WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uinput snd_seq_dummy snd_hrtimer xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_nat_tftp nf_conntrack_tftp bridge stp llc ccm nft_objref nf_conntrack_netbios_ns nf_conntrack_broadcast nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib nft_reject_inet nf_reject_ipv4 nf_reject_ipv6 nft_reject nft_ct nf_tables_set nft_chain_nat nf_tables ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c iptable_mangle iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc ath9k snd_hda_codec_hdmi ath9k_common snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio uvcvideo ath9k_hw mac80211 videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 sdhci_pci snd_hda_intel cqhci videobuf2_common sdhci ath cfg80211 videodev acer_wmi snd_hda_codec mmc_core iTCO_wdt snd_hda_core mc libarc4 i915 sparse_keymap
 iTCO_vendor_support snd_hwdep snd_seq snd_seq_device snd_pcm intel_rapl_msr intel_rapl_common wmi_bmof x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel rfkill snd_timer i2c_algo_bit snd tg3 lpc_ich soundcore mei_hdcp drm_kms_helper mei_me joydev mei serio_raw kvm i2c_i801 irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel video wmi ghash_clmulni_intel intel_cstate intel_uncore intel_rapl_perf drm fuse ip_tables
CPU: 3 PID: 154 Comm: kswapd0 Not tainted 5.3.16-300.fc31.x86_64 #1
Hardware name: Acer Aspire E1-571/EA50_HC_CR, BIOS V2.15 03/11/2013
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 96 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: 0018:ffffa690401c38d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9ab90600ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff96be8883 RDI: 0000000000000046
RBP: ffffffffc05287a0 R08: 0000d238b5c0ec9e R09: 0000000000000063
R10: ffffffff96be8c00 R11: 0000000096be886b R12: ffff9ab905b9be80
R13: ffff9ab90722d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9ab9072c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001990cbed4070 CR3: 00000001daae2006 CR4: 00000000001606e0
Call Trace:
 __flush_work+0x92/0x1c0
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? gen6_write32+0x4b/0x1c0 [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]
 ? __switch_to_asm+0x40/0x70
 ring_retire_requests+0x4e/0x60 [i915]
 i915_retire_requests+0x43/0x80 [i915]
 i915_gem_shrink+0xd3/0x510 [i915]
 ? __switch_to_asm+0x34/0x70
 ? __switch_to_asm+0x34/0x70
 ? __switch_to_asm+0x40/0x70
 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

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uinput bnep nf_conntrack_netlink xt_addrtype br_netfilter 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 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 tun bridge stp llc ip_set nfnetlink ebtable_filter ebtables overlay ip6table_filter ip6_tables iptable_filter sunrpc vfat fat rmi_smbus rmi_core intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm btusb irqbypass btrtl mei_hdcp btbcm uvcvideo videobuf2_vmalloc iTCO_wdt mei_wdt iTCO_vendor_support videobuf2_memops intel_cstate snd_hda_codec_realtek snd_hda_codec_generic btintel snd_hda_codec_hdmi videobuf2_v4l2 snd_hda_intel snd_hda_codec snd_hda_core intel_uncore joydev iwlmvm
 snd_hwdep wmi_bmof bluetooth videobuf2_common snd_seq mac80211 snd_seq_device intel_rapl_perf libarc4 videodev mc iwlwifi intel_pch_thermal rtsx_pci_ms ecdh_generic cfg80211 snd_pcm thinkpad_acpi ecc i2c_i801 memstick mei_me ledtrig_audio snd_timer mei snd lpc_ich soundcore rfkill ip_tables dm_crypt hid_logitech_hidpp hid_logitech_dj hid_multitouch i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul i2c_algo_bit crc32c_intel drm_kms_helper e1000e drm ghash_clmulni_intel serio_raw rtsx_pci wmi video fuse
CPU: 3 PID: 154 Comm: kswapd0 Not tainted 5.3.16-300.fc31.x86_64 #1
