[ 10.105626][ T182] netdevsim netdevsim19150 eni19150np1: renamed from eth0 [ 10.105686][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 10.105689][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: (udev-worker) [ 10.105691][ T182] preempt_count: 1, expected: 0 [ 10.105692][ T182] RCU nest depth: 0, expected: 0 [ 10.105693][ T182] locks held by (udev-worker)/182: 6, last CPU#1: [ 10.105695][ T182] #0: ffffffffb6505fc0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_setlink+0x29d/0x920 [ 10.105706][ T182] #1: ff1100000c0f2de8 (&dev_instance_lock_key#2){+.+.}-{4:4}, at: do_setlink.isra.0+0x27a/0x2a60 [ 10.105711][ T182] #2: ffffffffb5d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 10.105716][ T182] #3: ffffffffb5d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 10.105720][ T182] #4: ffffffffb5c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 10.105723][ T182] #5: ffffffffb5c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 10.105727][ T182] irq event stamp: 33404 [ 10.105728][ T182] hardirqs last enabled at (33403): [] __down_trylock_console_sem+0x86/0xa0 [ 10.105731][ T182] hardirqs last disabled at (33404): [] console_emit_next_record+0x3f8/0x4f0 [ 10.105733][ T182] softirqs last enabled at (33398): [] netif_change_name+0x216/0x8c0 [ 10.105737][ T182] softirqs last disabled at (33396): [] netif_change_name+0x1ad/0x8c0 [ 10.105739][ T182] Preemption disabled at: [ 10.105739][ T182] [] vprintk_emit+0x31b/0x3e0 [ 10.105744][ T182] CPU: 1 UID: 0 PID: 182 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 10.105748][ T182] Tainted: [W]=WARN [ 10.105749][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.105751][ T182] Call Trace: [ 10.105752][ T182] [ 10.105754][ T182] dump_stack_lvl+0x6f/0xa0 [ 10.105760][ T182] ? vprintk_emit+0x31b/0x3e0 [ 10.105761][ T182] __might_resched.cold+0x1fe/0x2c1 [ 10.105766][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 10.105770][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 10.105775][ T182] __kmalloc_noprof+0x443/0x760 [ 10.105778][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 10.105784][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 10.105787][ T182] alloc_buf.isra.0+0x4b/0x260 [ 10.105791][ T182] put_chars+0x1e1/0x2f0 [ 10.105794][ T182] ? __send_to_port+0x420/0x420 [ 10.105797][ T182] ? validate_chain+0x34a/0xc20 [ 10.105803][ T182] hvc_console_print+0x292/0x780 [ 10.105805][ T182] ? __lock_acquire+0x518/0xc20 [ 10.105811][ T182] ? hvc_write+0x3a0/0x3a0 [ 10.105814][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105820][ T182] console_emit_next_record+0x252/0x4f0 [ 10.105824][ T182] ? devkmsg_read+0x4e0/0x4e0 [ 10.105828][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105830][ T182] ? lock_acquire+0x13c/0x160 [ 10.105834][ T182] console_flush_one_record+0x46f/0x710 [ 10.105838][ T182] ? console_emit_next_record+0x4f0/0x4f0 [ 10.105840][ T182] ? __lock_acquire+0x518/0xc20 [ 10.105846][ T182] console_unlock+0xee/0x1f0 [ 10.105849][ T182] ? console_flush_one_record+0x710/0x710 [ 10.105850][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105852][ T182] ? lock_acquire+0x60/0x160 [ 10.105856][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 10.105858][ T182] ? vprintk_emit+0x320/0x3e0 [ 10.105861][ T182] vprintk_emit+0x37c/0x3e0 [ 10.105864][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 10.105866][ T182] ? write_profile+0xf0/0xf0 [ 10.105868][ T182] ? unwind_get_return_address+0x67/0xd0 [ 10.105875][ T182] dev_vprintk_emit+0x27f/0x2c0 [ 10.105880][ T182] ? device_rename.cold+0xa/0xa [ 10.105884][ T182] ? filter_irq_stacks+0xd0/0xd0 [ 10.105889][ T182] dev_printk_emit+0xb9/0xee [ 10.105892][ T182] ? dev_vprintk_emit+0x2c0/0x2c0 [ 10.105896][ T182] ? check_prev_add+0x316/0xe90 [ 10.105901][ T182] __netdev_printk+0x160/0x1d0 [ 10.105907][ T182] netdev_info+0xe2/0x116 [ 10.105914][ T182] ? netdev_notice+0x120/0x120 [ 10.105916][ T182] ? find_held_lock+0x2b/0x80 [ 10.105920][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 10.105922][ T182] ? mark_held_locks+0x40/0x70 [ 10.105926][ T182] ? do_setlink.isra.0+0x1f7d/0x2a60 [ 10.105928][ T182] netif_change_name.cold+0x4f/0x89 [ 10.105930][ T182] ? lockdep_hardirqs_on+0x91/0x130 [ 10.105933][ T182] ? irqentry_exit+0x21c/0x790 [ 10.105935][ T182] ? irqentry_exit+0x21c/0x790 [ 10.105937][ T182] ? lockdep_hardirqs_off+0x97/0xf0 [ 10.105939][ T182] ? sysvec_apic_timer_interrupt+0xaa/0xe0 [ 10.105941][ T182] ? netdev_adjacent_rename_links+0x470/0x470 [ 10.105945][ T182] ? trace_contention_end+0x34/0x180 [ 10.105949][ T182] do_setlink.isra.0+0x1f7d/0x2a60 [ 10.105952][ T182] ? __lock_acquire+0x518/0xc20 [ 10.105955][ T182] ? rtnl_link_get_size+0x350/0x350 [ 10.105957][ T182] ? mark_usage+0x61/0x170 [ 10.105959][ T182] ? rcu_lockdep_current_cpu_online+0x3f/0x1b0 [ 10.105961][ T182] ? rcu_read_lock_any_held+0x3c/0x90 [ 10.105964][ T182] ? validate_chain+0x38b/0xc20 [ 10.105969][ T182] ? __lock_acquire+0x518/0xc20 [ 10.105973][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 10.105975][ T182] ? rtnl_setlink+0x29d/0x920 [ 10.105978][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105980][ T182] ? lock_acquire+0x13c/0x160 [ 10.105982][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105983][ T182] ? rcu_is_watching+0x16/0xd0 [ 10.105985][ T182] ? trace_contention_end+0xb3/0x180 [ 10.105987][ T182] ? __mutex_lock+0x1db/0x1ea0 [ 10.105989][ T182] ? __mutex_lock+0x9a3/0x1ea0 [ 10.105991][ T182] ? __lock_acquire+0x518/0xc20 [ 10.105993][ T182] ? rtnl_setlink+0x29d/0x920 [ 10.105995][ T182] ? mark_usage+0x61/0x170 [ 10.105998][ T182] ? ww_mutex_lock+0x160/0x160 [ 10.106000][ T182] ? nla_get_range_signed+0x3d0/0x3d0 [ 10.106006][ T182] ? mark_usage+0x61/0x170 [ 10.106009][ T182] ? cap_capable+0x1d7/0x3d0 [ 10.106017][ T182] rtnl_setlink+0x527/0x920 [ 10.106020][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 10.106022][ T182] ? __lock_acquire+0x518/0xc20 [ 10.106044][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 10.106046][ T182] ? find_held_lock+0x2b/0x80 [ 10.106049][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 10.106051][ T182] ? mark_usage+0x61/0x170 [ 10.106053][ T182] ? __lock_acquire+0x518/0xc20 [ 10.106057][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 10.106059][ T182] ? find_held_lock+0x2b/0x80 [ 10.106061][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 10.106064][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 10.106067][ T182] ? __rtnl_newlink+0xa50/0xa50 [ 10.106070][ T182] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 10.106073][ T182] ? rtnl_link_fill+0x900/0x900 [ 10.106075][ T182] ? __lock_acquire+0x518/0xc20 [ 10.106080][ T182] ? lock_acquire.part.0+0xd4/0x280 [ 10.106081][ T182] ? find_held_lock+0x2b/0x80 [ 10.106085][ T182] netlink_rcv_skb+0x14e/0x3a0 [ 10.106088][ T182] ? rtnl_link_fill+0x900/0x900 [ 10.106092][ T182] ? netlink_ack+0xcd0/0xcd0 [ 10.106098][ T182] ? netlink_deliver_tap+0xc5/0x330 [ 10.106100][ T182] ? netlink_deliver_tap+0x13c/0x330 [ 10.106105][ T182] netlink_unicast+0x486/0x750 [ 10.106109][ T182] ? netlink_attachskb+0x810/0x810 [ 10.106111][ T182] ? __lock_acquire+0x518/0xc20 [ 10.106116][ T182] netlink_sendmsg+0x735/0xc60 [ 10.106120][ T182] ? netlink_unicast+0x750/0x750 [ 10.106124][ T182] ? __might_fault+0x97/0x140 [ 10.106128][ T182] ? __might_fault+0x97/0x140 [ 10.106132][ T182] __sys_sendto+0x2aa/0x400 [ 10.106135][ T182] ? __ia32_sys_getpeername+0xd0/0xd0 [ 10.106145][ T182] ? exc_page_fault+0x87/0x100 [ 10.106150][ T182] __x64_sys_sendto+0xe4/0x1f0 [ 10.106152][ T182] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 10.106155][ T182] ? lockdep_hardirqs_on+0x91/0x130 [ 10.106156][ T182] ? do_syscall_64+0xa6/0x530 [ 10.106159][ T182] do_syscall_64+0xff/0x530 [ 10.106161][ T182] ? exc_page_fault+0xee/0x100 [ 10.106163][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 10.106165][ T182] RIP: 0033:0x7fa53bab654e [ 10.106169][ T182] 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 [ 10.106171][ T182] RSP: 002b:00007ffd9a4a2930 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.106174][ T182] RAX: ffffffffffffffda RBX: 0000564c41624c50 RCX: 00007fa53bab654e [ 10.106175][ T182] RDX: 0000000000000030 RSI: 0000564c41612210 RDI: 0000000000000012 [ 10.106176][ T182] RBP: 00007ffd9a4a2940 R08: 