Backtrace

WARNING: CPU: 1 PID: 154 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 snd_soc_sst_byt_cht_cx2072x iTCO_wdt iTCO_vendor_support mei_hdcp intel_powerclamp intel_rapl_msr coretemp kvm gpio_keys irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel intel_cstate iwlmvm hp_wmi sparse_keymap mac80211 sof_acpi_dev libarc4 snd_sof_intel_byt axp288_fuel_gauge axp288_charger snd_sof_intel_bdw extcon_axp288 btusb snd_sof_intel_ipc axp288_adc btrtl iwlwifi snd_sof axp20x_pek btbcm btintel bluetooth snd_sof_xtensa_dsp snd_intel_sst_acpi snd_intel_sst_core joydev cfg80211
 snd_soc_sst_atom_hifi2_platform wmi_bmof snd_soc_acpi_intel_match snd_soc_acpi snd_soc_cx2072x snd_soc_core ecdh_generic rfkill lpc_ich ecc hid_sensor_gyro_3d hid_sensor_incl_3d hid_sensor_accel_3d snd_compress snd_hdmi_lpe_audio hid_sensor_als hid_sensor_magn_3d hid_sensor_rotation ac97_bus snd_pcm_dmaengine hid_sensor_trigger snd_seq hid_sensor_iio_common industrialio_triggered_buffer kfifo_buf industrialio snd_seq_device mei_txe mei intel_xhci_usb_role_switch roles snd_pcm cros_ec_ishtp processor_thermal_device cros_ec_core intel_rapl_common intel_atomisp2_pm intel_soc_dts_iosf snd_timer snd spi_pxa2xx_platform soundcore dw_dmac int3400_thermal int3406_thermal int3403_thermal acpi_thermal_rel int340x_thermal_zone soc_button_array acpi_pad intel_int0002_vgpio 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 intel_ish_ipc hid_elan intel_ishtp video i2c_hid sdhci_acpi sdhci wmi mmc_core
 pwm_lpss_platform pwm_lpss fuse
CPU: 1 PID: 154 Comm: kswapd0 Not tainted 5.3.7-301.fc31.x86_64 #1
Hardware name: HP HP Pavilion x2 Detachable/813E, BIOS F.04 09/11/2015
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 a6 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:ffffaa05009438d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff901f7700ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffa6be7883 RDI: 0000000000000046
RBP: ffffffffc0560780 R08: 00000098ba72e2ba R09: 0000000000000063
R10: ffffffffa6be7c00 R11: 00000000a6be786b R12: ffff901f78509e00
R13: ffff901f7902d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff901f79080000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f476401aec8 CR3: 000000001140a000 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
 ? __switch_to_asm+0x34/0x70
 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