26.171876][ T432] ip (432) used greatest stack depth: 24128 bytes left [ 26.171891][ T432] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 26.171893][ T432] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 432, name: ip [ 26.171894][ T432] preempt_count: 2, expected: 0 [ 26.171895][ T432] RCU nest depth: 0, expected: 0 [ 26.171896][ T432] locks held by ip/432: 5, last CPU#3: [ 26.171898][ T432] #0: ffffffff9d2167b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 26.171909][ T432] #1: ffffffff9d37ddc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 26.171914][ T432] #2: ffffffff9d37de38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 26.171918][ T432] #3: ffffffff9d29d760 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 26.171922][ T432] #4: ffffffff9d29d660 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 26.171926][ T432] irq event stamp: 47046 [ 26.171927][ T432] hardirqs last enabled at (47045): [] __down_trylock_console_sem+0x86/0xa0 [ 26.171930][ T432] hardirqs last disabled at (47046): [] console_emit_next_record+0x3d4/0x4c0 [ 26.171932][ T432] softirqs last enabled at (45564): [] handle_softirqs+0x67c/0x900 [ 26.171934][ T432] softirqs last disabled at (44661): [] __irq_exit_rcu+0x145/0x1c0 [ 26.171936][ T432] Preemption disabled at: [ 26.171937][ T432] [<0000000000000000>] 0x0 [ 26.171943][ T432] CPU: 3 UID: 0 PID: 432 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 26.171946][ T432] Tainted: [W]=WARN [ 26.171947][ T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.171949][ T432] Call Trace: [ 26.171951][ T432] [ 26.171952][ T432] dump_stack_lvl+0x6f/0xa0 [ 26.171958][ T432] __might_resched.cold+0x1fe/0x2c1 [ 26.171963][ T432] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 26.171967][ T432] ? __kmalloc_noprof+0xdb/0x760 [ 26.171971][ T432] __kmalloc_noprof+0x443/0x760 [ 26.171973][ T432] ? alloc_buf.isra.0+0x4b/0x260 [ 26.171980][ T432] ? do_raw_spin_unlock+0x59/0x250 [ 26.171983][ T432] alloc_buf.isra.0+0x4b/0x260 [ 26.171986][ T432] put_chars+0x1e1/0x2f0 [ 26.171988][ T432] ? __send_to_port+0x420/0x420 [ 26.171990][ T432] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 26.171993][ T432] ? validate_chain+0x38b/0xc20 [ 26.171998][ T432] hvc_console_print+0x292/0x780 [ 26.172006][ T432] ? hvc_write+0x3a0/0x3a0 [ 26.172008][ T432] ? rcu_is_watching+0x16/0xd0 [ 26.172010][ T432] ? lock_acquire+0x13c/0x160 [ 26.172014][ T432] console_emit_next_record+0x22f/0x4c0 [ 26.172018][ T432] ? devkmsg_read+0x4b0/0x4b0 [ 26.172020][ T432] ? console_flush_one_record+0x106/0x710 [ 26.172023][ T432] ? rcu_is_watching+0x16/0xd0 [ 26.172024][ T432] ? lock_acquire+0x13c/0x160 [ 26.172028][ T432] console_flush_one_record+0x46f/0x710 [ 26.172032][ T432] ? console_emit_next_record+0x4c0/0x4c0 [ 26.172034][ T432] ? __lock_acquire+0x518/0xc20 [ 26.172040][ T432] console_unlock+0xee/0x1f0 [ 26.172042][ T432] ? console_flush_one_record+0x710/0x710 [ 26.172044][ T432] ? rcu_is_watching+0x16/0xd0 [ 26.172046][ T432] ? lock_acquire+0xe0/0x160 [ 26.172049][ T432] ? __down_trylock_console_sem+0x5e/0xa0 [ 26.172051][ T432] ? vprintk_emit+0x320/0x3e0 [ 26.172053][ T432] vprintk_emit+0x37c/0x3e0 [ 26.172057][ T432] ? wake_up_klogd_work_func+0x90/0x90 [ 26.172059][ T432] ? __lock_acquire+0x518/0xc20 [ 26.172063][ T432] _printk+0xc7/0x100 [ 26.172066][ T432] ? snapshot_read.cold+0x21/0x21 [ 26.172069][ T432] ? do_raw_spin_lock+0x131/0x280 [ 26.172071][ T432] ? __rwlock_init+0x150/0x150 [ 26.172075][ T432] ? do_raw_spin_lock+0x131/0x280 [ 26.172078][ T432] do_exit.cold+0x82/0x9c [ 26.172082][ T432] ? exit_notify+0x890/0x890 [ 26.172083][ T432] ? __lock_release.isra.0+0x69/0x1a0 [ 26.172086][ T432] ? rcu_is_watching+0x16/0xd0 [ 26.172089][ T432] do_group_exit+0xb8/0x370 [ 26.172092][ T432] __x64_sys_exit_group+0x3c/0x50 [ 26.172093][ T432] x64_sys_call+0x1567/0x1570 [ 26.172096][ T432] do_syscall_64+0xff/0x530 [ 26.172100][ T432] ? exc_page_fault+0xee/0x100 [ 26.172103][ T432] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.172105][ T432] RIP: 0033:0x7fdccf02f1b8 [ 26.172107][ T432] Code: Unable to access opcode bytes at 0x7fdccf02f18e. [ 26.172108][ T432] RSP: 002b:00007fffd3ddc158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 26.172110][ T432] RAX: ffffffffffffffda RBX: 00007fdccf15ff88 RCX: 00007fdccf02f1b8 [ 26.172111][ T432] RDX: 00007fdcced79fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 26.172112][ T432] RBP: 00007fffd3ddc1b0 R08: 0000000000000000 R09: 0000000000000050 [ 26.172113][ T432] R10: 00007fffd3ddbf70 R11: 0000000000000246 R12: 0000000000000001 [ 26.172114][ T432] R13: 0000000000000000 R14: 00007fdccf15e680 R15: 00007fdccf15ffa0 [ 26.172120][ T432]