Hardware name: LENOVO 20CM0012AU/20CM0012AU, BIOS N10ET27W (1.04 ) 12/01/2014
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 86 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:ffffb7b9001df8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff97d96480ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff86be8883 RDI: 0000000000000046
RBP: ffffffffc04747a0 R08: 000037f598b3a059 R09: 0000000000000063
R10: ffffffff86be8c00 R11: 0000000086be886b R12: ffff97d963debe80
R13: ffff97d965aad700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff97d965ac0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000029958b18c000 CR3: 0000000131a3a003 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __flush_work+0x92/0x1c0
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? gen8_write32+0x197/0x200 [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]
 ? enqueue_entity+0x10e/0x650
 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

WARNING: CPU: 1 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: ccm tcp_diag inet_diag xt_nat veth thunderbolt uinput rfcomm nf_conntrack_netlink xt_addrtype br_netfilter 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 overlay ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs zstd_decompress loop 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 intel_rapl_msr snd_hda_codec_hdmi intel_rapl_common snd_hda_codec_realtek snd_compress snd_hda_codec_generic ac97_bus mei_hdcp x86_pkg_temp_thermal
 snd_pcm_dmaengine iTCO_wdt intel_powerclamp snd_hda_intel iTCO_vendor_support coretemp kvm_intel iwlmvm snd_hda_codec mac80211 kvm libarc4 iwlwifi irqbypass snd_hda_core intel_cstate snd_hwdep btusb snd_seq btrtl intel_uncore btbcm btintel intel_rapl_perf snd_seq_device snd_pcm uvcvideo bluetooth videobuf2_vmalloc intel_wmi_thunderbolt videobuf2_memops wmi_bmof videobuf2_v4l2 videobuf2_common i2c_i801 cfg80211 snd_timer videodev mc ecdh_generic ecc joydev mei_me mei intel_xhci_usb_role_switch ucsi_acpi roles typec_ucsi intel_pch_thermal typec thinkpad_acpi ledtrig_audio snd soundcore rfkill acpi_pad ip_tables dm_crypt i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul uas crc32_pclmul e1000e nvme crc32c_intel drm serio_raw nvme_core usb_storage ghash_clmulni_intel wmi video fuse
CPU: 1 PID: 154 Comm: kswapd0 Tainted: G        W         5.3.16-300.fc31.x86_64 #1
Hardware name: LENOVO 20HF0047UK/20HF0047UK, BIOS N1WET56W (1.35 ) 08/30/2019
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 ad 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: 0018:ffffb080001d78d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff94fef080ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffadbe8883 RDI: 0000000000000046
RBP: ffffffffc03f97a0 R08: 0000dae4adcff7ab R09: 0000000000000063
R10: ffffffffadbe8c00 R11: 00000000adbe886b R12: ffff94feefda9fc0
R13: ffff94fef242d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff94fef2480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002e8580031580 CR3: 000000045740a006 CR4: 00000000003606e0
Call Trace:
 __flush_work+0x92/0x1c0
 __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+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+0xd3/0x510 [i915]
 ? update_load_avg+0x76/0x600
 ? account_entity_enqueue+0x9c/0xd0
 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

WARNING: CPU: 1 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uinput bnep nf_conntrack_netlink xt_addrtype br_netfilter 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 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 tun bridge stp llc ip_set nfnetlink overlay ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc vfat fat intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp rmi_smbus kvm_intel rmi_core kvm irqbypass uvcvideo intel_cstate videobuf2_vmalloc videobuf2_memops intel_uncore iwlmvm btusb videobuf2_v4l2 btrtl btbcm mac80211 videobuf2_common intel_rapl_perf btintel mei_hdcp iTCO_wdt mei_wdt iTCO_vendor_support libarc4 snd_hda_codec_realtek snd_hda_codec_generic
