Backtrace

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: rfcomm 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 cmac bnep sunrpc vfat fat squashfs zstd_decompress loop uvcvideo intel_rapl_msr intel_rapl_common snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core ath10k_pci videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc ath10k_core snd_soc_skl_ipc x86_pkg_temp_thermal intel_powerclamp coretemp mac80211 snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_hdmi snd_soc_core snd_hda_codec_generic kvm irqbypass ledtrig_audio crct10dif_pclmul crc32_pclmul btusb btrtl btbcm ghash_clmulni_intel
 btintel snd_compress ac97_bus snd_pcm_dmaengine ath snd_hda_intel bluetooth snd_hda_codec joydev iTCO_wdt iTCO_vendor_support cfg80211 ecdh_generic ecc snd_hda_core snd_hwdep snd_seq intel_cstate snd_seq_device intel_xhci_usb_role_switch ideapad_laptop elan_i2c intel_uncore libarc4 intel_rapl_perf mei_hdcp snd_pcm roles snd_timer sparse_keymap rfkill snd i2c_i801 soundcore mei_me mei idma64 intel_pch_thermal acpi_pad intel_lpss_pci intel_lpss intel_wmi_thunderbolt wmi_bmof ip_tables hid_logitech_hidpp i915 nouveau mxm_wmi ttm i2c_algo_bit drm_kms_helper hid_logitech_dj drm crc32c_intel r8169 serio_raw i2c_hid video wmi fuse
CPU: 3 PID: 154 Comm: kswapd0 Not tainted 5.3.7-301.fc31.x86_64 #1
Hardware name: LENOVO 81DC/LNVNB161216, BIOS 8RCN10WW 04/13/2018
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 bc 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: 0000:ffffa551c01f78d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff99053dc0ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffbcbe7883 RDI: 0000000000000046
RBP: ffffffffc04d5780 R08: 00002b5dd97b6c4e R09: 0000000000000063
R10: ffffffffbcbe7c00 R11: 00000000bcbe786b R12: ffff99053d0b8000
R13: ffff99053ec2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff99053ed80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020d62f404000 CR3: 0000000121ffc006 CR4: 00000000003606e0
Call Trace:
 __flush_work+0x92/0x1c0
 ? __switch_to_asm+0x40/0x70
 ? __switch_to_asm+0x34/0x70
 __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