Backtrace

WARNING: CPU: 0 PID: 0 at kernel/sched/fair.c:380 unthrottle_cfs_rq+0x291/0x2b0
Modules linked in: tcp_diag udp_diag inet_diag xt_statistic ip_vs_sh ip_vs_wrr ip_vs_rr ip_vs uinput rfcomm xt_comment xt_mark nf_tables veth xt_nat nf_conntrack_netlink xt_addrtype br_netfilter overlay ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT cmac ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter bnep binfmt_misc sunrpc vfat fat snd_sof_pci snd_sof_intel_byt snd_sof_intel_ipc snd_sof_xtensa_dsp snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof snd_hda_codec_hdmi dell_rbtn snd_soc_skl snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi
 snd_soc_core snd_hda_codec_realtek snd_hda_codec_generic snd_compress x86_pkg_temp_thermal ac97_bus intel_powerclamp snd_pcm_dmaengine coretemp kvm_intel snd_hda_intel snd_intel_dspcfg kvm snd_hda_codec snd_hda_core iwlmvm snd_hwdep iTCO_wdt snd_seq mei_wdt mei_hdcp iTCO_vendor_support dell_laptop ledtrig_audio btusb snd_seq_device irqbypass intel_rapl_msr btrtl btbcm mac80211 crct10dif_pclmul crc32_pclmul dell_smm_hwmon btintel ghash_clmulni_intel dell_wmi uvcvideo intel_cstate libarc4 videobuf2_vmalloc intel_uncore videobuf2_memops snd_pcm dell_smbios videobuf2_v4l2 iwlwifi intel_rapl_perf dcdbas pcspkr videobuf2_common snd_timer bluetooth dell_wmi_descriptor snd mei_me intel_wmi_thunderbolt wmi_bmof cfg80211 i2c_i801 soundcore videodev ecdh_generic processor_thermal_device ucsi_acpi joydev mei mc ecc idma64 intel_rapl_common rfkill typec_ucsi intel_pch_thermal intel_soc_dts_iosf typec int3403_thermal int340x_thermal_zone dell_smo8800 acpi_pad int3400_thermal
 acpi_thermal_rel intel_hid sparse_keymap target_core_mod ip_tables xfs libcrc32c i915 rtsx_pci_sdmmc mmc_core hid_multitouch crc32c_intel e1000e nvme i2c_algo_bit drm_kms_helper serio_raw nvme_core drm rtsx_pci wmi pinctrl_cannonlake i2c_hid pinctrl_intel video fuse
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.11-200.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude 5400/0PD9KD, BIOS 1.6.5 12/26/2019
RIP: 0010:unthrottle_cfs_rq+0x291/0x2b0
Code: d2 05 00 e9 eb fe ff ff 31 ed 80 3d 36 4c 6d 01 00 0f 85 bb fe ff ff 48 c7 c7 38 5b 37 a3 c6 05 22 4c 6d 01 01 e8 11 d8 fb ff <0f> 0b 48 85 ed 0f 85 be fe ff ff e9 98 fe ff ff e8 0a df 05 00 e9
RSP: 0018:ffffa364c0003e70 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff8ec14ae89800 RCX: 0000000000000000
RDX: 000000000000002d RSI: ffffffffa426146d RDI: 0000000000000046
RBP: ffff8ec14988c400 R08: 0000058ca02f9f15 R09: 000000000000002d
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8ec1ec4eae00
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8ec1ec400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3aa36049a0 CR3: 00000002f760a001 CR4: 00000000003606f0
Call Trace:
 <IRQ>
 distribute_cfs_runtime+0xd4/0x130
 sched_cfs_period_timer+0xfb/0x1b0
 ? sched_cfs_slack_timer+0xe0/0xe0
 __hrtimer_run_queues+0xf6/0x270
 hrtimer_interrupt+0x10e/0x240
 ? ktime_get+0x38/0x90
 smp_apic_timer_interrupt+0x6c/0x130
 apic_timer_interrupt+0xf/0x20
 </IRQ>
RIP: 0010:cpuidle_enter_state+0xc9/0x3e0
Code: e8 5c e1 8e ff 80 7c 24 0f 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 ea 02 00 00 31 ff e8 6e 35 95 ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 40 02 00 00 49 63 d5 4c 2b 64 24 10 48 8d 04 52 48
RSP: 0018:ffffffffa3603e58 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffff8ec1ec42ae00 RBX: ffff8ec1ec435f00 RCX: 000000000000001f
RDX: 0000000000000000 RSI: 000000003c9b0c75 RDI: 0000000000000000
RBP: ffffffffa374eec0 R08: 0000058ca02f8827 R09: 00000000000009a2
R10: 00000000000000ee R11: ffff8ec1ec429be4 R12: 0000058ca02f8827
R13: 0000000000000004 R14: 0000000000000004 R15: ffffffffa3614780
 ? cpuidle_enter_state+0xa4/0x3e0
 cpuidle_enter+0x29/0x40
 do_idle+0x1e4/0x280
 cpu_startup_entry+0x19/0x20
 start_kernel+0x52f/0x54c
 secondary_startup_64+0xb6/0xc0