 snd_hda_codec_hdmi snd_hda_intel iwlwifi bluetooth snd_hda_codec videodev cfg80211 wmi_bmof joydev mc snd_hda_core rtsx_pci_ms memstick snd_hwdep snd_seq snd_seq_device thinkpad_acpi ecdh_generic snd_pcm mei_me ecc ledtrig_audio mei snd_timer lpc_ich snd intel_pch_thermal soundcore rfkill i2c_i801 ip_tables dm_crypt uas usb_storage hid_multitouch i915 rtsx_pci_sdmmc mmc_core crct10dif_pclmul crc32_pclmul crc32c_intel i2c_algo_bit drm_kms_helper ghash_clmulni_intel drm serio_raw e1000e rtsx_pci wmi video fuse
CPU: 1 PID: 154 Comm: kswapd0 Not tainted 5.3.16-300.fc31.x86_64 #1
Hardware name: LENOVO 20CM0012AU/20CM0012AU, BIOS N10ET27W (1.04 ) 12/01/2014
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 a3 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: 0018:ffffb71e401f78d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff8947a480ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffa3be8883 RDI: 0000000000000046
RBP: ffffffffc04657a0 R08: 000075a636e1b21b R09: 0000000000000063
R10: ffffffffa3be8c00 R11: 00000000a3be886b R12: ffff8947a3ee3e80
R13: ffff8947a5a2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff8947a5a40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00001cfa52247000 CR3: 000000013c40a002 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __flush_work+0x92/0x1c0
 ? __pagevec_release+0x1b/0x40
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? gen8_write32+0x197/0x200 [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
 ? check_preempt_curr+0x4a/0x90
 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

WARNING: CPU: 2 PID: 155 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: 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 snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc x86_pkg_temp_thermal intel_powerclamp coretemp snd_soc_sst_dsp kvm_intel snd_soc_acpi_intel_match snd_soc_acpi iwlmvm snd_soc_core snd_hda_codec_hdmi kvm mac80211 snd_hda_codec_realtek snd_hda_codec_generic snd_compress ac97_bus snd_pcm_dmaengine snd_hda_intel libarc4 iTCO_wdt iTCO_vendor_support ppdev mei_wdt mei_hdcp snd_hda_codec
 uvcvideo iwlwifi intel_rapl_msr irqbypass crct10dif_pclmul videobuf2_vmalloc crc32_pclmul snd_hda_core dell_laptop ledtrig_audio btusb snd_hwdep videobuf2_memops btrtl snd_seq videobuf2_v4l2 btbcm dell_smm_hwmon btintel ghash_clmulni_intel videobuf2_common intel_cstate snd_seq_device cfg80211 intel_uncore videodev bluetooth intel_rapl_perf snd_pcm rtsx_pci_ms dell_wmi mc memstick dell_smbios joydev dcdbas ecdh_generic sparse_keymap wmi_bmof snd_timer dell_wmi_descriptor ecc snd soundcore i2c_i801 intel_xhci_usb_role_switch roles parport_pc parport processor_thermal_device mei_me dell_rbtn intel_rapl_common int3403_thermal mei int3400_thermal acpi_thermal_rel intel_soc_dts_iosf acpi_pad int340x_thermal_zone intel_pch_thermal rfkill ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper e1000e crc32c_intel drm serio_raw rtsx_pci wmi video fuse
CPU: 2 PID: 155 Comm: kswapd0 Tainted: G        W         5.3.16-300.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude E7470/, BIOS 1.22.8 10/08/2019
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 8a 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: 0018:ffffa97ec01e38d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff8d308480ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff8abe8883 RDI: 0000000000000046
RBP: ffffffffc05287a0 R08: 0002ed2091ed6eda R09: 0000000000000063
R10: ffffffff8abe8c00 R11: 000000008abe886b R12: ffff8d3083da3f80