00007ffd9a4a2990 R09: 0000000000000080 [ 10.106177][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 0000564c41791ee0 [ 10.106178][ T182] R13: 00007ffd9a4a2a74 R14: 0000000000000000 R15: 0000000000000000 [ 10.106184][ T182] [ 10.351868][ T182] netdevsim netdevsim32137 eni32137np1: renamed from eth0 [ 10.684091][ T199] ip (199) used greatest stack depth: 24488 bytes left [ 14.523486][ T182] (udev-worker) (182) used greatest stack depth: 22696 bytes left [ 14.523506][ T182] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 14.523508][ T182] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 182, name: (udev-worker) [ 14.523510][ T182] preempt_count: 2, expected: 0 [ 14.523511][ T182] RCU nest depth: 0, expected: 0 [ 14.523512][ T182] locks held by (udev-worker)/182: 5, last CPU#2: [ 14.523514][ T182] #0: ffffffffb5c027b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x887/0xdc0 [ 14.523526][ T182] #1: ffffffffb5d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 14.523531][ T182] #2: ffffffffb5d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 14.523535][ T182] #3: ffffffffb5c89660 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 14.523539][ T182] #4: ffffffffb5c89560 (printk_legacy_map-wait-type-override){....}-{3:3}, at: console_emit_next_record+0x202/0x4f0 [ 14.523543][ T182] irq event stamp: 141106 [ 14.523544][ T182] hardirqs last enabled at (141105): [] __down_trylock_console_sem+0x86/0xa0 [ 14.523547][ T182] hardirqs last disabled at (141106): [] console_emit_next_record+0x3f8/0x4f0 [ 14.523550][ T182] softirqs last enabled at (141040): [] netlink_release+0x17b/0xcf0 [ 14.523554][ T182] softirqs last disabled at (141038): [] netlink_release+0xd2/0xcf0 [ 14.523557][ T182] Preemption disabled at: [ 14.523557][ T182] [<0000000000000000>] 0x0 [ 14.523564][ T182] CPU: 2 UID: 0 PID: 182 Comm: (udev-worker) Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 14.523567][ T182] Tainted: [W]=WARN [ 14.523568][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.523570][ T182] Call Trace: [ 14.523572][ T182] [ 14.523573][ T182] dump_stack_lvl+0x6f/0xa0 [ 14.523580][ T182] __might_resched.cold+0x1fe/0x2c1 [ 14.523585][ T182] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 14.523589][ T182] ? __kmalloc_noprof+0xdb/0x760 [ 14.523595][ T182] __kmalloc_noprof+0x443/0x760 [ 14.523598][ T182] ? alloc_buf.isra.0+0x4b/0x260 [ 14.523605][ T182] ? do_raw_spin_unlock+0x59/0x250 [ 14.523607][ T182] alloc_buf.isra.0+0x4b/0x260 [ 14.523611][ T182] put_chars+0x1e1/0x2f0 [ 14.523614][ T182] ? __send_to_port+0x420/0x420 [ 14.523616][ T182] ? printk_get_next_message+0x2fe/0x7d0 [ 14.523619][ T182] ? rcu_read_lock_any_held+0x3c/0x90 [ 14.523623][ T182] ? validate_chain+0x38b/0xc20 [ 14.523628][ T182] hvc_console_print+0x292/0x780 [ 14.523631][ T182] ? __lock_acquire+0x518/0xc20 [ 14.523633][ T182] ? __lock_acquire+0x518/0xc20 [ 14.523638][ T182] ? hvc_write+0x3a0/0x3a0 [ 14.523643][ T182] ? rcu_is_watching+0x16/0xd0 [ 14.523645][ T182] ? lock_acquire+0x13c/0x160 [ 14.523649][ T182] console_emit_next_record+0x252/0x4f0 [ 14.523654][ T182] ? devkmsg_read+0x4e0/0x4e0 [ 14.523658][ T182] ? rcu_is_watching+0x16/0xd0 [ 14.523660][ T182] ? lock_acquire+0x13c/0x160 [ 14.523664][ T182] console_flush_one_record+0x46f/0x710 [ 14.523668][ T182] ? console_emit_next_record+0x4f0/0x4f0 [ 14.523670][ T182] ? __lock_acquire+0x518/0xc20 [ 14.523675][ T182] console_unlock+0xee/0x1f0 [ 14.523678][ T182] ? console_flush_one_record+0x710/0x710 [ 14.523680][ T182] ? rcu_is_watching+0x16/0xd0 [ 14.523682][ T182] ? lock_acquire+0x60/0x160 [ 14.523686][ T182] ? __down_trylock_console_sem+0x5e/0xa0 [ 14.523687][ T182] ? vprintk_emit+0x320/0x3e0 [ 14.523690][ T182] vprintk_emit+0x37c/0x3e0 [ 14.523693][ T182] ? wake_up_klogd_work_func+0x90/0x90 [ 14.523696][ T182] ? __lock_acquire+0x518/0xc20 [ 14.523700][ T182] _printk+0xc7/0x100 [ 14.523703][ T182] ? snapshot_read.cold+0x21/0x21 [ 14.523707][ T182] ? do_raw_spin_lock+0x131/0x280 [ 14.523709][ T182] ? __rwlock_init+0x150/0x150 [ 14.523713][ T182] ? do_raw_spin_lock+0x131/0x280 [ 14.523716][ T182] do_exit.cold+0x82/0x9c [ 14.523720][ T182] ? exit_notify+0x890/0x890 [ 14.523721][ T182] ? __lock_release.isra.0+0x69/0x1a0 [ 14.523724][ T182] ? rcu_is_watching+0x16/0xd0 [ 14.523728][ T182] do_group_exit+0xb8/0x370 [ 14.523730][ T182] __x64_sys_exit_group+0x3c/0x50 [ 14.523732][ T182] x64_sys_call+0x1567/0x1570 [ 14.523735][ T182] do_syscall_64+0xff/0x530 [ 14.523738][ T182] ? exc_page_fault+0xee/0x100 [ 14.523741][ T182] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.523744][ T182] RIP: 0033:0x7fa53bb071b8 [ 14.523746][ T182] Code: Unable to access opcode bytes at 0x7fa53bb0718e. [ 14.523747][ T182] RSP: 002b:00007ffd9a4a2e88 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 14.523750][ T182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa53bb071b8 [ 14.523751][ T182] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 14.523752][ T182] RBP: 00007ffd9a4a3010 R08: 0000564c417af698 R09: 0000000000000000 [ 14.523753][ T182] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 [ 14.523753][ T182] R13: 00007fa53b365050 R14: 00007fa53c038d9e R15: 0000564c417a0ca0 [ 14.523760][ T182] [ 27.909447][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 27.909648][ C0] [ 27.909650][ C0] ======================================================== [ 27.909651][ C0] WARNING: possible irq lock inversion dependency detected [ 27.909653][ C0] 7.2.0-virtme #1 Tainted: G W [ 27.909654][ C0] -------------------------------------------------------- [ 27.909654][ C0] swapper/0/0 just changed the state of lock: [ 27.909656][ C0] ffffffffb5c89660 (console_owner){..-.}-{0:0}, at: console_lock_spinning_enable+0x40/0x60 [ 27.909668][ C0] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 27.909669][ C0] (fs_reclaim){+.+.}-{0:0} [ 27.909670][ C0] [ 27.909670][ C0] [ 27.909670][ C0] and interrupts could create inverse lock ordering between them. [ 27.909670][ C0] [ 27.909672][ C0] [ 27.909672][ C0] other info that might help us debug this: [ 27.909672][ C0] Possible interrupt unsafe locking scenario: [ 27.909672][ C0] [ 27.909673][ C0] CPU0 CPU1 [ 27.909673][ C0] ---- ---- [ 27.909673][ C0] lock(fs_reclaim); [ 27.909675][ C0] local_irq_disable(); [ 27.909675][ C0] lock(console_owner); [ 27.909676][ C0] lock(fs_reclaim); [ 27.909677][ C0] [ 27.909677][ C0] lock(console_owner); [ 27.909678][ C0] [ 27.909678][ C0] *** DEADLOCK *** [ 27.909678][ C0] [ 27.909678][ C0] locks held by swapper/0/0: 4, last CPU#0: [ 27.909679][ C0] #0: ffa0000000007c90 ((&watchdog_timer)){+.-.}-{0:0}, at: call_timer_fn+0x110/0x4d0 [ 27.909685][ C0] #1: ffffffffb5dfe8b8 (watchdog_lock){+.-.}-{3:3}, at: clocksource_watchdog+0x15/0x30 [ 27.909689][ C0] #2: ffffffffb5d99cc0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0x320/0x3e0 [ 27.909692][ C0] #3: ffffffffb5d99d38 (console_srcu){....}-{0:0}, at: console_flush_one_record+0x106/0x710 [ 27.909695][ C0] [ 27.909695][ C0] the shortest dependencies between 2nd lock and 1st lock: [ 27.909700][ C0] -> (fs_reclaim){+.+.}-{0:0} { [ 27.909702][ C0] HARDIRQ-ON-W at: [ 27.909703][ C0] __lock_acquire+0x388/0xc20 [ 27.909707][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909708][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.909711][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.909714][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.909717][ C0] workqueue_init+0x2a/0x680 [ 27.909721][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.909724][ C0] kernel_init+0x21/0x150 [ 27.909727][ C0] ret_from_fork+0x474/0x6b0 [ 27.909730][ C0] ret_from_fork_asm+0x11/0x20 [ 27.909733][ C0] SOFTIRQ-ON-W at: [ 27.909734][ C0] __lock_acquire+0x388/0xc20 [ 27.909735][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909737][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.909738][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.909739][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.909741][ C0] workqueue_init+0x2a/0x680 [ 27.909742][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.909744][ C0] kernel_init+0x21/0x150 [ 27.909745][ C0] ret_from_fork+0x474/0x6b0 [ 27.909746][ C0] ret_from_fork_asm+0x11/0x20 [ 27.909748][ C0] INITIAL USE at: [ 27.909748][ C0] __lock_acquire+0x388/0xc20 [ 