Backtrace

WARNING: CPU: 1 PID: 0 at kernel/sched/core.c:2671 ttwu_queue_wakelist+0xb6/0xc0
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE nf_conntrack_netlink nfnetlink xt_conntrack ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 xt_addrtype br_netfilter xt_multiport xt_cgroup xt_mark xt_owner ebtable_filter ebtables bridge stp llc ip6table_mangle iptable_mangle ip6table_nat iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip6table_raw iptable_raw ip6table_filter ip6_tables iptable_filter tun overlay cmac bnep sunrpc nls_utf8 hfsplus snd_hda_codec_cirrus snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_hda_intel snd_intel_dspcfg soundwire_intel soundwire_generic_allocation intel_rapl_msr snd_soc_core intel_rapl_common snd_compress snd_pcm_dmaengine brcmfmac soundwire_cadence btusb btrtl iTCO_wdt x86_pkg_temp_thermal snd_hda_codec btbcm intel_pmc_bxt intel_powerclamp mei_hdcp joydev btintel coretemp kvm_intel snd_hda_core iTCO_vendor_support ac97_bus brcmutil bluetooth applesmc kvm snd_hwdep cfg80211 snd_seq snd_seq_device
 snd_pcm irqbypass ecdh_generic rapl mmc_core ecc bcm5974 snd_timer i2c_i801 intel_cstate apple_mfi_fastcharge mei_me rfkill mei intel_uncore snd i2c_smbus pcspkr sbs acpi_als intel_pch_thermal lpc_ich thunderbolt kfifo_buf sbshc soundcore industrialio apple_gmux apple_bl binfmt_misc ip_tables dm_crypt hid_apple uas usb_storage i915 crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper cec drm ghash_clmulni_intel xhci_pci xhci_pci_renesas video fuse
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.10.8-100.fc32.x86_64 #1
Hardware name: Apple Inc. MacBookPro11,4/Mac-06F11FD93F0323C5, BIOS MBP114.88Z.0172.B09.1602151732 02/15/2016
RIP: 0010:ttwu_queue_wakelist+0xb6/0xc0
Code: ca 4a 03 04 e5 00 69 49 83 88 93 98 08 00 00 c7 40 68 01 00 00 00 e8 f9 86 07 00 b8 01 00 00 00 5b 5d 41 5c 41 5d c3 31 c0 c3 <0f> 0b 31 c0 eb f0 0f 1f 40 00 55 48 89 e5 41 57 49 89 f7 41 56 49
RSP: 0000:ffffb00a8010ce78 EFLAGS: 00010046
RAX: 0000000000000001 RBX: ffff8f9280a32700 RCX: ffff8f95ef240000
RDX: 0000000000000000 RSI: ffff8f95ef240000 RDI: 0000000000000001
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000204
R10: 0000000000000204 R11: ffffffff83a060c0 R12: 0000000000000001
R13: 0000000000000000 R14: ffff8f9280a332c4 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8f95ef240000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001671e4002 CR4: 00000000001706e0
Call Trace:
 <IRQ>
 try_to_wake_up+0x149/0x4d0
 ? sysvec_call_function+0x36/0x80
 ? __next_timer_interrupt+0x100/0x100
 call_timer_fn+0x29/0xf0
 __run_timers.part.0+0x1af/0x210
 ? rebalance_domains+0x34c/0x3a0
 run_timer_softirq+0x26/0x50
 __do_softirq+0xca/0x288
 asm_call_irq_on_stack+0x12/0x20
 </IRQ>
 do_softirq_own_stack+0x37/0x40
 irq_exit_rcu+0xc2/0x100
 sysvec_apic_timer_interrupt+0x36/0x80
 asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:mwait_idle+0x57/0x80
Code: 89 d1 65 48 8b 04 25 c0 7b 01 00 0f 01 c8 48 8b 00 a8 08 75 2f e9 07 00 00 00 0f 00 2d 44 c3 43 00 31 c0 48 89 c1 fb 0f 01 c9 <65> 48 8b 04 25 c0 7b 01 00 f0 80 60 02 df c3 0f ae f0 0f ae 38 0f
RSP: 0000:ffffb00a800a7f00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000082 RDI: 0000000000000082
RBP: ffff8f9280a3a700 R08: 0000000000000000 R09: 0000000000000001
R10: 000034c33948d99f R11: 000000000015e8f4 R12: ffffffff83c56460
R13: ffff8f95ef275100 R14: 0000000000000000 R15: 0000000000000000
 default_idle_call+0x38/0xc0
 do_idle+0x1e4/0x270
 cpu_startup_entry+0x19/0x20
 secondary_startup_64_no_verify+0xc2/0xcb