R13: ffff8d3085a2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff8d3085b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002a9f0c492000 CR3: 000000022b0ac005 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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
 ? _raw_spin_lock_irqsave+0x32/0x40
 ? 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

WARNING: CPU: 1 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: tcp_diag inet_diag xt_nat veth thunderbolt uinput rfcomm nf_conntrack_netlink xt_addrtype br_netfilter 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 overlay ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs zstd_decompress loop intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm mei_hdcp iwlmvm iTCO_wdt iTCO_vendor_support mac80211 btusb libarc4 uvcvideo irqbypass intel_cstate btrtl btbcm snd_soc_skl btintel iwlwifi intel_uncore videobuf2_vmalloc videobuf2_memops videobuf2_v4l2
 intel_rapl_perf bluetooth videobuf2_common snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc snd_soc_sst_ipc videodev snd_soc_sst_dsp cfg80211 snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_hda_codec_hdmi joydev mc intel_wmi_thunderbolt ecdh_generic wmi_bmof snd_compress ac97_bus snd_hda_codec_realtek ecc snd_pcm_dmaengine snd_hda_codec_generic snd_hda_intel intel_xhci_usb_role_switch roles snd_hda_codec thinkpad_acpi snd_hda_core ledtrig_audio snd_hwdep rfkill snd_seq snd_seq_device snd_pcm mei_me snd_timer mei intel_pch_thermal ucsi_acpi snd i2c_i801 typec_ucsi soundcore typec acpi_pad ip_tables dm_crypt i915 i2c_algo_bit crct10dif_pclmul drm_kms_helper crc32_pclmul crc32c_intel nvme e1000e ghash_clmulni_intel serio_raw uas drm nvme_core usb_storage wmi video fuse
CPU: 1 PID: 154 Comm: kswapd0 Not tainted 5.3.16-300.fc31.x86_64 #1
Hardware name: LENOVO 20HF0047UK/20HF0047UK, BIOS N1WET56W (1.35 ) 08/30/2019
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 9d 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: 0018:ffffab9e801e78d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff999ab080ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff9dbe8883 RDI: 0000000000000046
RBP: ffffffffc041d7a0 R08: 0000ceca159d2ec0 R09: 0000000000000063
R10: ffffffff9dbe8c00 R11: 000000009dbe886b R12: ffff999ab0371fc0
R13: ffff999ab242d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff999ab2480000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002c7f59251000 CR3: 0000000315628005 CR4: 00000000003606e0
Call Trace:
 __flush_work+0x92/0x1c0
 __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+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]
 ? enqueue_entity+0x10e/0x650
 i915_gem_shrinker_scan+0x63/0x110 [i915]
 do_shrink_slab+0x154/0x2c0
 ? check_preempt_curr+0x4a/0x90
 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

WARNING: CPU: 2 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: ccm wireguard(OE) ip6_udp_tunnel udp_tunnel uinput rfcomm 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 cdc_mbim cdc_ncm cmac bnep sunrpc vfat fat snd_soc_skl iwlmvm intel_rapl_msr snd_soc_hdac_hda intel_rapl_common snd_hda_ext_core snd_soc_skl_ipc mac80211 x86_pkg_temp_thermal intel_powerclamp snd_soc_sst_ipc snd_soc_sst_dsp coretemp snd_soc_acpi_intel_match snd_soc_acpi libarc4 snd_soc_core snd_hda_codec_hdmi snd_compress snd_hda_codec_conexant iwlwifi snd_hda_codec_generic ac97_bus ledtrig_audio mei_hdcp