27.909750][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909751][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.909752][ C0] __kmalloc_cache_noprof+0x6e/0x620 [ 27.909754][ C0] kthread_create_worker_on_node+0xea/0x210 [ 27.909755][ C0] workqueue_init+0x2a/0x680 [ 27.909757][ C0] kernel_init_freeable+0x2fe/0x630 [ 27.909758][ C0] kernel_init+0x21/0x150 [ 27.909759][ C0] ret_from_fork+0x474/0x6b0 [ 27.909760][ C0] ret_from_fork_asm+0x11/0x20 [ 27.909762][ C0] } [ 27.909762][ C0] ... key at: [] __fs_reclaim_map+0x0/0xbe0 [ 27.909765][ C0] ... acquired at: [ 27.909766][ C0] __lock_acquire+0x518/0xc20 [ 27.909768][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909769][ C0] fs_reclaim_acquire+0xd5/0x120 [ 27.909770][ C0] __kmalloc_noprof+0xd3/0x760 [ 27.909772][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.909775][ C0] put_chars+0x1e1/0x2f0 [ 27.909777][ C0] hvc_console_print+0x292/0x780 [ 27.909779][ C0] console_emit_next_record+0x252/0x4f0 [ 27.909781][ C0] console_flush_one_record+0x46f/0x710 [ 27.909782][ C0] console_unlock+0xee/0x1f0 [ 27.909784][ C0] vprintk_emit+0x37c/0x3e0 [ 27.909785][ C0] dev_vprintk_emit+0x27f/0x2c0 [ 27.909788][ C0] dev_printk_emit+0xb9/0xee [ 27.909790][ C0] _dev_info+0xe2/0x116 [ 27.909792][ C0] __devm_rtc_register_device.cold+0xc3/0x3a8 [ 27.909794][ C0] cmos_do_probe+0x73b/0x98a [ 27.909795][ C0] platform_probe+0xfe/0x1f0 [ 27.909798][ C0] call_driver_probe+0x61/0x1c0 [ 27.909800][ C0] really_probe+0x199/0x760 [ 27.909801][ C0] __driver_probe_device+0x24f/0x440 [ 27.909802][ C0] driver_probe_device+0x4a/0xf0 [ 27.909803][ C0] __driver_attach+0x1b8/0x540 [ 27.909804][ C0] bus_for_each_dev+0x130/0x1e0 [ 27.909806][ C0] bus_add_driver+0x2c8/0x530 [ 27.909807][ C0] driver_register+0x1a3/0x390 [ 27.909808][ C0] __platform_driver_probe+0x13f/0x270 [ 27.909810][ C0] cmos_init+0x31/0x40 [ 27.909812][ C0] do_one_initcall+0x124/0x4f0 [ 27.909813][ C0] kernel_init_freeable+0x596/0x630 [ 27.909814][ C0] kernel_init+0x21/0x150 [ 27.909816][ C0] ret_from_fork+0x474/0x6b0 [ 27.909817][ C0] ret_from_fork_asm+0x11/0x20 [ 27.909818][ C0] [ 27.909819][ C0] -> (console_owner){..-.}-{0:0} { [ 27.909820][ C0] IN-SOFTIRQ-W at: [ 27.909821][ C0] __lock_acquire+0x388/0xc20 [ 27.909822][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909824][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.909826][ C0] console_emit_next_record+0x1f4/0x4f0 [ 27.909827][ C0] console_flush_one_record+0x46f/0x710 [ 27.909829][ C0] console_unlock+0xee/0x1f0 [ 27.909831][ C0] vprintk_emit+0x37c/0x3e0 [ 27.909832][ C0] _printk+0xc7/0x100 [ 27.909834][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 27.909837][ C0] call_timer_fn+0x160/0x4d0 [ 27.909838][ C0] __run_timers+0x68f/0xaa0 [ 27.909840][ C0] run_timer_softirq+0xf0/0x160 [ 27.909842][ C0] handle_softirqs+0x1d3/0x900 [ 27.909844][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.909845][ C0] irq_exit_rcu+0xe/0x30 [ 27.909847][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.909848][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.909850][ C0] pv_native_safe_halt+0xf/0x10 [ 27.909851][ C0] default_idle+0x9/0x10 [ 27.909853][ C0] default_idle_call+0x6e/0xb0 [ 27.909854][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.909857][ C0] do_idle+0xd8/0x190 [ 27.909858][ C0] cpu_startup_entry+0x53/0x70 [ 27.909860][ C0] rest_init+0x279/0x280 [ 27.909861][ C0] start_kernel+0x3af/0x3b0 [ 27.909862][ C0] x86_64_start_reservations+0x24/0x30 [ 27.909864][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.909866][ C0] common_startup_64+0x13e/0x148 [ 27.909869][ C0] INITIAL USE at: [ 27.909870][ C0] } [ 27.909870][ C0] ... key at: [] console_owner_dep_map+0x0/0x60 [ 27.909874][ C0] ... acquired at: [ 27.909874][ C0] mark_lock+0x1d7/0xa00 [ 27.909876][ C0] mark_usage+0x42/0x170 [ 27.909877][ C0] __lock_acquire+0x388/0xc20 [ 27.909879][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909880][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.909882][ C0] console_emit_next_record+0x1f4/0x4f0 [ 27.909883][ C0] console_flush_one_record+0x46f/0x710 [ 27.909885][ C0] console_unlock+0xee/0x1f0 [ 27.909887][ C0] vprintk_emit+0x37c/0x3e0 [ 27.909887][ C0] _printk+0xc7/0x100 [ 27.909889][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 27.909890][ C0] call_timer_fn+0x160/0x4d0 [ 27.909891][ C0] __run_timers+0x68f/0xaa0 [ 27.909893][ C0] run_timer_softirq+0xf0/0x160 [ 27.909895][ C0] handle_softirqs+0x1d3/0x900 [ 27.909896][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.909898][ C0] irq_exit_rcu+0xe/0x30 [ 27.909899][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.909900][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.909901][ C0] pv_native_safe_halt+0xf/0x10 [ 27.909902][ C0] default_idle+0x9/0x10 [ 27.909903][ C0] default_idle_call+0x6e/0xb0 [ 27.909905][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.909906][ C0] do_idle+0xd8/0x190 [ 27.909907][ C0] cpu_startup_entry+0x53/0x70 [ 27.909909][ C0] rest_init+0x279/0x280 [ 27.909910][ C0] start_kernel+0x3af/0x3b0 [ 27.909911][ C0] x86_64_start_reservations+0x24/0x30 [ 27.909913][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.909915][ C0] common_startup_64+0x13e/0x148 [ 27.909916][ C0] [ 27.909916][ C0] [ 27.909916][ C0] stack backtrace: [ 27.909919][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.909922][ C0] Tainted: [W]=WARN [ 27.909923][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.909924][ C0] Call Trace: [ 27.909926][ C0] [ 27.909927][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.909931][ C0] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 27.909933][ C0] mark_lock_irq+0x989/0x9c0 [ 27.909935][ C0] ? add_lock_to_list+0x2c/0x1a0 [ 27.909938][ C0] mark_lock+0x1d7/0xa00 [ 27.909948][ C0] mark_usage+0x42/0x170 [ 27.909950][ C0] __lock_acquire+0x388/0xc20 [ 27.909952][ C0] lock_acquire.part.0+0xd4/0x280 [ 27.909954][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 27.909956][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.909958][ C0] ? lock_acquire+0x13c/0x160 [ 27.909960][ C0] console_lock_spinning_enable+0x5c/0x60 [ 27.909962][ C0] ? console_lock_spinning_enable+0x40/0x60 [ 27.909964][ C0] console_emit_next_record+0x1f4/0x4f0 [ 27.909966][ C0] ? devkmsg_read+0x4e0/0x4e0 [ 27.909969][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.909970][ C0] ? lock_acquire+0x13c/0x160 [ 27.909972][ C0] console_flush_one_record+0x46f/0x710 [ 27.909974][ C0] ? console_emit_next_record+0x4f0/0x4f0 [ 27.909976][ C0] ? __lock_acquire+0x518/0xc20 [ 27.909978][ C0] console_unlock+0xee/0x1f0 [ 27.909981][ C0] ? console_flush_one_record+0x710/0x710 [ 27.909982][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.909984][ C0] ? lock_acquire+0x60/0x160 [ 27.909986][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.909988][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.909989][ C0] vprintk_emit+0x37c/0x3e0 [ 27.909991][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.909993][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 27.909995][ C0] _printk+0xc7/0x100 [ 27.909997][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.909998][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 27.910000][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910003][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 27.910004][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910006][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910008][ C0] call_timer_fn+0x160/0x4d0 [ 27.910010][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.910012][ C0] ? debug_object_active_state+0x430/0x430 [ 27.910015][ C0] ? find_held_lock+0x2b/0x80 [ 27.910017][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910018][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910020][ C0] __run_timers+0x68f/0xaa0 [ 27.910022][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910024][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.910026][ C0] ? __lock_acquire+0x518/0xc20 [ 27.910029][ C0] ? __rwlock_init+0x150/0x150 [ 27.910031][ C0] run_timer_softirq+0xf0/0x160 [ 27.910034][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.910035][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.910038][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910039][ C0] handle_softirqs+0x1d3/0x900 [ 