Backtrace

WARNING: CPU: 1 PID: 177 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: 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 bnep vmnet(OE) ppdev parport_pc parport vmw_vsock_vmci_transport vsock vmw_vmci vmmon(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) sunrpc vfat fat dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua wl(POE) rtl8723de(OE) btcoexist(OE) phydm_mod(OE) rtl8723_common(OE) rtl_pci(OE) rtlwifi(OE) 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_soc_core mac80211 snd_compress ac97_bus btusb btrtl btbcm btintel uvcvideo bluetooth videobuf2_vmalloc videobuf2_memops
 videobuf2_v4l2 videobuf2_common ecdh_generic ecc snd_pcm_dmaengine videodev mc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio cfg80211 snd_hda_intel snd_hda_codec libarc4 iTCO_wdt iTCO_vendor_support mei_hdcp intel_rapl_msr intel_xhci_usb_role_switch snd_hda_core roles kxcjk_1013 snd_hwdep industrialio_triggered_buffer snd_seq kfifo_buf snd_seq_device snd_pcm snd_timer snd intel_vbtn industrialio soundcore mei_me mei processor_thermal_device intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp int340x_thermal_zone intel_soc_dts_iosf int3400_thermal intel_pch_thermal kvm_intel i2c_i801 hp_wmi sparse_keymap kvm acpi_thermal_rel rfkill irqbypass wmi_bmof intel_wmi_thunderbolt hp_wireless joydev crct10dif_pclmul crc32_pclmul acpi_pad ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf binfmt_misc ip_tables i915 i2c_algo_bit drm_kms_helper drm crc32c_intel serio_raw r8169 wmi video fuse
CPU: 1 PID: 177 Comm: kswapd0 Tainted: P           OE     5.3.7-301.fc31.x86_64 #1
Hardware name: HP HP Laptop 15-bs1xx/832A, BIOS F.34 01/25/2018
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 8c 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:ffffb18ac030f8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9eac2580ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff8cbe7883 RDI: 0000000000000046
RBP: ffffffffc03fd780 R08: 00001919aa19d5e0 R09: 0000000000000063
R10: ffffffff8cbe7c00 R11: 000000008cbe786b R12: ffff9eac248f3f80
R13: ffff9eac26a2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9eac26a40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002df82b4f9000 CR3: 00000001b440a005 CR4: 00000000003606e0
Call Trace:
 __flush_work+0x92/0x1c0
 ? enqueue_hrtimer+0x36/0x90
 ? hrtimer_start_range_ns+0x192/0x2d0
 __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