Backtrace

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: nls_utf8 isofs uas usb_storage uinput rfcomm ccm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc 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 intel_powerclamp coretemp snd_soc_sst_bytcr_rt5640 mei_hdcp btusb uvcvideo btrtl iwlmvm btbcm intel_rapl_msr btintel kvm videobuf2_vmalloc intel_chtdc_ti_pwrbtn mac80211 videobuf2_memops videobuf2_v4l2 bluetooth libarc4 gpio_keys videobuf2_common iwlwifi videodev irqbypass mc sof_acpi_dev crct10dif_pclmul snd_sof_intel_byt snd_sof_intel_bdw crc32_pclmul snd_sof_intel_ipc snd_sof ecdh_generic cfg80211
 ecc ghash_clmulni_intel intel_cstate snd_sof_xtensa_dsp wdat_wdt snd_intel_sst_acpi snd_intel_sst_core hp_wmi wmi_bmof snd_soc_sst_atom_hifi2_platform joydev snd_soc_rt5640 snd_soc_acpi_intel_match snd_soc_acpi snd_soc_rl6231 hid_sensor_incl_3d hid_sensor_magn_3d hid_sensor_rotation hid_sensor_accel_3d snd_soc_core hid_sensor_gyro_3d rfkill hid_sensor_trigger hid_sensor_iio_common industrialio_triggered_buffer kfifo_buf mei_txe industrialio mei intel_xhci_usb_role_switch roles snd_compress ac97_bus snd_hdmi_lpe_audio cros_ec_ishtp lpc_ich cros_ec_core processor_thermal_device snd_pcm_dmaengine intel_rapl_common intel_soc_dts_iosf snd_seq intel_atomisp2_pm snd_seq_device snd_pcm intel_soc_pmic_chtdc_ti snd_timer spi_pxa2xx_platform snd soundcore dw_dmac int3400_thermal intel_vbtn sparse_keymap int3403_thermal intel_int0002_vgpio acpi_thermal_rel int340x_thermal_zone soc_button_array acpi_pad ip_tables hid_sensor_hub intel_ishtp_loader intel_ishtp_hid i915 mmc_block
 hid_multitouch i2c_algo_bit drm_kms_helper crc32c_intel drm hid_elan intel_ish_ipc intel_ishtp wmi video sdhci_acpi sdhci i2c_hid mmc_core pwm_lpss_platform pwm_lpss fuse
CPU: 3 PID: 154 Comm: kswapd0 Tainted: G        W         5.3.8-300.fc31.x86_64 #1
Hardware name: HP HP x2 Detachable 10-p0XX/827C, BIOS F.33 10/30/2018
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 a8 0d 13 9b 48 89 04 24 c6 05 43 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:ffffb064001cf8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9d2dfb00ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff9bbe7883 RDI: 0000000000000046
RBP: ffffffffc04ef780 R08: 000045aafec8e69c R09: 0000000000000063
R10: ffffffff9bbe7c00 R11: 000000009bbe786b R12: ffff9d2dfaa35a00
R13: ffff9d2dfba2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9d2dfbb80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000099f10666000 CR3: 000000017640a000 CR4: 00000000001006e0
Call Trace:
 __flush_work+0x92/0x1c0
 ? apic_timer_interrupt+0xa/0x20
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 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+0xd3/0x510 [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