[ 8.688376][ T175] ip (175) used greatest stack depth: 24312 bytes left [ 8.688392][ T175] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 8.688394][ T175] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 175, name: ip [ 8.688395][ T175] preempt_count: 2, expected: 0 [ 8.688396][ T175] RCU nest depth: 0, expected: 0 [ 8.688397][ T175] locks held by ip/175: 5, last CPU#0: [ 8.688399][ T175] #0: ffffffffaae027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 8.688411][ T175] #1: ffffffffaaf99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 8.688416][ T175] #2: ffffffffaaf99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 8.688419][ T175] #3: ffffffffaae89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 8.688422][ T175] #4: ffffffffaae89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 8.688426][ T175] irq event stamp: 28426 [ 8.688427][ T175] hardirqs last enabled at (28425): [] __down_trylock_console_sem+0x86/0xa0 [ 8.688430][ T175] hardirqs last disabled at (28426): [] console_emit_next_record+0x3f8/0x4f0 [ 8.688431][ T175] softirqs last enabled at (27850): [] handle_softirqs+0x67c/0x900 [ 8.688434][ T175] softirqs last disabled at (27841): [] __irq_exit_rcu+0x145/0x1c0 [ 8.688436][ T175] Preemption disabled at: [ 8.688437][ T175] [<0000000000000000>] 0x0 [ 8.688443][ T175] CPU: 0 UID: 0 PID: 175 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 8.688447][ T175] Tainted: [W]=WARN [ 8.688447][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.688449][ T175] Call Trace: [ 8.688450][ T175] [ 8.688452][ T175] dump_stack_lvl+0x6f/0xa0 [ 8.688457][ T175] __might_resched.cold+0x1fe/0x2c1 [ 8.688462][ T175] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 8.688465][ T175] ? __kmalloc_noprof+0xdb/0x760 [ 8.688471][ T175] __kmalloc_noprof+0x443/0x760 [ 8.688473][ T175] ? alloc_buf.isra.0+0x4b/0x260 [ 8.688479][ T175] ? do_raw_spin_unlock+0x59/0x250 [ 8.688481][ T175] alloc_buf.isra.0+0x4b/0x260 [ 8.688485][ T175] put_chars+0x1e1/0x2f0 [ 8.688488][ T175] ? __send_to_port+0x420/0x420 [ 8.688490][ T175] ? printk_get_next_message+0x2fe/0x7d0 [ 8.688493][ T175] ? rcu_read_lock_any_held+0x3c/0x90 [ 8.688496][ T175] ? validate_chain+0x38b/0xc20 [ 8.688501][ T175] hvc_console_print+0x292/0x780 [ 8.688505][ T175] ? __lock_acquire+0x518/0xc20 [ 8.688507][ T175] ? __lock_acquire+0x518/0xc20 [ 8.688511][ T175] ? hvc_write+0x3a0/0x3a0 [ 8.688515][ T175] ? rcu_is_watching+0x16/0xd0 [ 8.688517][ T175] ? lock_acquire+0x13c/0x160 [ 8.688521][ T175] console_emit_next_record+0x252/0x4f0 [ 8.688525][ T175] ? devkmsg_read+0x4e0/0x4e0 [ 8.688528][ T175] ? rcu_is_watching+0x16/0xd0 [ 8.688530][ T175] ? lock_acquire+0x13c/0x160 [ 8.688534][ T175] console_flush_one_record+0x46f/0x710 [ 8.688538][ T175] ? console_emit_next_record+0x4f0/0x4f0 [ 8.688539][ T175] ? __lock_acquire+0x518/0xc20 [ 8.688544][ T175] console_unlock+0xee/0x1f0 [ 8.688547][ T175] ? console_flush_one_record+0x710/0x710 [ 8.688548][ T175] ? rcu_is_watching+0x16/0xd0 [ 8.688550][ T175] ? lock_acquire+0x60/0x160 [ 8.688554][ T175] ? __down_trylock_console_sem+0x5e/0xa0 [ 8.688555][ T175] ? vprintk_emit+0x320/0x3e0 [ 8.688558][ T175] vprintk_emit+0x37c/0x3e0 [ 8.688561][ T175] ? wake_up_klogd_work_func+0x90/0x90 [ 8.688564][ T175] ? __lock_acquire+0x518/0xc20 [ 8.688568][ T175] _printk+0xc7/0x100 [ 8.688572][ T175] ? snapshot_read.cold+0x21/0x21 [ 8.688574][ T175] ? do_raw_spin_lock+0x131/0x280 [ 8.688576][ T175] ? __rwlock_init+0x150/0x150 [ 8.688580][ T175] ? do_raw_spin_lock+0x131/0x280 [ 8.688582][ T175] do_exit.cold+0x82/0x9c [ 8.688586][ T175] ? exit_notify+0x890/0x890 [ 8.688587][ T175] ? __lock_release.isra.0+0x69/0x1a0 [ 8.688590][ T175] ? rcu_is_watching+0x16/0xd0 [ 8.688593][ T175] do_group_exit+0xb8/0x370 [ 8.688596][ T175] __x64_sys_exit_group+0x3c/0x50 [ 8.688598][ T175] x64_sys_call+0x1567/0x1570 [ 8.688601][ T175] do_syscall_64+0xff/0x530 [ 8.688604][ T175] ? exc_page_fault+0xee/0x100 [ 8.688607][ T175] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.688609][ T175] RIP: 0033:0x7f097a0d81b8 [ 8.688613][ T175] Code: Unable to access opcode bytes at 0x7f097a0d818e. [ 8.688614][ T175] RSP: 002b:00007fff99a1c078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.688617][ T175] RAX: ffffffffffffffda RBX: 00007f097a208f88 RCX: 00007f097a0d81b8 [ 8.688618][ T175] RDX: 00007f0979e22fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.688619][ T175] RBP: 00007fff99a1c0d0 R08: 0000000000000000 R09: 0000000000000050 [ 8.688620][ T175] R10: 00007fff99a1be90 R11: 0000000000000246 R12: 0000000000000001 [ 8.688620][ T175] R13: 0000000000000000 R14: 00007f097a207680 R15: 00007f097a208fa0 [ 8.688627][ T175] [ 9.119460][ T189] t0: Port device b0 added [ 10.116950][ T214] ping (214) used greatest stack depth: 23392 bytes left [ 10.116967][ T214] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.116969][ T214] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 214, name: ping [ 10.116971][ T214] preempt_count: 2, expected: 0 [ 10.116971][ T214] RCU nest depth: 0, expected: 0 [ 10.116972][ T214] locks held by ping/214: 5, last CPU#1: [ 10.116974][ T214] #0: ffffffffaae027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 10.116985][ T214] #1: ffffffffaaf99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.116991][ T214] #2: ffffffffaaf99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.116994][ T214] #3: ffffffffaae89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.116997][ T214] #4: ffffffffaae89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.117001][ T214] irq event stamp: 36082 [ 10.117002][ T214] hardirqs last enabled at (36081): [] __down_trylock_console_sem+0x86/0xa0 [ 10.117005][ T214] hardirqs last disabled at (36082): [] console_emit_next_record+0x3f8/0x4f0 [ 10.117007][ T214] softirqs last enabled at (35094): [] sk_common_release+0x16b/0x310 [ 10.117011][ T214] softirqs last disabled at (35092): [] sk_common_release+0xc2/0x310 [ 10.117013][ T214] Preemption disabled at: [ 10.117014][ T214] [<0000000000000000>] 0x0 [ 10.117020][ T214] CPU: 1 UID: 0 PID: 214 Comm: ping Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.117024][ T214] Tainted: [W]=WARN [ 10.117025][ T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.117027][ T214] Call Trace: [ 10.117028][ T214] [ 10.117030][ T214] dump_stack_lvl+0x6f/0xa0 [ 10.117035][ T214] __might_resched.cold+0x1fe/0x2c1 [ 10.117040][ T214] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.117043][ T214] ? __kmalloc_noprof+0xdb/0x760 [ 10.117048][ T214] __kmalloc_noprof+0x443/0x760 [ 10.117051][ T214] ? alloc_buf.isra.0+0x4b/0x260 [ 10.117057][ T214] ? do_raw_spin_unlock+0x59/0x250 [ 10.117059][ T214] alloc_buf.isra.0+0x4b/0x260 [ 10.117063][ T214] put_chars+0x1e1/0x2f0 [ 10.117066][ T214] ? __send_to_port+0x420/0x420 [ 10.117068][ T214] ? printk_get_next_message+0x2fe/0x7d0 [ 10.117071][ T214] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.117074][ T214] ? validate_chain+0x38b/0xc20 [ 10.117079][ T214] hvc_console_print+0x292/0x780 [ 10.117083][ T214] ? __lock_acquire+0x518/0xc20 [ 10.117085][ T214] ? __lock_acquire+0x518/0xc20 [ 10.117089][ T214] ? hvc_write+0x3a0/0x3a0 [ 10.117093][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.117095][ T214] ? lock_acquire+0x13c/0x160 [ 10.117099][ T214] console_emit_next_record+0x252/0x4f0 [ 10.117103][ T214] ? devkmsg_read+0x4e0/0x4e0 [ 10.117107][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.117108][ T214] ? lock_acquire+0x13c/0x160 [ 10.117112][ T214] console_flush_one_record+0x46f/0x710 [ 10.117116][ T214] ? console_emit_next_record+0x4f0/0x4f0 [ 10.117118][ T214] ? __lock_acquire+0x518/0xc20 [ 10.117130][ T214] console_unlock+0xee/0x1f0 [ 10.117132][ T214] ? console_flush_one_record+0x710/0x710 [ 10.117134][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.117135][ T214] ? lock_acquire+0x60/0x160 [ 10.117139][ T214] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.117141][ T214] ? vprintk_emit+0x320/0x3e0 [ 10.117144][ T214] vprintk_emit+0x37c/0x3e0 [ 10.117147][ T214] ? wake_up_klogd_work_func+0x90/0x90 [ 10.117150][ T214] ? __lock_acquire+0x518/0xc20 [ 10.117154][ T214] _printk+0xc7/0x100 [ 10.117158][ T214] ? snapshot_read.cold+0x21/0x21 [ 10.117160][ T214] ? do_raw_spin_lock+0x131/0x280 [ 10.117162][ T214] ? __rwlock_init+0x150/0x150 [ 10.117166][ T214] ? do_raw_spin_lock+0x131/0x280 [ 10.117168][ T214] do_exit.cold+0x82/0x9c [ 10.117172][ T214] ? exit_notify+0x890/0x890 [ 10.117173][ T214] ? __lock_release.isra.0+0x69/0x1a0 [ 10.117176][ T214] ? rcu_is_watching+0x16/0xd0 [ 10.117180][ T214] do_group_exit+0xb8/0x370 [ 10.117183][ T214] __x64_sys_exit_group+0x3c/0x50 [ 10.117185][ T214] x64_sys_call+0x1567/0x1570 [ 10.117187][ T214] do_syscall_64+0xff/0x530 [ 10.117190][ T214] ? exc_page_fault+0xee/0x100 [ 10.117193][ T214] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.117195][ T214] RIP: 0033:0x7f91b46ca1b8 [ 10.117197][ T214] Code: Unable to access opcode bytes at 0x7f91b46ca18e. [ 10.117198][ T214] RSP: 002b:00007ffd56a46ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.117201][ T214] RAX: ffffffffffffffda RBX: 00007f91b47faf88 RCX: 00007f91b46ca1b8 [ 10.117202][ T214] RDX: 00007f91b445b7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.117203][ T214] RBP: 00007ffd56a46b40 R08: 0000000000000000 R09: 0000000000001010 [ 10.117204][ T214] R10: 00007ffd56a46960 R11: 0000000000000246 R12: 0000000000000002 [ 10.117204][ T214] R13: 0000000000000000 R14: 00007f91b47f9680 R15: 00007f91b47fafa0 [ 10.117211][ T214] [ 10.290881][ T12] t0: Port device b0 removed [ 10.291871][ T12] b0 (unregistering): Released all slaves