[ 7.938733][ T125] modprobe (125) used greatest stack depth: 24464 bytes left [ 7.938749][ T125] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 7.938750][ T125] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 125, name: modprobe [ 7.938752][ T125] preempt_count: 2, expected: 0 [ 7.938753][ T125] RCU nest depth: 0, expected: 0 [ 7.938754][ T125] locks held by modprobe/125: 5, last CPU#0: [ 7.938756][ T125] #0: ffffffff8e4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 7.938767][ T125] #1: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 7.938773][ T125] #2: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 7.938777][ T125] #3: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 7.938781][ T125] #4: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 7.938784][ T125] irq event stamp: 16304 [ 7.938785][ T125] hardirqs last enabled at (16303): [] __down_trylock_console_sem+0x86/0xa0 [ 7.938788][ T125] hardirqs last disabled at (16304): [] console_emit_next_record+0x3d4/0x4c0 [ 7.938790][ T125] softirqs last enabled at (14514): [] handle_softirqs+0x67c/0x900 [ 7.938791][ T125] softirqs last disabled at (14509): [] __irq_exit_rcu+0x145/0x1c0 [ 7.938793][ T125] Preemption disabled at: [ 7.938794][ T125] [<0000000000000000>] 0x0 [ 7.938800][ T125] CPU: 0 UID: 0 PID: 125 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 7.938804][ T125] Tainted: [W]=WARN [ 7.938804][ T125] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.938806][ T125] Call Trace: [ 7.938808][ T125] [ 7.938809][ T125] dump_stack_lvl+0x6f/0xa0 [ 7.938815][ T125] __might_resched.cold+0x1fe/0x2c1 [ 7.938820][ T125] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 7.938824][ T125] ? __kmalloc_noprof+0xdb/0x760 [ 7.938829][ T125] __kmalloc_noprof+0x443/0x760 [ 7.938831][ T125] ? alloc_buf.isra.0+0x4b/0x260 [ 7.938837][ T125] ? do_raw_spin_unlock+0x59/0x250 [ 7.938840][ T125] alloc_buf.isra.0+0x4b/0x260 [ 7.938842][ T125] put_chars+0x1e1/0x2f0 [ 7.938845][ T125] ? __send_to_port+0x420/0x420 [ 7.938846][ T125] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 7.938851][ T125] ? validate_chain+0x38b/0xc20 [ 7.938856][ T125] hvc_console_print+0x292/0x780 [ 7.938862][ T125] ? hvc_write+0x3a0/0x3a0 [ 7.938864][ T125] ? rcu_is_watching+0x16/0xd0 [ 7.938866][ T125] ? lock_acquire+0x13c/0x160 [ 7.938870][ T125] console_emit_next_record+0x22f/0x4c0 [ 7.938874][ T125] ? devkmsg_read+0x4b0/0x4b0 [ 7.938875][ T125] ? console_flush_one_record+0x106/0x710 [ 7.938879][ T125] ? rcu_is_watching+0x16/0xd0 [ 7.938881][ T125] ? lock_acquire+0x13c/0x160 [ 7.938885][ T125] console_flush_one_record+0x46f/0x710 [ 7.938889][ T125] ? console_emit_next_record+0x4c0/0x4c0 [ 7.938890][ T125] ? __lock_acquire+0x518/0xc20 [ 7.938895][ T125] console_unlock+0xee/0x1f0 [ 7.938898][ T125] ? console_flush_one_record+0x710/0x710 [ 7.938900][ T125] ? rcu_is_watching+0x16/0xd0 [ 7.938902][ T125] ? lock_acquire+0x60/0x160 [ 7.938906][ T125] ? __down_trylock_console_sem+0x5e/0xa0 [ 7.938907][ T125] ? vprintk_emit+0x320/0x3e0 [ 7.938910][ T125] vprintk_emit+0x37c/0x3e0 [ 7.938914][ T125] ? wake_up_klogd_work_func+0x90/0x90 [ 7.938917][ T125] ? __lock_acquire+0x518/0xc20 [ 7.938921][ T125] _printk+0xc7/0x100 [ 7.938925][ T125] ? snapshot_read.cold+0x21/0x21 [ 7.938927][ T125] ? do_raw_spin_lock+0x131/0x280 [ 7.938930][ T125] ? __rwlock_init+0x150/0x150 [ 7.938933][ T125] ? do_raw_spin_lock+0x131/0x280 [ 7.938936][ T125] do_exit.cold+0x82/0x9c [ 7.938940][ T125] ? exit_notify+0x890/0x890 [ 7.938942][ T125] ? __lock_release.isra.0+0x69/0x1a0 [ 7.938944][ T125] ? rcu_is_watching+0x16/0xd0 [ 7.938948][ T125] do_group_exit+0xb8/0x370 [ 7.938951][ T125] __x64_sys_exit_group+0x3c/0x50 [ 7.938953][ T125] x64_sys_call+0x1567/0x1570 [ 7.938955][ T125] do_syscall_64+0xff/0x530 [ 7.938958][ T125] ? exc_page_fault+0xee/0x100 [ 7.938961][ T125] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.938963][ T125] RIP: 0033:0x7fbb328b71b8 [ 7.938965][ T125] Code: Unable to access opcode bytes at 0x7fbb328b718e. [ 7.938966][ T125] RSP: 002b:00007fff4122fc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 7.938969][ T125] RAX: ffffffffffffffda RBX: 00007fbb329e7f88 RCX: 00007fbb328b71b8 [ 7.938970][ T125] RDX: 00007fbb327f2a88 RSI: ffffffffffffffa8 RDI: 0000000000000001 [ 7.938971][ T125] RBP: 00007fff4122fcf0 R08: 0000000000000000 R09: 00000000000000a0 [ 7.938972][ T125] R10: 00007fff4122faf0 R11: 0000000000000246 R12: 0000000000000001 [ 7.938973][ T125] R13: 0000000000000001 R14: 00007fbb329e6680 R15: 00007fbb329e7fa0 [ 7.938979][ T125] [ 9.924283][ T234] ip (234) used greatest stack depth: 23920 bytes left [ 9.924298][ T234] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 9.924300][ T234] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 234, name: ip [ 9.924301][ T234] preempt_count: 2, expected: 0 [ 9.924302][ T234] RCU nest depth: 0, expected: 0 [ 9.924303][ T234] locks held by ip/234: 5, last CPU#3: [ 9.924305][ T234] #0: ffffffff8e4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 9.924317][ T234] #1: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 9.924323][ T234] #2: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 9.924327][ T234] #3: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 9.924331][ T234] #4: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 9.924335][ T234] irq event stamp: 18828 [ 9.924335][ T234] hardirqs last enabled at (18827): [] __down_trylock_console_sem+0x86/0xa0 [ 9.924338][ T234] hardirqs last disabled at (18828): [] console_emit_next_record+0x3d4/0x4c0 [ 9.924340][ T234] softirqs last enabled at (18742): [] handle_softirqs+0x67c/0x900 [ 9.924342][ T234] softirqs last disabled at (17837): [] __irq_exit_rcu+0x145/0x1c0 [ 9.924344][ T234] Preemption disabled at: [ 9.924344][ T234] [<0000000000000000>] 0x0 [ 9.924351][ T234] CPU: 3 UID: 0 PID: 234 Comm: ip Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 9.924354][ T234] Tainted: [W]=WARN [ 9.924355][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.924357][ T234] Call Trace: [ 9.924358][ T234] [ 9.924360][ T234] dump_stack_lvl+0x6f/0xa0 [ 9.924366][ T234] __might_resched.cold+0x1fe/0x2c1 [ 9.924371][ T234] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 9.924374][ T234] ? __kmalloc_noprof+0xdb/0x760 [ 9.924379][ T234] __kmalloc_noprof+0x443/0x760 [ 9.924382][ T234] ? alloc_buf.isra.0+0x4b/0x260 [ 9.924387][ T234] ? do_raw_spin_unlock+0x59/0x250 [ 9.924390][ T234] alloc_buf.isra.0+0x4b/0x260 [ 9.924393][ T234] put_chars+0x1e1/0x2f0 [ 9.924396][ T234] ? __send_to_port+0x420/0x420 [ 9.924397][ T234] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 9.924402][ T234] ? validate_chain+0x38b/0xc20 [ 9.924406][ T234] hvc_console_print+0x292/0x780 [ 9.924412][ T234] ? hvc_write+0x3a0/0x3a0 [ 9.924414][ T234] ? rcu_is_watching+0x16/0xd0 [ 9.924417][ T234] ? lock_acquire+0x13c/0x160 [ 9.924421][ T234] console_emit_next_record+0x22f/0x4c0 [ 9.924424][ T234] ? devkmsg_read+0x4b0/0x4b0 [ 9.924426][ T234] ? console_flush_one_record+0x106/0x710 [ 9.924429][ T234] ? rcu_is_watching+0x16/0xd0 [ 9.924431][ T234] ? lock_acquire+0x13c/0x160 [ 9.924435][ T234] console_flush_one_record+0x46f/0x710 [ 9.924439][ T234] ? console_emit_next_record+0x4c0/0x4c0 [ 9.924441][ T234] ? __lock_acquire+0x518/0xc20 [ 9.924446][ T234] console_unlock+0xee/0x1f0 [ 9.924448][ T234] ? console_flush_one_record+0x710/0x710 [ 9.924450][ T234] ? rcu_is_watching+0x16/0xd0 [ 9.924452][ T234] ? lock_acquire+0x60/0x160 [ 9.924456][ T234] ? __down_trylock_console_sem+0x5e/0xa0 [ 9.924458][ T234] ? vprintk_emit+0x320/0x3e0 [ 9.924461][ T234] vprintk_emit+0x37c/0x3e0 [ 9.924464][ T234] ? wake_up_klogd_work_func+0x90/0x90 [ 9.924468][ T234] ? __lock_acquire+0x518/0xc20 [ 9.924471][ T234] _printk+0xc7/0x100 [ 9.924475][ T234] ? snapshot_read.cold+0x21/0x21 [ 9.924477][ T234] ? do_raw_spin_lock+0x131/0x280 [ 9.924480][ T234] ? __rwlock_init+0x150/0x150 [ 9.924483][ T234] ? do_raw_spin_lock+0x131/0x280 [ 9.924486][ T234] do_exit.cold+0x82/0x9c [ 9.924490][ T234] ? exit_notify+0x890/0x890 [ 9.924492][ T234] ? __lock_release.isra.0+0x69/0x1a0 [ 9.924494][ T234] ? rcu_is_watching+0x16/0xd0 [ 9.924498][ T234] do_group_exit+0xb8/0x370 [ 9.924501][ T234] __x64_sys_exit_group+0x3c/0x50 [ 9.924503][ T234] x64_sys_call+0x1567/0x1570 [ 9.924505][ T234] do_syscall_64+0xff/0x530 [ 9.924508][ T234] ? exc_page_fault+0xee/0x100 [ 9.924511][ T234] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.924513][ T234] RIP: 0033:0x7f18405461b8 [ 9.924515][ T234] Code: Unable to access opcode bytes at 0x7f184054618e. [ 9.924516][ T234] RSP: 002b:00007ffcad598e48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.924519][ T234] RAX: ffffffffffffffda RBX: 00007f1840676f88 RCX: 