[ 5.433698] sched: RT throttling activated [ 63.563698] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 63.563702] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P437 [ 63.563707] (detected by 0, t=60002 jiffies, g=1321, q=336 ncpus=2) [ 63.563710] task:systemd-udevd state:R running task stack: 0 pid: 437 ppid: 420 flags:0x00004002 [ 63.563715] Call Trace: [ 63.563719] [ 63.563722] sched_show_task.cold+0xca/0xe4 [ 63.563730] print_other_cpu_stall+0x28c/0x360 [ OK ] Stopped Rule-based Manager for Device Events and Files. Starting Rule-based Manageā€¦for Device Events and Files... [ 63.563737] check_cpu_stall+0x1b3/0x240 [ 63.563740] rcu_pending+0x2d/0x150 [ 63.563743] rcu_sched_clock_irq+0x46/0x1b0 [ 63.563746] update_process_times+0x8e/0xc0 [ 63.563750] tick_sched_handle+0x22/0x60 [ 63.563755] tick_sched_timer+0x71/0x90 [ 63.563759] ? tick_sched_do_timer+0xa0/0xa0 [ 63.563762] __hrtimer_run_queues+0x180/0x3d0 [ 63.563766] hrtimer_interrupt+0x101/0x220 [ 63.563770] __sysvec_apic_timer_interrupt+0x7c/0x1d0 [ 63.563774] sysvec_apic_timer_interrupt+0x9d/0xd0 [ 63.563779] [ 63.563780] [ 63.563780] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 63.563787] RIP: 0010:__send_control_msg.isra.0+0xf1/0x110 [virtio_console] [ 63.563795] Code: e4 85 c0 74 0d 4c 89 f7 e8 dc 44 7d e4 e9 5d ff ff ff 4c 89 ef e8 7f 7d 32 e4 eb 0e 4c 89 ef e8 05 6e 32 e4 84 c0 75 dd f3 90 <48> 8d 74 24 04 4c 89 ef e8 32 7b 32 e4 48 85 c0 74 e0 eb c7 e8 06 [ 63.563798] RSP: 0018:ffffafe14060fb90 EFLAGS: 00000246 [ 63.563800] RAX: 0000000000000000 RBX: ffff9d584ac65f00 RCX: 0000000000000001 [ 63.563801] RDX: 0000000000000000 RSI: ffffafe14060fb94 RDI: ffff9d58c0b15b40 [ 63.563803] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff9d584ac65fe0 [ 63.563804] R10: 0000000000000fe0 R11: 0000000000000000 R12: ffff9d584ac65fe0 [ 63.563805] R13: ffff9d58c0b15b40 R14: ffff9d584ac65fa0 R15: 00000000ffffffff [ 63.563811] virtcons_probe+0x1d7/0x32b [virtio_console] [ 63.563817] virtio_dev_probe+0x15d/0x220 [ 63.563822] really_probe+0xde/0x3a0 [ 63.563828] ? pm_runtime_barrier+0x50/0x90 [ 63.563833] __driver_probe_device+0x105/0x180 [ 63.563837] driver_probe_device+0x1e/0x90 [ 63.563841] __driver_attach+0x9d/0x1f0 [ 63.563845] ? __device_attach_driver+0x110/0x110 [ 63.563848] bus_for_each_dev+0x75/0xc0 [ 63.563853] bus_add_driver+0x15f/0x210 [ 63.563856] driver_register+0x8f/0xf0 [ 63.563861] ? virtio_cons_early_init+0x1c/0x1c [virtio_console] [ 63.563866] init+0x93/0xfe4 [virtio_console] [ 63.563870] do_one_initcall+0x41/0x260 [ 63.563875] ? kmem_cache_alloc_trace+0x155/0x2c0 [ 63.563880] do_init_module+0x5c/0x280 [ 63.563884] __do_sys_init_module+0x129/0x1b0 [ 63.563890] do_syscall_64+0x59/0x90 [ 63.563893] ? kvm_read_and_reset_apf_flags+0x45/0x60 [ 63.563896] ? exc_page_fault+0x65/0x180 [ 63.563899] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 63.563903] RIP: 0033:0x7f7334c7c69e [ 63.563906] Code: 48 8b 0d 85 a7 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 52 a7 1b 00 f7 d8 64 89 01 48 [ 63.563908] RSP: 002b:00007ffd7da16488 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 63.563910] RAX: ffffffffffffffda RBX: 0000555a0e280aa0 RCX: 00007f7334c7c69e [ 63.563912] RDX: 00007f7334ead32c RSI: 0000000000017588 RDI: 0000555a0ea8e1f0 [ 63.563913] RBP: 0000555a0ea8e1f0 R08: 0000555a0e27f580 R09: 0000000000016010 [ 63.563914] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7334ead32c [ 63.563915] R13: 0000555a0e278f40 R14: 0000000000000007 