The below is caused by this card:
zx2c4@thinkpad ~ $ lspci | tail -n 2 | head -n 1
52:00.0 Network controller: Intel Corporation Wi-Fi 6 AX200 (rev 1a)
zx2c4@thinkpad ~ $ lspci -n | tail -n 2 | head -n 1
52:00.0 0280: 8086:2723 (rev 1a)
[ 22.547494] ------------[ cut here ]------------
[ 22.547496] STA f2:9f:c2:67:25:0e AC 2 txq pending airtime
underflow: 4294967236, 104
[ 22.547522] WARNING: CPU: 10 PID: 669 at
net/mac80211/sta_info.c:1931
ieee80211_sta_update_pending_airtime+0x110/
0x120 [mac80211]
[ 22.547522] Modules linked in: nvidia_drm(PO) nvidia_modeset(PO)
uvcvideo videobuf2_vmalloc videobuf2_memops vide
obuf2_v4l2 videodev videobuf2_common usbhid joydev mousedev af_packet
8021q iptable_filter bpfilter xt_hl xt_multipo
rt xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
ip6table_filter ip6_tables mei_hdcp intel_rapl_msr wmi_bm
of x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm kvm
mac80211 libarc4 snd_hda_codec_conexant snd_h
da_codec_generic irqbypass iwlwifi crc32_pclmul nvidia(PO)
crc32c_intel snd_hda_intel cfg80211 psmouse snd_intel_dsp
cfg input_leds sdhci_pci snd_hda_codec cqhci snd_hwdep sdhci
snd_hda_core thunderbolt snd_pcm mmc_core xhci_pci snd_
timer xhci_hcd mei_me processor_thermal_device usbcore
intel_rapl_common mei usb_common intel_soc_dts_iosf intel_pch
_thermal wmi thinkpad_acpi ledtrig_audio snd soundcore led_class
rfkill int3403_thermal int340x_thermal_zone pinctrl
_cannonlake pinctrl_intel int3400_thermal evdev acpi_thermal_rel sch_fq_codel
[ 22.547540] CPU: 10 PID: 669 Comm: irq/187-iwlwifi Tainted: P U
O 5.5.0-rc1+ #2
[ 22.547540] Hardware name: LENOVO 20QTCTO1WW/20QTCTO1WW, BIOS
N2OET40W (1.27 ) 10/17/2019
[ 22.547547] RIP:
0010:ieee80211_sta_update_pending_airtime+0x110/0x120 [mac80211]
[ 22.547548] Code: 8b 44 24 04 eb a0 44 0f b7 c1 48 83 c6 40 89 c1
0f b6 d2 48 c7 c7 80 8b a6 a1 89 44 24 04 c6 05
16 1e 0b 00 01 e8 dd 2f 6c df <0f> 0b 8b 44 24 04 eb 89 0f 1f 84 00 00
00 00 00 55 89 f5 53 48 89
[ 22.547549] RSP: 0000:ffff888ff2dcfbd8 EFLAGS: 00010296
[ 22.547549] RAX: 0000000000000049 RBX: 00000000ffffff98 RCX: 0000000000000000
[ 22.547550] RDX: 0000000000000049 RSI: ffffffff82e643a9 RDI: ffffffff82e647a9
[ 22.547550] RBP: ffff888fbcce87c0 R08: 000000053fef7e95 R09: 0000000000000049
[ 22.547550] R10: 0000000000000000 R11: ffffffff82e643a9 R12: 0000000000000068
[ 22.547551] R13: 0000000000000002 R14: ffff888fb67f45c8 R15: ffff888ff2dcfc88
[ 22.547551] FS: 0000000000000000(0000) GS:ffff888ffc480000(0000)
knlGS:0000000000000000
[ 22.547552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.547552] CR2: 00005591ac7b47c0 CR3: 0000000fd2eed006 CR4: 00000000003606e0
[ 22.547553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.547553] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.547553] Call Trace:
[ 22.547562] __ieee80211_tx_status+0x717/0x900 [mac80211]
[ 22.547569] ieee80211_tx_status+0x55/0x60 [mac80211]
[ 22.547575] iwl_mvm_tx_reclaim+0x276/0x3a0 [iwlmvm]
[ 22.547580] iwl_mvm_rx_ba_notif+0x25e/0x2d0 [iwlmvm]
[ 22.547585] iwl_mvm_rx_common+0xc3/0x260 [iwlmvm]
[ 22.547591] iwl_pcie_rx_handle+0x3b3/0xa20 [iwlwifi]
[ 22.547593] ? irq_forced_thread_fn+0x70/0x70
[ 22.547597] iwl_pcie_irq_rx_msix_handler+0x4f/0x100 [iwlwifi]
[ 22.547598] irq_thread_fn+0x17/0x60
[ 22.547600] ? schedule+0x45/0xb0
[ 22.547600] irq_thread+0xc1/0x130
[ 22.547601] ? wake_threads_waitq+0x30/0x30
[ 22.547602] kthread+0xf3/0x130
[ 22.547604] ? irq_thread_dtor+0x80/0x80