27.910041][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910043][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.910045][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.910047][ C0] irq_exit_rcu+0xe/0x30 [ 27.910048][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.910050][ C0] [ 27.910050][ C0] [ 27.910051][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.910053][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.910054][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.910057][ C0] Code: 48 8b 3d 94 a2 72 02 e8 1f 00 00 00 48 2b 05 58 b3 b3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 66 2a 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.910059][ C0] RSP: 0018:ffffffffb5a07cf8 EFLAGS: 00000296 [ 27.910061][ C0] RAX: 00000000000b39cf RBX: ffffffffb5a1c600 RCX: ffffffffb22ef307 [ 27.910062][ C0] RDX: ffffffffb5a1c600 RSI: ffffffffb528b9a9 RDI: ffffffffb4c90860 [ 27.910063][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.910064][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6b40fa2 [ 27.910065][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.910066][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.910069][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.910070][ C0] default_idle+0x9/0x10 [ 27.910071][ C0] default_idle_call+0x6e/0xb0 [ 27.910073][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.910075][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.910076][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.910079][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910080][ C0] do_idle+0xd8/0x190 [ 27.910082][ C0] cpu_startup_entry+0x53/0x70 [ 27.910084][ C0] rest_init+0x279/0x280 [ 27.910085][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.910088][ C0] ? rest_init+0x280/0x280 [ 27.910090][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.910093][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.910096][ C0] ? acpi_enable+0x1e4/0x330 [ 27.910097][ C0] start_kernel+0x3af/0x3b0 [ 27.910099][ C0] x86_64_start_reservations+0x24/0x30 [ 27.910101][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.910103][ C0] common_startup_64+0x13e/0x148 [ 27.910106][ C0] [ 27.910111][ C0] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 27.910112][ C0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0 [ 27.910113][ C0] preempt_count: 103, expected: 0 [ 27.910114][ C0] RCU nest depth: 0, expected: 0 [ 27.910115][ C0] INFO: lockdep is turned off. [ 27.910115][ C0] irq event stamp: 735711 [ 27.910116][ C0] hardirqs last enabled at (735710): [] __down_trylock_console_sem+0x86/0xa0 [ 27.910118][ C0] hardirqs last disabled at (735711): [] console_emit_next_record+0x3f8/0x4f0 [ 27.910120][ C0] softirqs last enabled at (735670): [] handle_softirqs+0x67c/0x900 [ 27.910122][ C0] softirqs last disabled at (735697): [] __irq_exit_rcu+0x145/0x1c0 [ 27.910124][ C0] Preemption disabled at: [ 27.910125][ C0] [] schedule_preempt_disabled+0x22/0x30 [ 27.910128][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 7.2.0-virtme #1 PREEMPT(full) [ 27.910130][ C0] Tainted: [W]=WARN [ 27.910130][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.910131][ C0] Call Trace: [ 27.910132][ C0] [ 27.910132][ C0] dump_stack_lvl+0x6f/0xa0 [ 27.910134][ C0] ? schedule_preempt_disabled+0x22/0x30 [ 27.910136][ C0] __might_resched.cold+0x1fe/0x2c1 [ 27.910139][ C0] ? perf_trace_sched_switch+0x7c0/0x7c0 [ 27.910142][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910144][ C0] __kmalloc_noprof+0x443/0x760 [ 27.910145][ C0] ? __rwlock_init+0x150/0x150 [ 27.910147][ C0] ? alloc_buf.isra.0+0x4b/0x260 [ 27.910150][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 27.910151][ C0] alloc_buf.isra.0+0x4b/0x260 [ 27.910154][ C0] put_chars+0x1e1/0x2f0 [ 27.910156][ C0] ? __send_to_port+0x420/0x420 [ 27.910159][ C0] hvc_console_print+0x292/0x780 [ 27.910161][ C0] ? mark_usage+0x42/0x170 [ 27.910163][ C0] ? __lock_acquire+0x388/0xc20 [ 27.910165][ C0] ? hvc_write+0x3a0/0x3a0 [ 27.910167][ C0] ? lock_acquire.part.0+0xd4/0x280 [ 27.910169][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910170][ C0] ? lock_acquire+0x13c/0x160 [ 