Backtrace

WARNING: CPU: 3 PID: 118867 at kernel/sched/fair.c:401 enqueue_task_fair+0x26f/0x6a0
Modules linked in: rfcomm snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc 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 lz4 lz4_compress bnep sunrpc vfat fat snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi iwlmvm snd_hda_codec_hdmi snd_soc_core intel_rapl_msr intel_rapl_common intel_tcc_cooling mac80211 snd_ctl_led x86_pkg_temp_thermal intel_powerclamp coretemp snd_compress mei_hdcp snd_hda_codec_realtek snd_pcm_dmaengine ac97_bus kvm_intel snd_hda_codec_generic
 ledtrig_audio snd_hda_intel libarc4 iTCO_wdt uvcvideo kvm intel_pmc_bxt snd_intel_dspcfg iTCO_vendor_support iwlwifi snd_intel_sdw_acpi videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 snd_hda_codec videobuf2_common snd_hda_core irqbypass btusb rapl snd_hwdep snd_seq cfg80211 intel_cstate btrtl btbcm videodev intel_uncore btintel snd_seq_device snd_pcm bluetooth intel_wmi_thunderbolt pcspkr mei_me mc acer_wmi snd_timer sparse_keymap snd i2c_i801 ecdh_generic mei joydev ecc rfkill i2c_smbus wmi_bmof soundcore idma64 intel_pch_thermal intel_xhci_usb_role_switch acpi_pad zram ip_tables i915 hid_multitouch i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel cec ghash_clmulni_intel drm serio_raw i2c_hid_acpi i2c_hid wmi video fuse
CPU: 3 PID: 118867 Comm: ThreadPoolServi Not tainted 5.13.19-200.fc34.x86_64 #1
Hardware name: Acer Swift SF314-52/Suntory_KL, BIOS V1.08 11/28/2017
RIP: 0010:enqueue_task_fair+0x26f/0x6a0
Code: 60 09 00 00 0f 84 f8 fe ff ff 80 3d c5 6b df 01 00 0f 85 eb fe ff ff 48 c7 c7 40 97 5b 9d c6 05 b1 6b df 01 01 e8 9c b8 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:ffffaa804459fc68 EFLAGS: 00010096
RAX: 000000000000002d RBX: 0000000000000000 RCX: 0000000000000027
RDX: ffff89636df98a08 RSI: 0000000000000001 RDI: ffff89636df98a00
RBP: ffff89636df2ad00 R08: 0000000000000000 R09: ffffaa804459faa0
R10: ffffaa804459fa98 R11: ffffffff9dd468c8 R12: 0000000000000000
R13: ffff89636df2ac80 R14: 0000000000000009 R15: ffff89636df2ac80
FS:  00007f29d16c6640(0000) GS:ffff89636df80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055808f887390 CR3: 000000014e196004 CR4: 00000000003706e0
Call Trace:
 ? psi_task_change+0x9b/0xe0
 ttwu_do_activate+0x75/0x180
 try_to_wake_up+0x19b/0x4d0
 ? psi_task_switch+0xc5/0x240
 wake_up_q+0x5b/0xa0
 futex_wake+0x12b/0x150
 do_futex+0x1b5/0xb00
 ? __hrtimer_init+0xc0/0xc0
 ? do_epoll_wait+0xb6/0x730
 __x64_sys_futex+0x63/0x1a0
 ? switch_fpu_return+0x40/0xb0
 do_syscall_64+0x40/0x80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f29e1fffe20
Code: 0f 05 48 3d 00 f0 ff ff 0f 87 96 01 00 00 40 84 ed 74 23 45 89 e4 4b 8d 7c a0 28 45 31 d2 ba ff ff ff 7f b8 ca 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 61 01 00 00 48 83 c4 38 31 c0 5b 5d 41 5c
RSP: 002b:00007f29d16c4ea0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 0000000000000081 RCX: 00007f29e1fffe20
RDX: 000000007fffffff RSI: 0000000000000081 RDI: 00007f29c5f1a868
RBP: 0000000000000000 R08: 00007f29c5f1a840 R09: 00007f29c5f1a860
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000000ca R14: 0000000000000881 R15: 00007f29c5f1a840