[ 10.591416][ T184] netdevsim netdevsim16499 eni16499np1: renamed from eth0 [ 10.591478][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.591481][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 10.591482][ T184] preempt_count: 1, expected: 0 [ 10.591483][ T184] RCU nest depth: 0, expected: 0 [ 10.591485][ T184] locks held by (udev-worker)/184: 6, last CPU#3: [ 10.591487][ T184] #0: ffffffffaed05fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 10.591498][ T184] #1: ff1100000bed2de8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 10.591503][ T184] #2: ffffffffae599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.591508][ T184] #3: ffffffffae599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.591512][ T184] #4: ffffffffae489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.591516][ T184] #5: ffffffffae489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.591520][ T184] irq event stamp: 22162 [ 10.591520][ T184] hardirqs last enabled at (22161): [] __down_trylock_console_sem+0x86/0xa0 [ 10.591524][ T184] hardirqs last disabled at (22162): [] console_emit_next_record+0x3f8/0x4f0 [ 10.591526][ T184] softirqs last enabled at (22156): [] netif_change_name+0x216/0x8c0 [ 10.591529][ T184] softirqs last disabled at (22154): [] netif_change_name+0x1ad/0x8c0 [ 10.591532][ T184] Preemption disabled at: [ 10.591532][ T184] [] vprintk_emit+0x31b/0x3e0 [ 10.591537][ T184] CPU: 3 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.591541][ T184] Tainted: [W]=WARN [ 10.591542][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.591544][ T184] Call Trace: [ 10.591545][ T184] [ 10.591547][ T184] dump_stack_lvl+0x6f/0xa0 [ 10.591553][ T184] ? vprintk_emit+0x31b/0x3e0 [ 10.591554][ T184] __might_resched.cold+0x1fe/0x2c1 [ 10.591559][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.591563][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 10.591569][ T184] __kmalloc_noprof+0x443/0x760 [ 10.591571][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 10.591578][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 10.591580][ T184] alloc_buf.isra.0+0x4b/0x260 [ 10.591584][ T184] put_chars+0x1e1/0x2f0 [ 10.591587][ T184] ? __send_to_port+0x420/0x420 [ 10.591591][ T184] ? validate_chain+0x34a/0xc20 [ 10.591597][ T184] hvc_console_print+0x292/0x780 [ 10.591600][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591605][ T184] ? hvc_write+0x3a0/0x3a0 [ 10.591608][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591614][ T184] console_emit_next_record+0x252/0x4f0 [ 10.591618][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 10.591623][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591625][ T184] ? lock_acquire+0x13c/0x160 [ 10.591629][ T184] console_flush_one_record+0x46f/0x710 [ 10.591633][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 10.591635][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591641][ T184] console_unlock+0xee/0x1f0 [ 10.591644][ T184] ? console_flush_one_record+0x710/0x710 [ 10.591646][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591647][ T184] ? lock_acquire+0x60/0x160 [ 10.591651][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.591653][ T184] ? vprintk_emit+0x320/0x3e0 [ 10.591656][ T184] vprintk_emit+0x37c/0x3e0 [ 10.591659][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 10.591661][ T184] ? write_profile+0xf0/0xf0 [ 10.591664][ T184] ? unwind_get_return_address+0x67/0xd0 [ 10.591670][ T184] dev_vprintk_emit+0x27f/0x2c0 [ 10.591675][ T184] ? device_rename.cold+0xa/0xa [ 10.591680][ T184] ? filter_irq_stacks+0xd0/0xd0 [ 10.591685][ T184] dev_printk_emit+0xb9/0xee [ 10.591688][ T184] ? dev_vprintk_emit+0x2c0/0x2c0 [ 10.591692][ T184] ? check_prev_add+0x316/0xe90 [ 10.591698][ T184] __netdev_printk+0x160/0x1d0 [ 10.591703][ T184] netdev_info+0xe2/0x116 [ 10.591706][ T184] ? netdev_notice+0x120/0x120 [ 10.591708][ T184] ? find_held_lock+0x2b/0x80 [ 10.591712][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.591714][ T184] ? mark_held_locks+0x40/0x70 [ 10.591718][ T184] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 10.591720][ T184] netif_change_name.cold+0x4f/0x89 [ 10.591723][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591725][ T184] ? mark_lock_irq+0x747/0x9c0 [ 10.591727][ T184] ? find_held_lock+0x2/0x80 [ 10.591730][ T184] ? netdev_adjacent_rename_links+0x470/0x470 [ 10.591733][ T184] ? find_held_lock+0x2b/0x80 [ 10.591736][ T184] ? __asan_memset+0x27/0x50 [ 10.591741][ T184] do_setlink.isra.0+0x1f7d/0x2a60 [ 10.591744][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591747][ T184] ? rtnl_link_get_size+0x350/0x350 [ 10.591749][ T184] ? mark_usage+0x61/0x170 [ 10.591751][ T184] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.591753][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.591756][ T184] ? validate_chain+0x38b/0xc20 [ 10.591761][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591766][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.591768][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.591771][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591775][ T184] ? lock_acquire+0x13c/0x160 [ 10.591777][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591779][ T184] ? rcu_is_watching+0x16/0xd0 [ 10.591781][ T184] ? trace_contention_end+0xb3/0x180 [ 10.591783][ T184] ? __mutex_lock+0x1db/0x1ea0 [ 10.591787][ T184] ? __mutex_lock+0x9a3/0x1ea0 [ 10.591788][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591791][ T184] ? rtnl_setlink+0x29d/0x920 [ 10.591793][ T184] ? mark_usage+0x61/0x170 [ 10.591796][ T184] ? ww_mutex_lock+0x160/0x160 [ 10.591798][ T184] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.591804][ T184] ? mark_usage+0x61/0x170 [ 10.591807][ T184] ? cap_capable+0x1d7/0x3d0 [ 10.591815][ T184] rtnl_setlink+0x527/0x920 [ 10.591819][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.591820][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591844][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.591846][ T184] ? find_held_lock+0x2b/0x80 [ 10.591849][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.591851][ T184] ? mark_usage+0x61/0x170 [ 10.591853][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591857][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.591859][ T184] ? find_held_lock+0x2b/0x80 [ 10.591861][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.591864][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 10.591868][ T184] ? __rtnl_newlink+0xa50/0xa50 [ 10.591870][ T184] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.591874][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.591875][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591880][ T184] ? lock_acquire.part.0+0xd4/0x280 [ 10.591882][ T184] ? find_held_lock+0x2b/0x80 [ 10.591886][ T184] netlink_rcv_skb+0x14e/0x3a0 [ 10.591889][ T184] ? rtnl_link_fill+0x900/0x900 [ 10.591892][ T184] ? netlink_ack+0xcd0/0xcd0 [ 10.591899][ T184] ? netlink_deliver_tap+0xc5/0x330 [ 10.591901][ T184] ? netlink_deliver_tap+0x13c/0x330 [ 10.591906][ T184] netlink_unicast+0x486/0x750 [ 10.591910][ T184] ? netlink_attachskb+0x810/0x810 [ 10.591912][ T184] ? __lock_acquire+0x518/0xc20 [ 10.591917][ T184] netlink_sendmsg+0x735/0xc60 [ 10.591922][ T184] ? netlink_unicast+0x750/0x750 [ 10.591925][ T184] ? __might_fault+0x97/0x140 [ 10.591929][ T184] ? __might_fault+0x97/0x140 [ 10.591933][ T184] __sys_sendto+0x2aa/0x400 [ 10.591936][ T184] ? __ia32_sys_getpeername+0xd0/0xd0 [ 10.591947][ T184] ? exc_page_fault+0x87/0x100 [ 10.591952][ T184] __x64_sys_sendto+0xe4/0x1f0 [ 10.591954][ T184] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.591957][ T184] ? lockdep_hardirqs_on+0x91/0x130 [ 10.591959][ T184] ? do_syscall_64+0xa6/0x530 [ 10.591961][ T184] do_syscall_64+0xff/0x530 [ 10.591963][ T184] ? exc_page_fault+0xee/0x100 [ 10.591966][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.591968][ T184] RIP: 0033:0x7f820774a54e [ 10.591972][ T184] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 10.591974][ T184] RSP: 002b:00007ffe30656a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.591976][ T184] RAX: ffffffffffffffda RBX: 0000560b0e01da70 RCX: 00007f820774a54e [ 10.591978][ T184] RDX: 0000000000000030 RSI: 0000560b0de90f40 RDI: 0000000000000018 [ 10.591979][ T184] RBP: 00007ffe30656aa0 R08: 00007ffe30656af0 R09: 0000000000000080 [ 10.591979][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 0000560b0dffbeb0 [ 10.591980][ T184] R13: 00007ffe30656bd4 R14: 0000000000000000 R15: 0000000000000000 [ 10.591987][ T184] [ 10.807633][ T184] netdevsim netdevsim30015 eni30015np1: renamed from eth0 [ 13.400591][ T223] iperf3 (223) used greatest stack depth: 24392 bytes left [ 13.400612][ T223] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 13.400615][ T223] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 223, name: iperf3 [ 13.400617][ T223] preempt_count: 2, expected: 0 [ 13.400618][ T223] RCU nest depth: 0, expected: 0 [ 13.400619][ T223] locks held by iperf3/223: 5, last CPU#1: [ 13.400621][ T223] #0: ffffffffae4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 13.400634][ T223] #1: ffffffffae599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 13.400640][ T223] #2: ffffffffae599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 13.400645][ T223] #3: ffffffffae489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 13.400649][ T223] #4: ffffffffae489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 13.400654][ T223] irq event stamp: 11478 [ 13.400655][ T223] hardirqs last enabled at (11477): [] __down_trylock_console_sem+0x86/0xa0 [ 13.400658][ T223] hardirqs last disabled at (11478): [] console_emit_next_record+0x3f8/0x4f0 [ 13.400661][ T223] softirqs last enabled at (11428): [] tcp_sendmsg+0x39/0x50 [ 13.400665][ T223] softirqs last disabled at (11426): [] release_sock+0x21/0x240 [ 13.400669][ T223] Preemption disabled at: [ 13.400670][ T223] [<0000000000000000>] 0x0 [ 13.400677][ T223] CPU: 1 UID: 0 PID: 223 Comm: iperf3 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 13.400681][ T223] Tainted: [W]=WARN [ 13.400682][ T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.400684][ T223] Call Trace: [ 13.400686][ T223] [ 13.400688][ T223] dump_stack_lvl+0x6f/0xa0 [ 13.400694][ T223] __might_resched.cold+0x1fe/0x2c1 [ 13.400699][ T223] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 13.400704][ T223] ? __kmalloc_noprof+0xdb/0x760 [ 13.400710][ T223] __kmalloc_noprof+0x443/0x760 [ 13.400714][ T223] ? alloc_buf.isra.0+0x4b/0x260 [ 13.400721][ T223] ? do_raw_spin_unlock+0x59/0x250 [ 13.400724][ T223] alloc_buf.isra.0+0x4b/0x260 [ 13.400728][ T223] put_chars+0x1e1/0x2f0 [ 13.400732][ T223] ? __send_to_port+0x420/0x420 [ 13.400736][ T223] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 13.400740][ T223] ? rcu_read_lock_any_held+0x3c/0x90 [ 13.400744][ T223] ? validate_chain+0x38b/0xc20 [ 13.400748][ T223] hvc_console_print+0x292/0x780 [ 13.400752][ T223] ? mark_usage+0x61/0x170 [ 13.400754][ T223] ? __lock_acquire+0x518/0xc20 [ 13.400756][ T223] ? __lock_acquire+0x518/0xc20 [ 13.400761][ T223] ? hvc_write+0x3a0/0x3a0 [ 13.400762][ T223] ? lock_acquire.part.0+0xd4/0x280 [ 13.400767][ T223] ? lock_acquire+0x13c/0x160 [ 13.400771][ T223] console_emit_next_record+0x252/0x4f0 [ 13.400781][ T223] ? devkmsg_read+0x4e0/0x4e0 [ 13.400786][ T223] ? rcu_is_watching+0x16/0xd0 [ 13.400789][ T223] ? lock_acquire+0x13c/0x160 [ 13.400794][ T223] console_flush_one_record+0x46f/0x710 [ 13.400798][ T223] ? console_emit_next_record+0x4f0/0x4f0 [ 13.400800][ T223] ? __lock_acquire+0x518/0xc20 [ 13.400806][ T223] console_unlock+0xee/0x1f0 [ 13.400809][ T223] ? console_flush_one_record+0x710/0x710 [ 13.400811][ T223] ? rcu_is_watching+0x16/0xd0 [ 13.400813][ T223] ? lock_acquire+0x60/0x160 [ 13.400817][ T223] ? __down_trylock_console_sem+0x5e/0xa0 [ 13.400819][ T223] ? vprintk_emit+0x320/0x3e0 [ 13.400822][ T223] vprintk_emit+0x37c/0x3e0 [ 13.400825][ T223] ? wake_up_klogd_work_func+0x90/0x90 [ 13.400829][ T223] ? __lock_acquire+0x518/0xc20 [ 13.400833][ T223] _printk+0xc7/0x100 [ 13.400837][ T223] ? snapshot_read.cold+0x21/0x21 [ 13.400840][ T223] ? do_raw_spin_lock+0x131/0x280 [ 13.400843][ T223] ? __rwlock_init+0x150/0x150 [ 13.400847][ T223] ? do_raw_spin_lock+0x131/0x280 [ 13.400850][ T223] do_exit.cold+0x82/0x9c [ 13.400854][ T223] ? exit_notify+0x890/0x890 [ 13.400855][ T223] ? find_held_lock+0x2b/0x80 [ 13.400858][ T223] ? __lock_release.isra.0+0x69/0x1a0 [ 13.400860][ T223] ? __rwlock_init+0x150/0x150 [ 13.400864][ T223] do_group_exit+0xb8/0x370 [ 13.400865][ T223] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 13.400867][ T223] ? lockdep_hardirqs_on+0x91/0x130 [ 13.400870][ T223] ? _raw_spin_unlock_irq+0x28/0x50 [ 13.400872][ T223] ? _raw_spin_unlock_irq+0x33/0x50 [ 13.400874][ T223] get_signal+0x1886/0x1980 [ 13.400878][ T223] ? ____sys_recvmsg+0x710/0x710 [ 13.400883][ T223] ? new_sync_read+0x750/0x750 [ 13.400887][ T223] ? ptrace_signal+0x600/0x600 [ 13.400890][ T223] ? __lock_release.isra.0+0x69/0x1a0 [ 13.400894][ T223] arch_do_signal_or_restart+0xc2/0x3a0 [ 13.400898][ T223] ? __fget_files+0x1e3/0x460 [ 13.400902][ T223] ? get_sigframe_size+0x20/0x20 [ 13.400907][ T223] ? rcu_is_watching+0x16/0xd0 [ 13.400909][ T223] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 13.400913][ T223] exit_to_user_mode_loop+0xd5/0x5a0 [ 13.400916][ T223] ? rcu_is_watching+0x16/0xd0 [ 13.400919][ T223] do_syscall_64+0x3e3/0x530 [ 13.400922][ T223] ? exc_page_fault+0xee/0x100 [ 13.400924][ T223] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.400927][ T223] RIP: 0033:0x7f81f2c44312 [ 13.400929][ T223] Code: Unable to access opcode bytes at 0x7f81f2c442e8. [ 13.400930][ T223] RSP: 002b:00007f81f0a17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.400932][ T223] RAX: 00000000000188d8 RBX: 0000000000020000 RCX: 00007f81f2c44312 [ 13.400934][ T223] RDX: 0000000000020000 RSI: 00007f81f239c000 RDI: 000000000000000b [ 13.400935][ T223] RBP: 00007f81f0a17ca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.400935][ T223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f239c000 [ 13.400936][ T223] R13: 000000000000000b R14: 0000000000020000 R15: 00005619b2cba3d0 [ 13.400943][ T223] [ 13.436521][ T239] iperf3 (239) used greatest stack depth: 23384 bytes left [ 13.444587][ T237] iperf3 (237) used greatest stack depth: 22984 bytes left [ 15.542638][ T184] (udev-worker) (184) used greatest stack depth: 22696 bytes left [ 15.542660][ T184] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 15.542662][ T184] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 184, name: (udev-worker) [ 15.542664][ T184] preempt_count: 2, expected: 0 [ 15.542665][ T184] RCU nest depth: 0, expected: 0 [ 15.542666][ T184] locks held by (udev-worker)/184: 5, last CPU#1: [ 15.542668][ T184] #0: ffffffffae4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 15.542679][ T184] #1: ffffffffae599cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 15.542684][ T184] #2: ffffffffae599d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 15.542688][ T184] #3: ffffffffae489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 15.542692][ T184] #4: ffffffffae489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 15.542696][ T184] irq event stamp: 140950 [ 15.542697][ T184] hardirqs