 snd_pcm_dmaengine iTCO_wdt kvm iTCO_vendor_support mei_wdt snd_hda_intel uvcvideo btusb snd_hda_codec btrtl btbcm btintel videobuf2_vmalloc cdc_ether videobuf2_memops cfg80211 bluetooth snd_hda_core snd_hwdep videobuf2_v4l2 snd_seq snd_seq_device videobuf2_common irqbypass snd_pcm intel_cstate videodev intel_uncore intel_rapl_perf snd_timer joydev hp_wmi snd sparse_keymap wmi_bmof intel_wmi_thunderbolt rtsx_pci_ms mc i2c_i801 soundcore ecdh_generic memstick ecc rfkill idma64 mei_me intel_lpss_pci mei intel_lpss intel_xhci_usb_role_switch intel_pch_thermal roles hp_accel lis3lv02d input_polldev hp_wireless acpi_pad tpm_infineon binfmt_misc ip_tables dm_crypt i915 rtsx_pci_sdmmc crct10dif_pclmul mmc_core crc32_pclmul crc32c_intel e1000e nvme i2c_algo_bit qmi_wwan cdc_wdm drm_kms_helper nvme_core ghash_clmulni_intel drm rtsx_pci usbnet serio_raw mii wmi video pinctrl_sunrisepoint pinctrl_intel fuse
CPU: 2 PID: 154 Comm: kswapd0 Tainted: G           OE     5.3.16-300.fc31.x86_64 #1
Hardware name: HP HP EliteBook 840 G3/8079, BIOS N75 Ver. 01.38 01/20/2019
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 9e 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: 0018:ffffa840001d38d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff95efb040ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff9ebe8883 RDI: 0000000000000046
RBP: ffffffffc054a7a0 R08: 00033272d41bbd48 R09: 0000000000000063
R10: ffffffff9ebe8c00 R11: 000000009ebe886b R12: ffff95efafeabf80
R13: ffff95efb142d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff95efb1500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9b7bc5e000 CR3: 0000000157434006 CR4: 00000000003606e0
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+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
 ? __switch_to_asm+0x34/0x70
 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

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: ipheth xt_nat veth rfcomm nf_conntrack_netlink xt_addrtype br_netfilter 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 vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) ip_set nfnetlink ebtable_filter ebtables overlay ip6table_filter vboxdrv(OE) ip6_tables iptable_filter cmac bnep sunrpc vfat fat squashfs zstd_decompress loop intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel uvcvideo snd_soc_skl snd_soc_hdac_hda btusb snd_hda_ext_core videobuf2_vmalloc snd_soc_skl_ipc btrtl videobuf2_memops btbcm videobuf2_v4l2 btintel snd_soc_sst_ipc videobuf2_common kvm
 snd_soc_sst_dsp videodev snd_soc_acpi_intel_match iTCO_wdt mc bluetooth snd_soc_acpi iTCO_vendor_support mei_hdcp iwlmvm snd_soc_core mac80211 snd_hda_codec_hdmi irqbypass libarc4 crct10dif_pclmul snd_hda_codec_realtek crc32_pclmul snd_hda_codec_generic snd_compress ecdh_generic ac97_bus ecc iwlwifi snd_pcm_dmaengine snd_hda_intel ghash_clmulni_intel snd_hda_codec intel_cstate intel_uncore intel_rapl_perf snd_hda_core snd_hwdep snd_seq joydev wmi_bmof snd_seq_device intel_wmi_thunderbolt cfg80211 snd_pcm rtsx_pci_ms i2c_i801 mei_me memstick snd_timer thinkpad_acpi mei intel_xhci_usb_role_switch roles ledtrig_audio intel_pch_thermal snd soundcore rfkill acpi_pad binfmt_misc ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper e1000e nvme drm crc32c_intel serio_raw nvme_core rtsx_pci wmi video fuse
CPU: 3 PID: 154 Comm: kswapd0 Tainted: G        W  OE     5.3.16-300.fc31.x86_64 #1
Hardware name: LENOVO 20J4002FPG/20J4002FPG, BIOS R0GET63W (1.63 ) 02/24/2018
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 b8 14 13 a5 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: 0018:ffffc077401e38d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9dfcd080ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffa5be8883 RDI: 0000000000000046
RBP: ffffffffc03997a0 R08: 000063b7f2924ffa R09: 0000000000000063
R10: ffffffffa5be8c00 R11: 00000000a5be886b R12: ffff9dfccff39fc0
R13: ffff9dfcd242d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9dfcd2580000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000143f670 CR3: 00000002d940a002 CR4: 00000000003626e0
Call Trace:
 __flush_work+0x92/0x1c0
 ? common_interrupt+0xa/0xf
 __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+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

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

WARNING: CPU: 5 PID: 178 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uas usb_storage rfcomm xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp bridge stp llc nf_nat_ftp nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ftp 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 vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) tun cmac bnep sunrpc vfat fat snd_soc_skl snd_hda_codec_hdmi 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 x86_pkg_temp_thermal snd_soc_acpi intel_powerclamp snd_soc_core snd_hda_codec_realtek coretemp snd_hda_codec_generic snd_compress ac97_bus iwlmvm ledtrig_audio kvm_intel snd_pcm_dmaengine snd_hda_intel iTCO_wdt
 hid_multitouch iTCO_vendor_support mei_hdcp mei_wdt intel_rapl_msr mac80211 kvm snd_usb_audio snd_hda_codec snd_usbmidi_lib libarc4 irqbypass intel_cstate snd_hda_core snd_rawmidi snd_hwdep intel_uncore iwlwifi intel_rapl_perf uvcvideo btusb snd_seq btrtl btbcm snd_seq_device hp_wmi btintel videobuf2_vmalloc cfg80211 intel_wmi_thunderbolt sparse_keymap wmi_bmof snd_pcm i2c_i801 videobuf2_memops bluetooth videobuf2_v4l2 snd_timer videobuf2_common snd thunderbolt videodev soundcore mc mei_me ecdh_generic joydev rfkill ecc mei idma64 processor_thermal_device intel_lpss_pci intel_rapl_common ucsi_acpi intel_lpss typec_ucsi intel_soc_dts_iosf intel_pch_thermal typec int3403_thermal int340x_thermal_zone hp_wireless int3400_thermal acpi_thermal_rel acpi_pad ip_tables dm_crypt hid_logitech_hidpp i915 i2c_algo_bit drm_kms_helper crct10dif_pclmul crc32_pclmul crc32c_intel nvme drm e1000e ghash_clmulni_intel nvme_core serio_raw hid_logitech_dj wmi i2c_hid pinctrl_cannonlake video
 pinctrl_intel fuse
CPU: 5 PID: 178 Comm: kswapd0 Tainted: G           OE     5.3.16-300.fc31.x86_64 #1
Hardware name: HP HP EliteBook 840 G6/8549, BIOS R70 Ver. 01.03.00 09/12/2019
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 ac 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: 0018:ffffbb180032b8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9e4feb80ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffffacbe8883 RDI: 0000000000000046
RBP: ffffffffc041e7a0 R08: 00014c2c6ea72cc4 R09: 0000000000000063
R10: ffffffffacbe8c00 R11: 00000000acbe886b R12: ffff9e4feafd9fc0
R13: ffff9e4fed4ad700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9e4fed540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000007ceff8 CR3: 00000002c46ae002 CR4: 00000000003626e0
Call Trace:
 __flush_work+0x92/0x1c0
 __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+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]
 ? enqueue_entity+0x10e/0x650
 i915_gem_shrinker_scan+0x63/0x110 [i915]
 do_shrink_slab+0x154/0x2c0
 ? check_preempt_curr+0x4a/0x90
 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+0x1f/0x40

WARNING: CPU: 2 PID: 155 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: 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 snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_skl_ipc x86_pkg_temp_thermal snd_soc_sst_ipc intel_powerclamp snd_soc_sst_dsp coretemp snd_soc_acpi_intel_match snd_soc_acpi iwlmvm kvm_intel snd_soc_core mac80211 kvm snd_compress libarc4 snd_hda_codec_hdmi ac97_bus snd_pcm_dmaengine mei_wdt iwlwifi mei_hdcp snd_hda_codec_realtek snd_hda_codec_generic ppdev iTCO_wdt iTCO_vendor_support snd_hda_intel uvcvideo irqbypass
