Backtrace

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uinput rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp 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 tun ip6table_nat bridge ip6table_mangle stp llc 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 mei_hdcp snd_soc_sst_byt_cht_es8316 intel_rapl_msr iTCO_wdt iTCO_vendor_support intel_powerclamp coretemp kvm_intel kvm gpio_keys irqbypass crct10dif_pclmul crc32_pclmul r8723bs(C) uvcvideo videobuf2_vmalloc ghash_clmulni_intel videobuf2_memops intel_cstate videobuf2_v4l2 videobuf2_common videodev axp288_fuel_gauge axp288_adc cfg80211 industrialio axp288_charger extcon_axp288 axp20x_pek mc snd_intel_sst_acpi snd_intel_sst_core
 snd_soc_sst_atom_hifi2_platform snd_soc_acpi_intel_match snd_soc_acpi snd_soc_es8316 intel_xhci_usb_role_switch roles snd_soc_core mei_txe processor_thermal_device mei intel_rapl_common intel_soc_dts_iosf lpc_ich snd_hdmi_lpe_audio intel_atomisp2_pm snd_compress ac97_bus snd_pcm_dmaengine hci_uart snd_seq btqca btrtl snd_seq_device btbcm btintel snd_pcm intel_hid sparse_keymap bluetooth intel_cht_int33fe snd_timer snd spi_pxa2xx_platform ecdh_generic soundcore rfkill ecc dw_dmac int3400_thermal intel_int0002_vgpio int3403_thermal int3406_thermal acpi_thermal_rel int340x_thermal_zone acpi_pad soc_button_array ip_tables mmc_block i915 i2c_algo_bit drm_kms_helper drm crc32c_intel hid_ite sdhci_acpi video sdhci mmc_core pwm_lpss_platform pwm_lpss fuse
CPU: 3 PID: 154 Comm: kswapd0 Tainted: G         C        5.3.16-300.fc31.x86_64 #1
Hardware name: Positivo Informatica SA CHT14B/CHT14B, BIOS V02.05.X 07/11/2017
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 b8 14 13 8c 48 89 04 24 c6 05 04 2b 44 01 01 e8 6e 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:ffffbcf1401db8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff996eb100ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff8cbe8883 RDI: 0000000000000046
RBP: ffffffffc05ea7a0 R08: 0000006d1b7b576c R09: 0000000000000063
R10: ffffffff8cbe8c00 R11: 000000008cbe886b R12: ffff996eb2623c00
R13: ffff996eb2e2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff996eb2f80000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93fe556008 CR3: 000000003d40a000 CR4: 00000000001006e0
Call Trace:
 __flush_work+0x92/0x1c0
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? fwtable_write32+0x4c/0x210 [i915]
 gen6_disable_rps_interrupts+0x7f/0xa0 [i915]
 gen6_rps_idle+0x1a/0xe0 [i915]
 intel_gt_park+0x81/0x90 [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