R15: 0000555a0e281110 [ 63.563918] [ 243.568699] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 243.568702] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P437 [ 243.568707] (detected by 0, t=240007 jiffies, g=1321, q=1344 ncpus=2) [ 243.568710] task:systemd-udevd state:R running task stack: 0 pid: 437 ppid: 1 flags:0x00004006 [ 243.568715] Call Trace: [ 243.568717] [ 243.568720] sched_show_task.cold+0xca/0xe4 [ 243.568728] print_other_cpu_stall+0x28c/0x360 [ 243.568734] check_cpu_stall+0x1b3/0x240 [ 243.568737] rcu_pending+0x2d/0x150 [ 243.568740] rcu_sched_clock_irq+0x46/0x1b0 [ 243.568743] update_process_times+0x8e/0xc0 [ 243.568746] tick_sched_handle+0x22/0x60 [ 243.568752] tick_sched_timer+0x71/0x90 [ 243.568755] ? tick_sched_do_timer+0xa0/0xa0 [ 243.568759] __hrtimer_run_queues+0x180/0x3d0 [ 243.568762] hrtimer_interrupt+0x101/0x220 [ 243.568766] __sysvec_apic_timer_interrupt+0x7c/0x1d0 [ 243.568771] sysvec_apic_timer_interrupt+0x9d/0xd0 [ 243.568775] [ 243.568776] [ 243.568777] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 243.568783] RIP: 0010:__send_control_msg.isra.0+0xf1/0x110 [virtio_console] [ 243.568790] Code: e4 85 c0 74 0d 4c 89 f7 e8 dc 44 7d e4 e9 5d ff ff ff 4c 89 ef e8 7f 7d 32 e4 eb 0e 4c 89 ef e8 05 6e 32 e4 84 c0 75 dd f3 90 <48> 8d 74 24 04 4c 89 ef e8 32 7b 32 e4 48 85 c0 74 e0 eb c7 e8 06 [ 243.568792] RSP: 0018:ffffafe14060fb90 EFLAGS: 00000246 [ 243.568794] RAX: 0000000000000000 RBX: ffff9d584ac65f00 RCX: 0000000000000001 [ 243.568796] RDX: 0000000000000000 RSI: ffffafe14060fb94 RDI: ffff9d58c0b15b40 [ 243.568797] RBP: 0000000000000000 R08: 0000000000000001 R09: ffff9d584ac65fe0 [ 243.568798] R10: 0000000000000fe0 R11: 0000000000000000 R12: ffff9d584ac65fe0 [ 243.568799] R13: ffff9d58c0b15b40 R14: ffff9d584ac65fa0 R15: 00000000ffffffff [ 243.568804] virtcons_probe+0x1d7/0x32b [virtio_console] [ 243.568810] virtio_dev_probe+0x15d/0x220 [ 243.568814] really_probe+0xde/0x3a0 [ 243.568820] ? pm_runtime_barrier+0x50/0x90 [ 243.568825] __driver_probe_device+0x105/0x180 [ 243.568829] driver_probe_device+0x1e/0x90 [ 243.568832] __driver_attach+0x9d/0x1f0 [ 243.568836] ? __device_attach_driver+0x110/0x110 [ 243.568840] bus_for_each_dev+0x75/0xc0 [ 243.568844] bus_add_driver+0x15f/0x210 [ 243.568848] driver_register+0x8f/0xf0 [ 243.568852] ? virtio_cons_early_init+0x1c/0x1c [virtio_console] [ 243.568856] init+0x93/0xfe4 [virtio_console] [ 243.568861] do_one_initcall+0x41/0x260 [ 243.568866] ? kmem_cache_alloc_trace+0x155/0x2c0 [ 243.568870] do_init_module+0x5c/0x280 [ 243.568875] __do_sys_init_module+0x129/0x1b0 [ 243.568881] do_syscall_64+0x59/0x90 [ 243.568883] ? kvm_read_and_reset_apf_flags+0x45/0x60 [ 243.568887] ? exc_page_fault+0x65/0x180 [ 243.568890] entry_SYSCALL_64_after_hwframe+0x64/0xce [ 243.568894] RIP: 0033:0x7f7334c7c69e [ 243.568896] Code: 48 8b 0d 85 a7 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 af 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 52 a7 1b 00 f7 d8 64 89 01 48 [ 243.568898] RSP: 002b:00007ffd7da16488 EFLAGS: 00000246 ORIG_RAX: 00000000000000af [ 243.568900] RAX: ffffffffffffffda RBX: 0000555a0e280aa0 RCX: 00007f7334c7c69e [ 243.568901] RDX: 00007f7334ead32c RSI: 0000000000017588 RDI: 0000555a0ea8e1f0 [ 243.568903] RBP: 0000555a0ea8e1f0 R08: 0000555a0e27f580 R09: 0000000000016010 [ 243.568904] R10: 0000000000000005 R11: 0000000000000246 R12: 00007f7334ead32c [ 243.568905] R13: 0000555a0e278f40 R14: 0000000000000007 R15: 0000555a0e281110 [ 243.568908]