last enabled at (140949): [] __down_trylock_console_sem+0x86/0xa0 [ 15.542700][ T184] hardirqs last disabled at (140950): [] console_emit_next_record+0x3f8/0x4f0 [ 15.542702][ T184] softirqs last enabled at (140886): [] netlink_release+0x17b/0xcf0 [ 15.542707][ T184] softirqs last disabled at (140884): [] netlink_release+0xd2/0xcf0 [ 15.542709][ T184] Preemption disabled at: [ 15.542710][ T184] [<0000000000000000>] 0x0 [ 15.542717][ T184] CPU: 1 UID: 0 PID: 184 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 15.542720][ T184] Tainted: [W]=WARN [ 15.542721][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.542723][ T184] Call Trace: [ 15.542725][ T184] [ 15.542727][ T184] dump_stack_lvl+0x6f/0xa0 [ 15.542733][ T184] __might_resched.cold+0x1fe/0x2c1 [ 15.542738][ T184] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 15.542743][ T184] ? __kmalloc_noprof+0xdb/0x760 [ 15.542748][ T184] __kmalloc_noprof+0x443/0x760 [ 15.542751][ T184] ? alloc_buf.isra.0+0x4b/0x260 [ 15.542757][ T184] ? do_raw_spin_unlock+0x59/0x250 [ 15.542760][ T184] alloc_buf.isra.0+0x4b/0x260 [ 15.542763][ T184] put_chars+0x1e1/0x2f0 [ 15.542767][ T184] ? __send_to_port+0x420/0x420 [ 15.542768][ T184] ? printk_get_next_message+0x2fe/0x7d0 [ 15.542772][ T184] ? rcu_read_lock_any_held+0x3c/0x90 [ 15.542779][ T184] ? validate_chain+0x38b/0xc20 [ 15.542783][ T184] hvc_console_print+0x292/0x780 [ 15.542786][ T184] ? __lock_acquire+0x518/0xc20 [ 15.542788][ T184] ? __lock_acquire+0x518/0xc20 [ 15.542793][ T184] ? hvc_write+0x3a0/0x3a0 [ 15.542796][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.542798][ T184] ? lock_acquire+0x13c/0x160 [ 15.542802][ T184] console_emit_next_record+0x252/0x4f0 [ 15.542806][ T184] ? devkmsg_read+0x4e0/0x4e0 [ 15.542811][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.542812][ T184] ? lock_acquire+0x13c/0x160 [ 15.542816][ T184] console_flush_one_record+0x46f/0x710 [ 15.542821][ T184] ? console_emit_next_record+0x4f0/0x4f0 [ 15.542823][ T184] ? __lock_acquire+0x518/0xc20 [ 15.542828][ T184] console_unlock+0xee/0x1f0 [ 15.542832][ T184] ? console_flush_one_record+0x710/0x710 [ 15.542834][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.542836][ T184] ? lock_acquire+0x60/0x160 [ 15.542840][ T184] ? __down_trylock_console_sem+0x5e/0xa0 [ 15.542841][ T184] ? vprintk_emit+0x320/0x3e0 [ 15.542844][ T184] vprintk_emit+0x37c/0x3e0 [ 15.542847][ T184] ? wake_up_klogd_work_func+0x90/0x90 [ 15.542850][ T184] ? __lock_acquire+0x518/0xc20 [ 15.542854][ T184] _printk+0xc7/0x100 [ 15.542857][ T184] ? snapshot_read.cold+0x21/0x21 [ 15.542860][ T184] ? do_raw_spin_lock+0x131/0x280 [ 15.542863][ T184] ? __rwlock_init+0x150/0x150 [ 15.542867][ T184] ? do_raw_spin_lock+0x131/0x280 [ 15.542870][ T184] do_exit.cold+0x82/0x9c [ 15.542873][ T184] ? exit_notify+0x890/0x890 [ 15.542875][ T184] ? __lock_release.isra.0+0x69/0x1a0 [ 15.542878][ T184] ? rcu_is_watching+0x16/0xd0 [ 15.542881][ T184] do_group_exit+0xb8/0x370 [ 15.542884][ T184] __x64_sys_exit_group+0x3c/0x50 [ 15.542886][ T184] x64_sys_call+0x1567/0x1570 [ 15.542888][ T184] do_syscall_64+0xff/0x530 [ 15.542892][ T184] ? exc_page_fault+0xee/0x100 [ 15.542895][ T184] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.542898][ T184] RIP: 0033:0x7f820779b1b8 [ 15.542900][ T184] Code: Unable to access opcode bytes at 0x7f820779b18e. [ 15.542901][ T184] RSP: 002b:00007ffe30656fe8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.542903][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f820779b1b8 [ 15.542905][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.542906][ T184] RBP: 00007ffe30657170 R08: 0000560b0dffcc08 R09: 0000000000000000 [ 15.542907][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 15.542907][ T184] R13: 00007f8206ff9050 R14: 00007f8207cccd9e R15: 0000560b0de95570 [ 15.542914][ T184]