cgroup: Unknown subsys name 'perf_event' cgroup: Unknown subsys name 'net_cls' ------------[ cut here ]------------ WARNING: CPU: 1 PID: 16 at kernel/kthread.c:83 to_kthread kernel/kthread.c:83 [inline] WARNING: CPU: 1 PID: 16 at kernel/kthread.c:83 kthread_is_per_cpu+0xc4/0xf0 kernel/kthread.c:519 Modules linked in: CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.10.56 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 RIP: 0010:to_kthread kernel/kthread.c:83 [inline] RIP: 0010:kthread_is_per_cpu+0xc4/0xf0 kernel/kthread.c:519 Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 2e 4c 8b 23 41 83 e4 01 e8 69 8e 23 00 44 89 e0 5b 5d 41 5c c3 e8 5c 8e 23 00 <0f> 0b eb 88 e8 f3 bf 4e 00 e9 68 ff ff ff e8 f9 bf 4e 00 eb 9a 48 RSP: 0018:ffff88800859f9c0 EFLAGS: 00010093 RAX: 0000000000000000 RBX: ffff88803f9b9940 RCX: ffffffff811bf77c RDX: ffff888008589940 RSI: ffffffff811bf7f4 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000001 R09: ffff88803f9b9940 R10: 0000000000000000 R11: ffffffff85dd305b R12: ffff88803f9b99e8 R13: ffff88800859fb48 R14: ffff88800859fb48 R15: ffff88803f9b9940 FS: 0000000000000000(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcafdfbaa0 CR3: 00000000361a2000 CR4: 0000000000350ee0 Call Trace: can_migrate_task+0x90/0xa00 kernel/sched/fair.c:7572 detach_tasks kernel/sched/fair.c:7720 [inline] load_balance+0xa0e/0x2990 kernel/sched/fair.c:9644 newidle_balance+0x6b9/0xee0 kernel/sched/fair.c:10616 pick_next_task_fair+0x48/0xb10 kernel/sched/fair.c:7159 pick_next_task kernel/sched/core.c:4342 [inline] __schedule+0x330/0x1e80 kernel/sched/core.c:4493 schedule+0xcb/0x270 kernel/sched/core.c:4603 smpboot_thread_fn+0x594/0x860 kernel/smpboot.c:160 kthread+0x38f/0x470 kernel/kthread.c:292 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:296 irq event stamp: 2142154 hardirqs last enabled at (2142153): [] run_ksoftirqd kernel/softirq.c:654 [inline] hardirqs last enabled at (2142153): [] run_ksoftirqd+0x26/0x50 kernel/softirq.c:645 hardirqs last disabled at (2142154): [] __schedule+0xfb2/0x1e80 kernel/sched/core.c:4425 softirqs last enabled at (2142152): [] run_ksoftirqd kernel/softirq.c:653 [inline] softirqs last enabled at (2142152): [] run_ksoftirqd+0x21/0x50 kernel/softirq.c:645 softirqs last disabled at (2142091): [] run_ksoftirqd kernel/softirq.c:653 [inline] softirqs last disabled at (2142091): [] run_ksoftirqd+0x21/0x50 kernel/softirq.c:645 ---[ end trace 122eb8d700fdc843 ]--- ======================================================