Backtrace

WARNING: CPU: 2 PID: 179 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: rfcomm cmac bnep ccm nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT 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 libcrc32c ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc vfat fat uvcvideo x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm videobuf2_vmalloc videobuf2_memops kvm videobuf2_v4l2 videobuf2_common mac80211 videodev irqbypass mc libarc4 btusb sof_pci_dev snd_sof_intel_hda_common snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_hdmi snd_soc_core btrtl dell_rbtn snd_compress btbcm
 crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul snd_hda_codec_generic btintel ghash_clmulni_intel ac97_bus bluetooth joydev intel_cstate intel_uncore snd_pcm_dmaengine dell_laptop ledtrig_audio ecdh_generic ecc iTCO_wdt mei_hdcp hid_multitouch intel_rapl_msr iTCO_vendor_support dell_smm_hwmon snd_hda_intel intel_rapl_perf snd_hda_codec ucsi_acpi typec_ucsi snd_hda_core typec dell_wmi dell_smbios dcdbas wmi_bmof intel_wmi_thunderbolt dell_wmi_descriptor snd_hwdep iwlwifi snd_seq dell_smo8800 intel_hid snd_seq_device snd_pcm cfg80211 snd_timer idma64 sparse_keymap int3403_thermal snd processor_thermal_device intel_lpss_pci intel_rapl_common mei_me int340x_thermal_zone int3400_thermal rfkill intel_soc_dts_iosf acpi_thermal_rel mei intel_lpss i2c_i801 soundcore intel_pch_thermal acpi_tad acpi_pad ip_tables nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper sdhci_pci cqhci drm sdhci crc32c_intel r8169 mmc_core serio_raw i2c_hid video pinctrl_cannonlake wmi pinctrl_intel fuse
CPU: 2 PID: 179 Comm: kswapd0 Tainted: G        W         5.3.7-301.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude 3400/03F34D, BIOS 1.7.1 09/11/2019
RIP: 0010:check_flush_dependency+0xa0/0x130
Code: 8d 8a 18 07 00 00 49 89 e8 48 8d 8b b0 00 00 00 4c 89 ca 48 c7 c7 28 0c 13 a3 48 89 04 24 c6 05 83 2c 44 01 01 e8 9e 2b fe ff <0f> 0b 48 8b 04 24 eb 10 4c 89 e7 e8 80 81 00 00 41 f6 44 24 25 08
RSP: 0018:ffffaef70030b8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff94079c40ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffa3be7883 RDI: 0000000000000046
RBP: ffffffffc04e8780 R08: 0000cc21056d6282 R09: 0000000000000063
R10: ffffffffa3be7c00 R11: 00000000a3be786b R12: ffff94079b495f40
R13: ffff94079e22d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff94079e280000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc12ae39000 CR3: 000000022e40a002 CR4: 00000000003606e0
Call Trace:
 __flush_work+0x92/0x1c0
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? fwtable_write32+0x1a0/0x210 [i915]
 gen6_disable_rps_interrupts+0x7f/0xa0 [i915]
 gen6_rps_idle+0x1a/0xe0 [i915]
 intel_gt_park+0x54/0x60 [i915]
 __intel_wakeref_put_last+0x17/0x50 [i915]
 __engine_park+0xbc/0xd0 [i915]
 __intel_wakeref_put_last+0x17/0x50 [i915]
 i915_request_retire+0x1aa/0x370 [i915]
 ring_retire_requests+0x4e/0x60 [i915]
 i915_retire_requests+0x43/0x80 [i915]
 i915_gem_shrink+0x355/0x510 [i915]
 i915_gem_shrinker_scan+0x63/0x110 [i915]
 do_shrink_slab+0x154/0x2c0
 shrink_slab+0xac/0x2b0
 shrink_node+0xf5/0x490
 balance_pgdat+0x2db/0x530
 kswapd+0x1fb/0x3c0
 ? finish_wait+0x80/0x80
 kthread+0xfb/0x130
 ? balance_pgdat+0x530/0x530
 ? kthread_park+0x80/0x80
 ret_from_fork+0x1f/0x40