 crct10dif_pclmul intel_rapl_msr crc32_pclmul cfg80211 snd_hda_codec btusb videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 btrtl videobuf2_common videodev btbcm btintel snd_hda_core dell_laptop bluetooth snd_hwdep ledtrig_audio snd_seq ghash_clmulni_intel intel_cstate dell_smm_hwmon snd_seq_device intel_uncore snd_pcm mc intel_rapl_perf rtsx_pci_ms snd_timer dell_wmi snd sparse_keymap wmi_bmof dell_smbios memstick dcdbas joydev i2c_i801 ecdh_generic dell_wmi_descriptor ecc soundcore intel_xhci_usb_role_switch roles parport_pc mei_me parport dell_rbtn mei int3403_thermal processor_thermal_device intel_rapl_common acpi_pad int3400_thermal rfkill int340x_thermal_zone intel_soc_dts_iosf intel_pch_thermal acpi_thermal_rel ip_tables i915 rtsx_pci_sdmmc mmc_core i2c_algo_bit drm_kms_helper crc32c_intel e1000e drm serio_raw rtsx_pci wmi video fuse
CPU: 2 PID: 155 Comm: kswapd0 Tainted: G        W         5.3.16-300.fc31.x86_64 #1
Hardware name: Dell Inc. Latitude E7470/, BIOS 1.22.8 10/08/2019
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 90 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: 0018:ffffb4e4c01d38d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff9f5a8480ae00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff90be8883 RDI: 0000000000000046
RBP: ffffffffc04067a0 R08: 0001a8659d91ef2e R09: 0000000000000063
R10: ffffffff90be8c00 R11: 0000000090be886b R12: ffff9f5a83e73f80
R13: ffff9f5a85a2d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff9f5a85b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000e7c1549c018 CR3: 0000000149924002 CR4: 00000000003606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __flush_work+0x92/0x1c0
 ? __schedule+0x2a7/0x680
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x1d/0x30
 ? synchronize_irq+0x3a/0xa0
 ? _raw_spin_lock_irqsave+0x32/0x40
 ? 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

WARNING: CPU: 3 PID: 154 at kernel/workqueue.c:2598 check_flush_dependency+0xa0/0x130
Modules linked in: uinput 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 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 tun bridge stp llc ccm ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio ath9k ath9k_common ath9k_hw uvcvideo mac80211 videobuf2_vmalloc intel_rapl_msr videobuf2_memops videobuf2_v4l2 intel_rapl_common ath videobuf2_common cfg80211 videodev x86_pkg_temp_thermal intel_powerclamp mc coretemp acer_wmi sparse_keymap kvm_intel libarc4 snd_hda_intel snd_hda_codec i915 rfkill snd_hda_core snd_hwdep snd_seq iTCO_wdt iTCO_vendor_support mei_hdcp kvm sdhci_pci
 cqhci snd_seq_device irqbypass joydev sdhci mmc_core tg3 wmi_bmof snd_pcm serio_raw i2c_algo_bit drm_kms_helper crct10dif_pclmul snd_timer drm snd crc32_pclmul crc32c_intel soundcore lpc_ich ghash_clmulni_intel mei_me video intel_cstate mei i2c_i801 wmi intel_uncore intel_rapl_perf fuse ip_tables
CPU: 3 PID: 154 Comm: kswapd0 Not tainted 5.3.16-300.fc31.x86_64 #1
Hardware name: Acer Aspire E1-571/EA50_HC_CR, BIOS V2.15 03/11/2013
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 86 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: 0018:ffffb0f300c8f8d0 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff89a88600ce00 RCX: 0000000000000000
RDX: 0000000000000063 RSI: ffffffff86be8883 RDI: 0000000000000046
RBP: ffffffffc06f47a0 R08: 0000ae103f0215da R09: 0000000000000063
R10: ffffffff86be8c00 R11: 0000000086be886b R12: ffff89a885b60000
R13: ffff89a88722d700 R14: 0000000000000001 R15: 0000000000000013
FS:  0000000000000000(0000) GS:ffff89a8872c0000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc0515cb000 CR3: 00000001a740a001 CR4: 00000000001606e0
Call Trace:
 __flush_work+0x92/0x1c0
 __cancel_work_timer+0x107/0x190
 ? _cond_resched+0x15/0x30
 ? synchronize_irq+0x3a/0xa0
 ? gen6_write32+0x4b/0x1c0 [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+0xd3/0x510 [i915]
 ? es_reclaim_extents+0x5b/0xe0
 ? ktime_get+0x3c/0x90
 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