Backtrace

WARNING: CPU: 0 PID: 0 at kernel/sched/fair.c:401 enqueue_task_fair+0x26f/0x6a0
Modules linked in: v4l2loopback(OE) uinput rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc tun nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nft_chain_nat ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_raw iptable_security ip_set nf_tables nfnetlink ip6table_filter ip6_tables iptable_filter bnep sunrpc vfat fat squashfs loop snd_soc_skl_hda_dsp snd_soc_hdac_hdmi snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic snd_soc_dmic snd_sof_pci_intel_tgl snd_sof_intel_hda_common soundwire_intel soundwire_generic_allocation soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof snd_soc_hdac_hda snd_hda_ext_core snd_soc_acpi_intel_match snd_soc_acpi
 snd_soc_core snd_compress snd_pcm_dmaengine ac97_bus ledtrig_audio snd_hda_intel snd_intel_dspcfg snd_intel_sdw_acpi iTCO_wdt intel_tcc_cooling intel_pmc_bxt snd_hda_codec x86_pkg_temp_thermal mei_hdcp iTCO_vendor_support intel_powerclamp snd_hda_core coretemp intel_pmt_telemetry intel_pmt_class intel_rapl_msr kvm_intel iwlmvm snd_hwdep snd_seq kvm mac80211 snd_seq_device irqbypass snd_pcm intel_cstate intel_uncore libarc4 pcspkr uvcvideo snd_timer snd wmi_bmof spi_pxa2xx_platform i2c_i801 videobuf2_vmalloc iwlwifi soundcore i2c_smbus dw_dmac videobuf2_memops mei_me videobuf2_v4l2 mei videobuf2_common btusb cfg80211 videodev btrtl btbcm btintel idma64 bluetooth joydev mc hid_sensor_als hid_sensor_accel_3d hid_sensor_trigger hid_sensor_iio_common industrialio_triggered_buffer processor_thermal_device kfifo_buf processor_thermal_rfim industrialio processor_thermal_mbox thunderbolt intel_pmt processor_thermal_rapl intel_rapl_common intel_soc_dts_iosf ucsi_acpi typec_ucsi typec
 ideapad_laptop platform_profile sparse_keymap rfkill int3403_thermal int340x_thermal_zone int3400_thermal acpi_pad acpi_thermal_rel acpi_tad zram ip_tables uas usb_storage hid_sensor_hub intel_ishtp_loader intel_ishtp_hid r8152 mii wacom i915 hid_multitouch i2c_algo_bit drm_kms_helper nvme nvme_core cec crct10dif_pclmul drm crc32_pclmul crc32c_intel ghash_clmulni_intel serio_raw intel_ish_ipc intel_ishtp vmd wmi i2c_hid_acpi i2c_hid video pinctrl_tigerlake fuse ecryptfs
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G           OE     5.13.5-200.fc34.x86_64 #1
Hardware name: LENOVO 82BH/LNVNB161216, BIOS F5CN40WW 01/14/2021
RIP: 0010:enqueue_task_fair+0x26f/0x6a0
Code: 60 09 00 00 0f 84 f8 fe ff ff 80 3d 25 79 df 01 00 0f 85 eb fe ff ff 48 c7 c7 00 9f 5b 8a c6 05 11 79 df 01 01 e8 fc e8 a8 00 <0f> 0b e9 d1 fe ff ff 44 8b 85 80 01 00 00 45 85 c0 0f 85 e7 fe ff
RSP: 0018:ffffa9c5c0003dc8 EFLAGS: 00010092
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000027
RDX: ffff8b02a0818a08 RSI: 0000000000000001 RDI: ffff8b02a0818a00
RBP: ffff8b02a082ad00 R08: 0000000000000000 R09: ffffa9c5c0003c00
R10: ffffa9c5c0003bf8 R11: ffffffff8ad468c8 R12: 0000000000000000
R13: ffff8b02a082ac80 R14: 0000000000000009 R15: ffff8b02a082ac80
FS:  0000000000000000(0000) GS:ffff8b02a0800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa8c3077000 CR3: 00000002d03c2001 CR4: 0000000000770ef0
PKRU: 55555554
Call Trace:
 <IRQ>
 ? psi_task_change+0x9b/0xe0
 ttwu_do_activate+0x72/0x180
 try_to_wake_up+0x19b/0x4d0
 __queue_work+0x1d1/0x3e0
 rcu_work_rcufn+0x1e/0x30
 rcu_do_batch+0x17b/0x4d0
 rcu_core+0x183/0x2e0
 __do_softirq+0xcd/0x28f
 __irq_exit_rcu+0xcc/0x100
 sysvec_call_function_single+0x72/0x90
 </IRQ>
 asm_sysvec_call_function_single+0x12/0x20
RIP: 0010:cpuidle_enter_state+0xc7/0x350
Code: 8b 3d a5 95 69 76 e8 f8 bc 79 ff 49 89 c5 0f 1f 44 00 00 31 ff e8 29 d5 79 ff 45 84 ff 0f 85 fa 00 00 00 fb 66 0f 1f 44 00 00 <45> 85 f6 0f 88 06 01 00 00 49 63 d6 4c 2b 2c 24 48 8d 04 52 48 8d
RSP: 0018:ffffffff8ac03e68 EFLAGS: 00000246
RAX: ffff8b02a082ac80 RBX: 0000000000000001 RCX: 000000000000001f
RDX: 0000000000000000 RSI: 0000000034e8f93a RDI: 0000000000000000
RBP: ffff8b02a0836be0 R08: 000001995e8b3afa R09: 0000000000000008
R10: 00000000000003e0 R11: 00000000000000e5 R12: ffffffff8ae5c500
R13: 000001995e8b3afa R14: 0000000000000001 R15: 0000000000000000
 ? cpuidle_enter_state+0xb7/0x350
 cpuidle_enter+0x29/0x40
 do_idle+0x1ce/0x270
 cpu_startup_entry+0x19/0x20
 start_kernel+0x82f/0x83f
 ? apply_microcode_early.cold+0x8/0x1d
 secondary_startup_64_no_verify+0xc2/0xcb