Backtrace

WARNING: CPU: 4 PID: 177 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: ccm rfcomm 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 cmac bnep sunrpc vfat fat sof_pci_dev snd_sof_intel_hda_common snd_hda_codec_hdmi 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_realtek snd_hda_codec_generic snd_soc_core snd_compress ac97_bus x86_pkg_temp_thermal snd_pcm_dmaengine intel_powerclamp coretemp kvm_intel snd_hda_intel kvm snd_hda_codec snd_hda_core iTCO_wdt iTCO_vendor_support snd_hwdep mei_hdcp
 snd_seq irqbypass hid_multitouch snd_seq_device intel_rapl_msr dell_laptop crct10dif_pclmul snd_pcm crc32_pclmul ledtrig_audio uvcvideo snd_timer dell_smm_hwmon dell_wmi ghash_clmulni_intel iwlmvm intel_cstate videobuf2_vmalloc dell_smbios intel_uncore intel_rapl_perf dcdbas snd videobuf2_memops joydev mac80211 dell_wmi_descriptor wmi_bmof btusb soundcore hid_sensor_magn_3d i2c_i801 btrtl videobuf2_v4l2 hid_sensor_incl_3d hid_sensor_rotation hid_sensor_gyro_3d hid_sensor_accel_3d btbcm hid_sensor_trigger libarc4 videobuf2_common hid_sensor_iio_common btintel bluetooth iwlwifi videodev mei_me industrialio_triggered_buffer kfifo_buf ecdh_generic mei mc ecc cfg80211 idma64 industrialio processor_thermal_device cros_ec_ishtp intel_rapl_common intel_lpss_pci cros_ec_core rfkill intel_lpss intel_soc_dts_iosf intel_pch_thermal ucsi_acpi typec_ucsi typec int3403_thermal int3402_thermal int3400_thermal soc_button_array intel_hid acpi_thermal_rel int340x_thermal_zone sparse_keymap
 acpi_pad acpi_tad ip_tables hid_sensor_hub intel_ishtp_loader intel_ishtp_hid i915 nouveau ttm i2c_algo_bit drm_kms_helper mxm_wmi drm r8169 crc32c_intel serio_raw intel_ish_ipc intel_ishtp i2c_hid pinctrl_cannonlake wmi video pinctrl_intel fuse
CPU: 4 PID: 177 Comm: kswapd0 Not tainted 5.3.7-301.fc31.x86_64 #1
Hardware name: Dell Inc. Vostro 5481/0D99JV, BIOS 2.1.0 01/31/2019
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 98 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:ffffb46a802cf8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffffa0c02b80ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff98be7883 RDI: 0000000000000046
RBP: ffffffffc0733780 R08: 000009e774ed76c6 R09: 0000000000000063
R10: ffffffff98be7c00 R11: 0000000098be786b R12: ffffa0c02aa03f80
R13: ffffa0c02d56d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffffa0c02d500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001b075f5f2000 CR3: 000000045d40a003 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+0x35/0x40