00007f18405461b8 [ 9.924520][ T234] RDX: 00007f1840290fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.924521][ T234] RBP: 00007ffcad598ea0 R08: 0000000000000000 R09: 0000000000000050 [ 9.924522][ T234] R10: 00007ffcad598c60 R11: 0000000000000246 R12: 0000000000000001 [ 9.924523][ T234] R13: 0000000000000000 R14: 00007f1840675680 R15: 00007f1840676fa0 [ 9.924529][ T234] [ 10.420917][ T254] gre: GRE over IPv4 demultiplexer driver [ 10.448944][ T254] ip6_gre: GRE over IPv6 tunneling driver [ 10.512358][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 10.512414][ T12] [ 10.512415][ T12] ============================= [ 10.512417][ T12] WARNING: suspicious RCU usage [ 10.512418][ T12] 7.2.0-virtme #1 Tainted: G W [ 10.512420][ T12] ----------------------------- [ 10.512420][ T12] kernel/sched/core.c:9196 Illegal context switch in RCU-bh read-side critical section! [ 10.512422][ T12] [ 10.512422][ T12] other info that might help us debug this: [ 10.512422][ T12] [ 10.512423][ T12] [ 10.512423][ T12] rcu_scheduler_active = 2, debug_locks = 1 [ 10.512424][ T12] locks held by kworker/u16:0/12: 11, last CPU#0: [ 10.512425][ T12] #0: ff1100000893f140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 10.512437][ T12] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 10.512441][ T12] #2: ffffffff8ecd2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 10.512447][ T12] #3: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 10.512451][ T12] #4: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 10.512454][ T12] #5: ffffffff8e580aa0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fc/0x1b80 [ 10.512459][ T12] #6: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ip6_tunnel] [ 10.512464][ T12] #7: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.512469][ T12] #8: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.512472][ T12] #9: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.512476][ T12] #10: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.512479][ T12] [ 10.512479][ T12] stack backtrace: [ 10.512482][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.512485][ T12] Tainted: [W]=WARN [ 10.512486][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.512487][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 10.512491][ T12] Call Trace: [ 10.512492][ T12] [ 10.512494][ T12] dump_stack_lvl+0x6f/0xa0 [ 10.512500][ T12] lockdep_rcu_suspicious.cold+0x37/0x8a [ 10.512506][ T12] __might_resched+0x2ac/0x390 [ 10.512511][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.512514][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 10.512519][ T12] __kmalloc_noprof+0x443/0x760 [ 10.512521][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 10.512527][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 10.512530][ T12] alloc_buf.isra.0+0x4b/0x260 [ 10.512533][ T12] put_chars+0x1e1/0x2f0 [ 10.512535][ T12] ? check_prev_add+0x316/0xe90 [ 10.512537][ T12] ? __send_to_port+0x420/0x420 [ 10.512540][ T12] ? validate_chain+0x34a/0xc20 [ 10.512545][ T12] hvc_console_print+0x292/0x780 [ 10.512551][ T12] ? hvc_write+0x3a0/0x3a0 [ 10.512554][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512558][ T12] ? lock_acquire+0x13c/0x160 [ 10.512562][ T12] console_emit_next_record+0x22f/0x4c0 [ 10.512566][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 10.512567][ T12] ? console_flush_one_record+0x106/0x710 [ 10.512571][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512573][ T12] ? lock_acquire+0x13c/0x160 [ 10.512577][ T12] console_flush_one_record+0x46f/0x710 [ 10.512581][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 10.512583][ T12] ? __lock_acquire+0x518/0xc20 [ 10.512588][ T12] console_unlock+0xee/0x1f0 [ 10.512591][ T12] ? console_flush_one_record+0x710/0x710 [ 10.512593][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512595][ T12] ? lock_acquire+0x60/0x160 [ 10.512599][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.512601][ T12] ? vprintk_emit+0x320/0x3e0 [ 10.512604][ T12] vprintk_emit+0x37c/0x3e0 [ 10.512608][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 10.512611][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512616][ T12] _printk+0xc7/0x100 [ 10.512619][ T12] ? snapshot_read.cold+0x21/0x21 [ 10.512620][ T12] ? ___ratelimit+0x4e7/0xa00 [ 10.512626][ T12] ? idr_get_free+0x830/0x830 [ 10.512631][ T12] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ip6_tunnel] [ 10.512636][ T12] ip6gre_tunnel_xmit+0x1f5/0xd40 [ip6_gre] [ 10.512640][ T12] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 10.512643][ T12] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.512646][ T12] ? __bfs+0x1e6/0x310 [ 10.512649][ T12] ? mark_usage+0x61/0x170 [ 10.512651][ T12] ? netif_skb_features+0x658/0x1430 [ 10.512658][ T12] dev_hard_start_xmit+0xf4/0x620 [ 10.512661][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512665][ T12] __dev_queue_xmit+0xc0a/0x1b80 [ 10.512668][ T12] ? __lock_acquire+0x518/0xc20 [ 10.512670][ T12] ? ip6_ra_control+0x3ef/0x4c0 [ 10.512675][ T12] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 10.512677][ T12] ? find_held_lock+0x2b/0x80 [ 10.512680][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512681][ T12] ? __rwlock_init+0x150/0x150 [ 10.512683][ T12] ? mark_held_locks+0x40/0x70 [ 10.512686][ T12] ? lockdep_hardirqs_on+0x91/0x130 [ 10.512689][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.512691][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.512693][ T12] ? ___neigh_create+0x811/0x1070 [ 10.512699][ T12] ip6_finish_output2+0x423/0x1300 [ 10.512707][ T12] ? ip6_dst_lookup+0x80/0x80 [ 10.512709][ T12] ? find_held_lock+0x2b/0x80 [ 10.512712][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512715][ T12] ? ip6_mtu+0x15d/0x310 [ 10.512719][ T12] ip6_finish_output+0x646/0xda0 [ 10.512722][ T12] ip6_output+0x23f/0x7f0 [ 10.512730][ T12] ? ip6_finish_output+0xda0/0xda0 [ 10.512732][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.512734][ T12] ? find_held_lock+0x2b/0x80 [ 10.512737][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512738][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 10.512743][ T12] ndisc_send_skb+0xba3/0x1520 [ 10.512748][ T12] ? ndisc_recv_na+0xea0/0xea0 [ 10.512754][ T12] ? __asan_memset+0x27/0x50 [ 10.512759][ T12] addrconf_dad_completed+0x37e/0xe10 [ 10.512762][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.512764][ T12] ? addrconf_rs_timer+0x770/0x770 [ 10.512767][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512769][ T12] ? __rwlock_init+0x150/0x150 [ 10.512771][ T12] ? mark_held_locks+0x40/0x70 [ 10.512774][ T12] ? addrconf_dad_begin+0x2e1/0x540 [ 10.512776][ T12] addrconf_dad_begin+0x2e1/0x540 [ 10.512778][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.512781][ T12] ? addrconf_dad_completed+0xe10/0xe10 [ 10.512783][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 10.512785][ T12] ? __rwlock_init+0x150/0x150 [ 10.512787][ T12] ? mark_held_locks+0x40/0x70 [ 10.512791][ T12] addrconf_dad_work+0x170/0x930 [ 10.512795][ T12] ? addrconf_dad_begin+0x540/0x540 [ 10.512799][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512800][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512802][ T12] ? lock_acquire+0x13c/0x160 [ 10.512804][ T12] ? rcu_is_watching+0x16/0xd0 [ 10.512808][ T12] process_one_work+0xe3e/0x1560 [ 10.512815][ T12] ? __queue_delayed_work+0x470/0x470 [ 10.512817][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 10.512825][ T12] worker_thread+0x4f1/0xd60 [ 10.512832][ T12] ? rescuer_thread+0x1340/0x1340 [ 10.512834][ T12] kthread+0x367/0x460 [ 10.512836][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.512839][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 10.512841][ T12] ret_from_fork+0x474/0x6b0 [ 10.512845][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 10.512848][ T12] ? __switch_to+0x5a3/0xe00 [ 10.512852][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 10.512854][ T12] ret_from_fork_asm+0x11/0x20 [ 10.512862][ T12] [ 10.556626][ T12] ip6_tunnel: g1 xmit: Local address not yet configured! [ 10.570057][ T260] ip (260) used greatest stack depth: 23808 bytes left [ 10.982850][ T277] 8021q: 802.1Q VLAN Support v1.8 [ 10.982867][ T277] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.982869][ T277] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 277, name: modprobe [ 10.982871][ T277] preempt_count: 1, expected: 0 [ 10.982872][ T277] RCU nest depth: 0, expected: 0 [ 10.982873][ T277] locks held by modprobe/277: 4, last CPU#2: [ 10.982875][ T277] #0: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.982888][ T277] #1: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.982892][ T277] #2: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.982896][ T277] #3: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 10.982900][ T277] irq event stamp: 22612 [ 10.982900][ T277] hardirqs last enabled at (22611): [] __down_trylock_console_sem+0x86/0xa0 [ 10.982903][ T277] hardirqs last disabled at (22612): [] console_emit_next_record+0x3d4/0x4c0 [ 10.982905][ T277] softirqs last enabled at (21524): [] handle_softirqs+0x67c/0x900 [ 10.982908][ T277] softirqs last disabled at (21519): [] __irq_exit_rcu+0x145/0x1c0 [ 10.982910][ T277] Preemption disabled at: [ 10.982911][ T277] [] vprintk_emit+0x31b/0x3e0 [ 10.982916][ T277] CPU: 2 UID: 0 PID: 277 Comm: modprobe Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.982920][ T277] Tainted: [W]=WARN [ 10.982921][ T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.982922][ T277] Call Trace: [ 10.982924][ T277] [ 10.982926][ T277] dump_stack_lvl+0x6f/0xa0 [ 10.982931][ T277] ? vprintk_emit+0x31b/0x3e0 [ 10.982933][ T277] __might_resched.cold+0x1fe/0x2c1 [ 10.982938][ T277] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.982942][ T277] ? __kmalloc_noprof+0xdb/0x760 [ 10.982947][ T277] __kmalloc_noprof+0x443/0x760 [ 10.982949][ T277] ? alloc_buf.isra.0+0x4b/0x260 [ 10.982955][ T277] ? do_raw_spin_unlock+0x59/0x250 [ 10.982957][ T277] alloc_buf.isra.0+0x4b/0x260 [ 10.982960][ T277] put_chars+0x1e1/0x2f0 [ 10.982963][ T277] ? __send_to_port+0x420/0x420 [ 10.982964][ T277] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.982969][ T277] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.982971][ T277] ? validate_chain+0x38b/0xc20 [ 10.982975][ T277] hvc_console_print+0x292/0x780 [ 10.982978][ T277] ? __lock_acquire+0x518/0xc20 [ 10.982983][ T277] ? hvc_write+0x3a0/0x3a0 [ 10.982985][ T277] ? rcu_is_watching+0x16/0xd0 [ 10.982990][ T277] console_emit_next_record+0x22f/0x4c0 [ 10.982994][ T277] ? devkmsg_read+0x4b0/0x4b0 [ 10.982996][ T277] ? console_flush_one_record+0x106/0x710 [ 10.982999][ T277] ? rcu_is_watching+0x16/0xd0 [ 10.983001][ T277] ? lock_acquire+0x13c/0x160 [ 10.983005][ T277] console_flush_one_record+0x46f/0x710 [ 10.983009][ T277] ? console_emit_next_record+0x4c0/0x4c0 [ 10.983011][ T277] ? __lock_acquire+0x518/0xc20 [ 10.983015][ T277] console_unlock+0xee/0x1f0 [ 10.983018][ T277] ? console_flush_one_record+0x710/0x710 [ 10.983020][ T277] ? rcu_is_watching+0x16/0xd0 [ 10.983022][ T277] ? lock_acquire+0x60/0x160 [ 10.983026][ T277] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.983027][ T277] ? vprintk_emit+0x320/0x3e0 [ 10.983031][ T277] vprintk_emit+0x37c/0x3e0 [ 10.983035][ T277] ? wake_up_klogd_work_func+0x90/0x90 [ 10.983040][ T277] ? gre_exit+0x3f0/0x3f0 [gre] [ 10.983043][ T277] _printk+0xc7/0x100 [ 10.983046][ T277] ? snapshot_read.cold+0x21/0x21 [ 10.983052][ T277] ? do_one_initcall+0x113/0x4f0 [ 10.983055][ T277] vlan_proto_init+0x24/0x90 [8021q] [ 10.983059][ T277] do_one_initcall+0x124/0x4f0 [ 10.983061][ T277] ? trace_event_raw_event_initcall_level+0x280/0x280 [ 10.983066][ T277] ? do_init_module+0xae/0x8a0 [ 10.983069][ T277] ? kasan_unpoison+0x44/0x70 [ 10.983073][ T277] do_init_module+0x2ad/0x8a0 [ 10.983077][ T277] ? lockdep_hardirqs_on+0x91/0x130 [ 10.983081][ T277] ? free_module+0x470/0x470 [ 10.983084][ T277] ? kfree+0x123/0x590 [ 10.983088][ T277] load_module+0x1424/0x1bb0 [ 10.983095][ T277] ? layout_and_allocate.isra.0+0x680/0x680 [ 10.983098][ T277] ? __ia32_sys_fsconfig+0x180/0x180 [ 10.983101][ T277] ? ovl_real_file+0x172/0x1e0 [ 10.983105][ T277] ? backing_file_read_iter+0x541/0x790 [ 10.983108][ T277] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.983112][ T277] init_module_from_file+0x11f/0x1a0 [ 10.983115][ T277] ? __do_sys_init_module+0x220/0x220 [ 10.983123][ T277] ? __rwlock_init+0x150/0x150 [ 10.983126][ T277] ? do_raw_spin_unlock+0x59/0x250 [ 10.983129][ T277] idempotent_init_module+0x37b/0x7c0 [ 10.983132][ T277] ? init_module_from_file+0x1a0/0x1a0 [ 10.983138][ T277] ? rcu_is_watching+0x16/0xd0 [ 10.983141][ T277] ? cap_capable+0x1d7/0x3d0 [ 10.983146][ T277] __x64_sys_finit_module+0xdf/0x190 [ 10.983148][ T277] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.983152][ T277] do_syscall_64+0xff/0x530 [ 10.983154][ T277] ? exc_page_fault+0xee/0x100 [ 10.983156][ T277] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.983158][ T277] RIP: 0033:0x7f44ae86f37d [ 10.983161][ T277] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 [ 10.983163][ T277] RSP: 002b:00007ffe1656bff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 10.983166][ T277] RAX: ffffffffffffffda RBX: 000055a8d6db9810 RCX: 00007f44ae86f37d [ 10.983168][ T277] RDX: 0000000000000000 RSI: 000055a8a1c57ffd RDI: 0000000000000000 [ 10.983169][ T277] RBP: 00007ffe1656c090 R08: 0000000000000000 R09: 0000000000000000 [ 10.983169][ T277] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a8a1c57ffd [ 10.983170][ T277] R13: 000055a8d6db9960 R14: 0000000000040000 R15: 0000000000000000 [ 10.983177][ T277] [ 11.967619][ T315] GACT probability NOT on [ 12.362547][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 12.362563][ T12] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 12.362565][ T12] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u16:0 [ 12.362567][ T12] preempt_count: 201, expected: 0 [ 12.362568][ T12] RCU nest depth: 3, expected: 0 [ 12.362569][ T12] locks held by kworker/u16:0/12: 11, last CPU#1: [ 12.362571][ T12] #0: ff1100000893f140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xd9a/0x1560 [ 12.362583][ T12] #1: ffa00000000c7d10 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0xdfc/0x1560 [ 12.362587][ T12] #2: ffffffff8ecd2c40 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x11a/0x930 [ 12.362592][ T12] #3: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ndisc_send_skb+0x175/0x1520 [ 12.362596][ T12] #4: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ip6_output+0x11d/0x7f0 [ 12.362599][ T12] #5: ffffffff8e580aa0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1fc/0x1b80 [ 12.362605][ T12] #6: ffffffff8e580b00 (rcu_read_lock){....}-{1:3}, at: ip6_tnl_xmit_ctl+0xfd/0x390 [ip6_tunnel] [ 12.362611][ T12] #7: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 12.362616][ T12] #8: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 12.362619][ T12] #9: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 12.362622][ T12] #10: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 12.362626][ T12] irq event stamp: 11457 [ 12.362627][ T12] hardirqs last enabled at (11456): [] __down_trylock_console_sem+0x86/0xa0 [ 12.362630][ T12] hardirqs last disabled at (11457): [] console_emit_next_record+0x3d4/0x4c0 [ 12.362632][ T12] softirqs last enabled at (11448): [] ___neigh_create+0x811/0x1070 [ 12.362635][ T12] softirqs last disabled at (11450): [] __dev_queue_xmit+0x1fc/0x1b80 [ 12.362637][ T12] Preemption disabled at: [ 12.362638][ T12] [] __dev_queue_xmit+0x204/0x1b80 [ 12.362643][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 12.362646][ T12] Tainted: [W]=WARN [ 12.362647][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.362649][ T12] Workqueue: ipv6_addrconf addrconf_dad_work [ 12.362652][ T12] Call Trace: [ 12.362654][ T12] [ 12.362656][ T12] dump_stack_lvl+0x6f/0xa0 [ 12.362662][ T12] ? __dev_queue_xmit+0x204/0x1b80 [ 12.362664][ T12] __might_resched.cold+0x1fe/0x2c1 [ 12.362669][ T12] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 12.362673][ T12] ? __kmalloc_noprof+0xdb/0x760 [ 12.362678][ T12] __kmalloc_noprof+0x443/0x760 [ 12.362680][ T12] ? alloc_buf.isra.0+0x4b/0x260 [ 12.362686][ T12] ? do_raw_spin_unlock+0x59/0x250 [ 12.362688][ T12] alloc_buf.isra.0+0x4b/0x260 [ 12.362691][ T12] put_chars+0x1e1/0x2f0 [ 12.362694][ T12] ? __send_to_port+0x420/0x420 [ 12.362697][ T12] ? validate_chain+0x38b/0xc20 [ 12.362706][ T12] hvc_console_print+0x292/0x780 [ 12.362712][ T12] ? hvc_write+0x3a0/0x3a0 [ 12.362714][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362718][ T12] ? lock_acquire+0x13c/0x160 [ 12.362722][ T12] console_emit_next_record+0x22f/0x4c0 [ 12.362726][ T12] ? devkmsg_read+0x4b0/0x4b0 [ 12.362728][ T12] ? console_flush_one_record+0x106/0x710 [ 12.362731][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362738][ T12] ? lock_acquire+0x13c/0x160 [ 12.362742][ T12] console_flush_one_record+0x46f/0x710 [ 12.362747][ T12] ? console_emit_next_record+0x4c0/0x4c0 [ 12.362748][ T12] ? __lock_acquire+0x518/0xc20 [ 12.362754][ T12] console_unlock+0xee/0x1f0 [ 12.362756][ T12] ? console_flush_one_record+0x710/0x710 [ 12.362758][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362761][ T12] ? lock_acquire+0x60/0x160 [ 12.362764][ T12] ? __down_trylock_console_sem+0x5e/0xa0 [ 12.362766][ T12] ? vprintk_emit+0x320/0x3e0 [ 12.362769][ T12] vprintk_emit+0x37c/0x3e0 [ 12.362773][ T12] ? wake_up_klogd_work_func+0x90/0x90 [ 12.362776][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362781][ T12] _printk+0xc7/0x100 [ 12.362785][ T12] ? snapshot_read.cold+0x21/0x21 [ 12.362786][ T12] ? ___ratelimit+0x4e7/0xa00 [ 12.362792][ T12] ? idr_get_free+0x830/0x830 [ 12.362797][ T12] ip6_tnl_xmit_ctl.cold+0x75/0x7a [ip6_tunnel] [ 12.362802][ T12] ip6gre_tunnel_xmit+0x1f5/0xd40 [ip6_gre] [ 12.362806][ T12] ? stack_access_ok+0x1e0/0x1e0 [ 12.362809][ T12] ? __gre6_xmit+0x1910/0x1910 [ip6_gre] [ 12.362812][ T12] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 12.362814][ T12] ? rcu_read_lock_any_held+0x3c/0x90 [ 12.362817][ T12] ? validate_chain+0x38b/0xc20 [ 12.362819][ T12] ? write_profile+0xf0/0xf0 [ 12.362821][ T12] ? mark_usage+0x61/0x170 [ 12.362823][ T12] ? netif_skb_features+0x658/0x1430 [ 12.362830][ T12] dev_hard_start_xmit+0xf4/0x620 [ 12.362834][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362837][ T12] __dev_queue_xmit+0xc0a/0x1b80 [ 12.362841][ T12] ? __lock_acquire+0x518/0xc20 [ 12.362846][ T12] ? netdev_core_pick_tx+0x2c0/0x2c0 [ 12.362848][ T12] ? find_held_lock+0x2b/0x80 [ 12.362850][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362856][ T12] ? ___neigh_create+0x811/0x1070 [ 12.362861][ T12] ip6_finish_output2+0x423/0x1300 [ 12.362865][ T12] ? ip6_dst_lookup+0x80/0x80 [ 12.362867][ T12] ? find_held_lock+0x2b/0x80 [ 12.362870][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362873][ T12] ? ip6_mtu+0x15d/0x310 [ 12.362877][ T12] ip6_finish_output+0x646/0xda0 [ 12.362880][ T12] ip6_output+0x23f/0x7f0 [ 12.362883][ T12] ? ip6_finish_output+0xda0/0xda0 [ 12.362885][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.362887][ T12] ? find_held_lock+0x2b/0x80 [ 12.362890][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362891][ T12] ? __local_bh_enable_ip+0xaa/0x150 [ 12.362897][ T12] ndisc_send_skb+0xba3/0x1520 [ 12.362902][ T12] ? ndisc_recv_na+0xea0/0xea0 [ 12.362908][ T12] ? __asan_memset+0x27/0x50 [ 12.362913][ T12] addrconf_dad_completed+0x37e/0xe10 [ 12.362916][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.362918][ T12] ? addrconf_rs_timer+0x770/0x770 [ 12.362921][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362923][ T12] ? __rwlock_init+0x150/0x150 [ 12.362925][ T12] ? mark_held_locks+0x40/0x70 [ 12.362929][ T12] ? addrconf_dad_begin+0x2e1/0x540 [ 12.362931][ T12] addrconf_dad_begin+0x2e1/0x540 [ 12.362933][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.362936][ T12] ? addrconf_dad_completed+0xe10/0xe10 [ 12.362938][ T12] ? __lock_release.isra.0+0x69/0x1a0 [ 12.362939][ T12] ? __rwlock_init+0x150/0x150 [ 12.362941][ T12] ? mark_held_locks+0x40/0x70 [ 12.362945][ T12] addrconf_dad_work+0x170/0x930 [ 12.362949][ T12] ? addrconf_dad_begin+0x540/0x540 [ 12.362952][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362954][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362956][ T12] ? lock_acquire+0x13c/0x160 [ 12.362958][ T12] ? rcu_is_watching+0x16/0xd0 [ 12.362962][ T12] process_one_work+0xe3e/0x1560 [ 12.362968][ T12] ? __queue_delayed_work+0x470/0x470 [ 12.362971][ T12] ? lock_acquire.part.0+0xd4/0x280 [ 12.362978][ T12] worker_thread+0x4f1/0xd60 [ 12.362985][ T12] ? rescuer_thread+0x1340/0x1340 [ 12.362987][ T12] kthread+0x367/0x460 [ 12.362989][ T12] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 12.362992][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.362995][ T12] ret_from_fork+0x474/0x6b0 [ 12.362998][ T12] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 12.363002][ T12] ? __switch_to+0x5a3/0xe00 [ 12.363005][ T12] ? kthread_affine_preferred+0x4c0/0x4c0 [ 12.363007][ T12] ret_from_fork_asm+0x11/0x20 [ 12.363016][ T12] [ 12.428730][ T12] ip6_tunnel: g2 xmit: Local address not yet configured! [ 329.706383][T14196] ping6 (14196) used greatest stack depth: 23456 bytes left [ 329.706404][T14196] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 329.706407][T14196] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 14196, name: ping6 [ 329.706409][T14196] preempt_count: 2, expected: 0 [ 329.706410][T14196] RCU nest depth: 0, expected: 0 [ 329.706412][T14196] locks held by ping6/14196: 5, last CPU#3: [ 329.706414][T14196] #0: ffffffff8e4027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 329.706428][T14196] #1: ffffffff8e569cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 329.706434][T14196] #2: ffffffff8e569d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 329.706438][T14196] #3: ffffffff8e489660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 329.706442][T14196] #4: ffffffff8e489560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x1df/0x4c0 [ 329.706447][T14196] irq event stamp: 11074 [ 329.706448][T14196] hardirqs last enabled at (11073): [] __down_trylock_console_sem+0x86/0xa0 [ 329.706450][T14196] hardirqs last disabled at (11074): [] console_emit_next_record+0x3d4/0x4c0 [ 329.706452][T14196] softirqs last enabled at (10260): [] sk_common_release+0x16b/0x310 [ 329.706456][T14196] softirqs last disabled at (10258): [] sk_common_release+0xc2/0x310 [ 329.706458][T14196] Preemption disabled at: [ 329.706459][T14196] [<0000000000000000>] 0x0 [ 329.706466][T14196] CPU: 3 UID: 0 PID: 14196 Comm: ping6 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 329.706469][T14196] Tainted: [W]=WARN [ 329.706470][T14196] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 329.706472][T14196] Call Trace: [ 329.706474][T14196] [ 329.706475][T14196] dump_stack_lvl+0x6f/0xa0 [ 329.706482][T14196] __might_resched.cold+0x1fe/0x2c1 [ 329.706486][T14196] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 329.706490][T14196] ? __kmalloc_noprof+0xdb/0x760 [ 329.706501][T14196] __kmalloc_noprof+0x443/0x760 [ 329.706504][T14196] ? alloc_buf.isra.0+0x4b/0x260 [ 329.706509][T14196] ? do_raw_spin_unlock+0x59/0x250 [ 329.706512][T14196] alloc_buf.isra.0+0x4b/0x260 [ 329.706515][T14196] put_chars+0x1e1/0x2f0 [ 329.706518][T14196] ? __send_to_port+0x420/0x420 [ 329.706519][T14196] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 329.706524][T14196] ? validate_chain+0x38b/0xc20 [ 329.706529][T14196] hvc_console_print+0x292/0x780 [ 329.706535][T14196] ? hvc_write+0x3a0/0x3a0 [ 329.706537][T14196] ? rcu_is_watching+0x16/0xd0 [ 329.706539][T14196] ? lock_acquire+0x13c/0x160 [ 329.706543][T14196] console_emit_next_record+0x22f/0x4c0 [ 329.706547][T14196] ? devkmsg_read+0x4b0/0x4b0 [ 329.706549][T14196] ? console_flush_one_record+0x106/0x710 [ 329.706552][T14196] ? rcu_is_watching+0x16/0xd0 [ 329.706555][T14196] ? lock_acquire+0x13c/0x160 [ 329.706558][T14196] console_flush_one_record+0x46f/0x710 [ 329.706563][T14196] ? console_emit_next_record+0x4c0/0x4c0 [ 329.706564][T14196] ? __lock_acquire+0x518/0xc20 [ 329.706569][T14196] console_unlock+0xee/0x1f0 [ 329.706572][T14196] ? console_flush_one_record+0x710/0x710 [ 329.706574][T14196] ? rcu_is_watching+0x16/0xd0 [ 329.706576][T14196] ? lock_acquire+0x60/0x160 [ 329.706580][T14196] ? __down_trylock_console_sem+0x5e/0xa0 [ 329.706582][T14196] ? vprintk_emit+0x320/0x3e0 [ 329.706585][T14196] vprintk_emit+0x37c/0x3e0 [ 329.706589][T14196] ? wake_up_klogd_work_func+0x90/0x90 [ 329.706592][T14196] ? __lock_acquire+0x518/0xc20 [ 329.706596][T14196] _printk+0xc7/0x100 [ 329.706600][T14196] ? snapshot_read.cold+0x21/0x21 [ 329.706602][T14196] ? do_raw_spin_lock+0x131/0x280 [ 329.706605][T14196] ? __rwlock_init+0x150/0x150 [ 329.706609][T14196] ? do_raw_spin_lock+0x131/0x280 [ 329.706611][T14196] do_exit.cold+0x82/0x9c [ 329.706615][T14196] ? exit_notify+0x890/0x890 [ 329.706617][T14196] ? __lock_release.isra.0+0x69/0x1a0 [ 329.706620][T14196] ? rcu_is_watching+0x16/0xd0 [ 329.706624][T14196] do_group_exit+0xb8/0x370 [ 329.706627][T14196] __x64_sys_exit_group+0x3c/0x50 [ 329.706628][T14196] x64_sys_call+0x1567/0x1570 [ 329.706631][T14196] do_syscall_64+0xff/0x530 [ 329.706633][T14196] ? exc_page_fault+0xee/0x100 [ 329.706637][T14196] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 329.706639][T14196] RIP: 0033:0x7f32192841b8 [ 329.706641][T14196] Code: Unable to access opcode bytes at 0x7f321928418e. [ 329.706642][T14196] RSP: 002b:00007ffd83412c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 329.706645][T14196] RAX: ffffffffffffffda RBX: 00007f32193b4f88 RCX: 00007f32192841b8 [ 329.706646][T14196] RDX: 00007f32190157c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 329.706647][T14196] RBP: 00007ffd83412ce0 R08: 0000000000000000 R09: 0000000000001010 [ 329.706648][T14196] R10: 00007ffd83412b00 R11: 0000000000000246 R12: 0000000000000002 [ 329.706649][T14196] R13: 0000000000000000 R14: 00007f32193b3680 R15: 00007f32193b4fa0 [ 329.706656][T14196]