[ 22.547604] ? kthread_park+0x80/0x80
[ 22.547605] ret_from_fork+0x1f/0x30
[ 22.547606] ---[ end trace a3d28d2de23c3176 ]---
[ 22.547607] ------------[ cut here ]------------
[ 22.547607] Device phy0 AC 2 pending airtime underflow: 4294967236, 104
[ 22.547622] WARNING: CPU: 10 PID: 669 at
net/mac80211/sta_info.c:1940
ieee80211_sta_update_pending_airtime+0xe4/0
x120 [mac80211]
[ 22.547622] Modules linked in: nvidia_drm(PO) nvidia_modeset(PO)
uvcvideo videobuf2_vmalloc videobuf2_memops vide
obuf2_v4l2 videodev videobuf2_common usbhid joydev mousedev af_packet
8021q iptable_filter bpfilter xt_hl xt_multipo
rt xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
ip6table_filter ip6_tables mei_hdcp intel_rapl_msr wmi_bm
of x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel iwlmvm kvm
mac80211 libarc4 snd_hda_codec_conexant snd_h
da_codec_generic irqbypass iwlwifi crc32_pclmul nvidia(PO)
crc32c_intel snd_hda_intel cfg80211 psmouse snd_intel_dsp
cfg input_leds sdhci_pci snd_hda_codec cqhci snd_hwdep sdhci
snd_hda_core thunderbolt snd_pcm mmc_core xhci_pci snd_
timer xhci_hcd mei_me processor_thermal_device usbcore
intel_rapl_common mei usb_common intel_soc_dts_iosf intel_pch
_thermal wmi thinkpad_acpi ledtrig_audio snd soundcore led_class
rfkill int3403_thermal int340x_thermal_zone pinctrl
_cannonlake pinctrl_intel int3400_thermal evdev acpi_thermal_rel sch_fq_codel
[ 22.547631] CPU: 10 PID: 669 Comm: irq/187-iwlwifi Tainted: P U
W O 5.5.0-rc1+ #2
[ 22.547631] Hardware name: LENOVO 20QTCTO1WW/20QTCTO1WW, BIOS
N2OET40W (1.27 ) 10/17/2019
[ 22.547638] RIP:
0010:ieee80211_sta_update_pending_airtime+0xe4/0x120 [mac80211]
[ 22.547638] Code: 00 00 45 0f b6 ed 48 85 f6 75 07 48 8b b2 40 01
00 00 45 89 e0 89 c1 44 89 ea 48 c7 c7 b8 8b a6
a1 89 44 24 04 e8 09 30 6c df <0f> 0b 8b 44 24 04 eb a0 44 0f b7 c1 48
83 c6 40 89 c1 0f b6 d2 48
[ 22.547639] RSP: 0000:ffff888ff2dcfbd8 EFLAGS: 00010296
[ 22.547639] RAX: 000000000000003b RBX: 00000000ffffff98 RCX: 0000000000000000
[ 22.547640] RDX: 000000000000003b RSI: ffffffff82e6439b RDI: ffffffff82e6479b
[ 22.547640] RBP: ffff888fbcce87c0 R08: 000000053ff1312e R09: 000000000000003b
[ 22.547640] R10: 0000000000000000 R11: ffffffff82e6439b R12: 0000000000000068
[ 22.547641] R13: 0000000000000002 R14: ffff888fb67f45c8 R15: ffff888ff2dcfc88
[ 22.547641] FS: 0000000000000000(0000) GS:ffff888ffc480000(0000)
knlGS:0000000000000000
[ 22.547642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.547642] CR2: 00005591ac7b47c0 CR3: 0000000fd2eed006 CR4: 00000000003606e0
[ 22.547642] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 22.547643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 22.547643] Call Trace:
[ 22.547650] __ieee80211_tx_status+0x717/0x900 [mac80211]
[ 22.547656] ieee80211_tx_status+0x55/0x60 [mac80211]
[ 22.547660] iwl_mvm_tx_reclaim+0x276/0x3a0 [iwlmvm]
[ 22.547664] iwl_mvm_rx_ba_notif+0x25e/0x2d0 [iwlmvm]
[ 22.547668] iwl_mvm_rx_common+0xc3/0x260 [iwlmvm]
[ 22.547671] iwl_pcie_rx_handle+0x3b3/0xa20 [iwlwifi]
[ 22.547673] ? irq_forced_thread_fn+0x70/0x70
[ 22.547676] iwl_pcie_irq_rx_msix_handler+0x4f/0x100 [iwlwifi]
[ 22.547677] irq_thread_fn+0x17/0x60
[ 22.547678] ? schedule+0x45/0xb0
[ 22.547679] irq_thread+0xc1/0x130
[ 22.547679] ? wake_threads_waitq+0x30/0x30
[ 22.547680] kthread+0xf3/0x130
[ 22.547681] ? irq_thread_dtor+0x80/0x80
[ 22.547682] ? kthread_park+0x80/0x80
[ 22.547683] ret_from_fork+0x1f/0x30
[ 22.547683] ---[ end trace a3d28d2de23c3177 ]---
