Backtrace

WARNING: CPU: 0 PID: 7475 at kernel/workqueue.c:2613 check_flush_dependency+0x10a/0x120
Modules linked in: squashfs loop uinput snd_seq_dummy snd_hrtimer rfcomm ccm 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 snd_hda_codec_analog snd_hda_codec_generic ledtrig_audio iTCO_wdt intel_pmc_bxt iTCO_vendor_support snd_hda_codec_hdmi iwldvm mei_wdt ppdev mac80211 snd_hda_intel snd_intel_dspcfg coretemp uvcvideo soundwire_intel soundwire_generic_allocation libarc4 snd_soc_core videobuf2_vmalloc videobuf2_memops pcspkr videobuf2_v4l2 btusb videobuf2_common joydev btrtl hp_wmi btbcm snd_compress sparse_keymap btintel videodev wmi_bmof bluetooth snd_pcm_dmaengine soundwire_cadence iwlwifi
 snd_hda_codec mc cfg80211 r592 lpc_ich memstick snd_hda_core ecdh_generic ac97_bus rfkill ecc snd_hwdep snd_seq snd_seq_device snd_pcm parport_pc parport snd_timer snd soundcore hp_accel mei_me tpm_infineon mei lis3lv02d acpi_cpufreq zram ip_tables pata_pcmcia radeon i2c_algo_bit drm_ttm_helper ttm drm_kms_helper cec sdhci_pci cqhci sdhci mmc_core serio_raw drm firewire_ohci yenta_socket firewire_core e1000e crc_itu_t ata_generic pata_acpi wmi video fuse
CPU: 0 PID: 7475 Comm: kworker/0:2H Tainted: G          I       5.11.12-300.fc34.x86_64 #1
Hardware name: Hewlett-Packard HP EliteBook 8730w/30EC, BIOS 68PAD Ver. F.20 12/07/2011
Workqueue: acpi_thermal_pm acpi_thermal_check_fn
RIP: 0010:check_flush_dependency+0x10a/0x120
Code: 4c 24 18 48 8d b2 b0 00 00 00 49 89 e8 48 8d 8b b0 00 00 00 48 c7 c7 98 1e 3a ba c6 05 21 92 c1 01 01 4c 89 ca e8 15 74 a7 00 <0f> 0b e9 11 ff ff ff 80 3d 0c 92 c1 01 00 75 91 e9 43 ff ff ff 90
RSP: 0018:ffffbbe140e0bc80 EFLAGS: 00010082
RAX: 0000000000000072 RBX: ffff98dafa4fce00 RCX: 0000000000000027
RDX: ffff98dafba18ac8 RSI: 0000000000000001 RDI: ffff98dafba18ac0
RBP: ffffffffb90f3bf0 R08: 0000000000000000 R09: ffffbbe140e0bab0
R10: ffffbbe140e0baa8 R11: ffffffffbab44f08 R12: ffff98da885c2d80
R13: ffff98dae40e4c80 R14: ffff98dafbaa9980 R15: ffff98da819c5000
FS:  0000000000000000(0000) GS:ffff98dafba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f366edb0000 CR3: 0000000058742000 CR4: 00000000000006f0
Call Trace:
 __flush_work.isra.0+0xa8/0x200
 ? queue_work_on+0x27/0x40
 work_on_cpu+0x59/0x70
 ? __traceiter_workqueue_execute_end+0x40/0x40
 ? acpi_processor_set_throttling_fadt+0xd0/0xd0
 __acpi_processor_set_throttling+0x195/0x2a0
 thermal_cdev_update+0x9d/0x180
 step_wise_throttle+0x4a/0x80
 handle_thermal_trip+0xd1/0x260
 thermal_zone_device_update.part.0+0x62/0x110
 acpi_thermal_check_fn+0x38/0x80
 process_one_work+0x1ec/0x380
 worker_thread+0x53/0x3e0
 ? process_one_work+0x380/0x380
 kthread+0x11b/0x140
 ? kthread_associate_blkcg+0xa0/0xa0
 ret_from_fork+0x22/0x30