27.910172][ C0] console_emit_next_record+0x252/0x4f0 [ 27.910174][ C0] ? devkmsg_read+0x4e0/0x4e0 [ 27.910177][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910178][ C0] ? lock_acquire+0x13c/0x160 [ 27.910180][ C0] console_flush_one_record+0x46f/0x710 [ 27.910182][ C0] ? console_emit_next_record+0x4f0/0x4f0 [ 27.910184][ C0] ? __lock_acquire+0x518/0xc20 [ 27.910187][ C0] console_unlock+0xee/0x1f0 [ 27.910189][ C0] ? console_flush_one_record+0x710/0x710 [ 27.910191][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910192][ C0] ? lock_acquire+0x60/0x160 [ 27.910194][ C0] ? __down_trylock_console_sem+0x5e/0xa0 [ 27.910196][ C0] ? vprintk_emit+0x320/0x3e0 [ 27.910197][ C0] vprintk_emit+0x37c/0x3e0 [ 27.910198][ C0] ? wake_up_klogd_work_func+0x90/0x90 [ 27.910200][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 27.910202][ C0] _printk+0xc7/0x100 [ 27.910204][ C0] ? snapshot_read.cold+0x21/0x21 [ 27.910206][ C0] ? clocksource_watchdog.part.0+0x4d0/0x540 [ 27.910207][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910210][ C0] clocksource_watchdog.part.0.cold+0x105/0x1dd [ 27.910211][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910213][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910215][ C0] call_timer_fn+0x160/0x4d0 [ 27.910217][ C0] ? detach_if_pending+0x1d0/0x1d0 [ 27.910219][ C0] ? debug_object_active_state+0x430/0x430 [ 27.910220][ C0] ? find_held_lock+0x2b/0x80 [ 27.910222][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910224][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910225][ C0] __run_timers+0x68f/0xaa0 [ 27.910227][ C0] ? clocksource_watchdog.part.0+0x540/0x540 [ 27.910229][ C0] ? __bpf_trace_itimer_expire+0x10/0x10 [ 27.910231][ C0] ? __lock_acquire+0x518/0xc20 [ 27.910234][ C0] ? __rwlock_init+0x150/0x150 [ 27.910236][ C0] run_timer_softirq+0xf0/0x160 [ 27.910238][ C0] ? __run_timers+0xaa0/0xaa0 [ 27.910240][ C0] ? trace_irq_enable.constprop.0+0x9b/0x160 [ 27.910241][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910243][ C0] handle_softirqs+0x1d3/0x900 [ 27.910245][ C0] ? __lock_release.isra.0+0x69/0x1a0 [ 27.910246][ C0] ? _local_bh_enable+0xc0/0xc0 [ 27.910248][ C0] __irq_exit_rcu+0x145/0x1c0 [ 27.910250][ C0] irq_exit_rcu+0xe/0x30 [ 27.910251][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 27.910253][ C0] [ 27.910254][ C0] [ 27.910254][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 27.910256][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 27.910257][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 27.910259][ C0] Code: 48 8b 3d 94 a2 72 02 e8 1f 00 00 00 48 2b 05 58 b3 b3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 66 2a 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 27.910260][ C0] RSP: 0018:ffffffffb5a07cf8 EFLAGS: 00000296 [ 27.910261][ C0] RAX: 00000000000b39cf RBX: ffffffffb5a1c600 RCX: ffffffffb22ef307 [ 27.910262][ C0] RDX: ffffffffb5a1c600 RSI: ffffffffb528b9a9 RDI: ffffffffb4c90860 [ 27.910262][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 27.910263][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6b40fa2 [ 27.910264][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 27.910265][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.910269][ C0] ? lockdep_hardirqs_on+0x91/0x130 [ 27.910271][ C0] default_idle+0x9/0x10 [ 27.910273][ C0] default_idle_call+0x6e/0xb0 [ 27.910274][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 27.910276][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.910278][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 27.910279][ C0] ? rcu_is_watching+0x16/0xd0 [ 27.910281][ C0] do_idle+0xd8/0x190 [ 27.910282][ C0] cpu_startup_entry+0x53/0x70 [ 27.910284][ C0] rest_init+0x279/0x280 [ 27.910285][ C0] ? __cpuidle_text_end+0x3b/0x3b [ 27.910288][ C0] ? rest_init+0x280/0x280 [ 27.910289][ C0] ? acpi_hw_set_mode+0x4a0/0x4a0 [ 27.910291][ C0] ? cpus_read_unlock+0x4f/0xc0 [ 27.910293][ C0] ? acpi_enable+0x1e4/0x330 [ 27.910295][ C0] start_kernel+0x3af/0x3b0 [ 27.910296][ C0] x86_64_start_reservations+0x24/0x30 [ 27.910298][ C0] x86_64_start_kernel+0x12b/0x130 [ 27.910300][ C0] common_startup_64+0x13e/0x148 [ 27.910303][ C0]