Found this in the kernel log. Can I ignore it? Run Archer C7 v2. Everything seems fine. OpenWrt 19.07.1 r10911-c155900f66
Uptime 151d 10h 25m 45s
[4953538.895908] ath10k_pci 0000:00:00.0: invalid MCS received 15
[4953538.901877] ath10k_pci 0000:00:00.0: rxd c3302143 mpdu start 78ba01df 10010000 msdu start 00600006 00000000 ppdu start 00000000 0c008c16 040a080b 9c0100fb 35a81741
[4953538.916888] ath10k_pci 0000:00:00.0: msdu end 0000c004 mpdu end 800cc000
[4953538.923874] ------------[ cut here ]------------
[4953538.928754] WARNING: CPU: 0 PID: 0 at backports-4.19.98-1/net/mac80211/rx.c:4535 0x876a9b48 [mac80211@87680000+0x6c160]
[4953538.939875] Rate marked as a VHT rate but data is invalid: MCS: 15, NSS: 3
[4953538.947014] Modules linked in: ath9k ath9k_common pppoe ppp_async ath9k_hw ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_FLOWOFFLOAD xt_CT wireguard slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ip6_udp_tunnel udp_tunnel sit tunnel4 ip_tunnel ehci_platform ehci_hcd gpio_button_hotplug
[4953539.020014] usbcore nls_base usb_common
[4953539.024180] CPU: 0 PID: 0 Comm: swapper Not tainted 4.14.167 #0
[4953539.030364] Stack : 00000000 800b2b84 80500000 804af5a8 00000000 00000000 00000000 00000000
[4953539.039038] 00000000 00000000 00000000 00000000 00000000 00000001 87c07c50 214d683d
[4953539.047706] 87c07ce8 00000000 00000000 00006458 00000038 80448198 00000008 00000000
[4953539.056367] 0000012a 1d0044d0 00000129 00000000 87c07c30 00000000 00000000 876e71b4
[4953539.065033] 876a9b48 000011b7 87577350 87750000 00000000 8027fde4 00000000 80630000
[4953539.073701] ...
[4953539.076356] Call Trace:
[4953539.076364] [<800b2b84>] 0x800b2b84
[4953539.082731] [<80500000>] 0x80500000
[4953539.086471] [<80448198>] 0x80448198
[4953539.090209] [<876a9b48>] 0x876a9b48 [mac80211@87680000+0x6c160]
[4953539.096392] [<8027fde4>] 0x8027fde4
[4953539.100120] [<8006a56c>] 0x8006a56c
[4953539.103834] [<8006a574>] 0x8006a574
[4953539.107564] [<80084d00>] 0x80084d00
[4953539.111282] [<876a9b48>] 0x876a9b48 [mac80211@87680000+0x6c160]
[4953539.117479] [<80084d88>] 0x80084d88
[4953539.121207] [<876a9b48>] 0x876a9b48 [mac80211@87680000+0x6c160]
[4953539.127411] [<877214a4>] 0x877214a4 [ath10k_core@87700000+0x5d310]
[4953539.133864] [<877205ec>] 0x877205ec [ath10k_core@87700000+0x5d310]
[4953539.140337] [<87721ddc>] 0x87721ddc [ath10k_core@87700000+0x5d310]
[4953539.146804] [<87721d68>] 0x87721d68 [ath10k_core@87700000+0x5d310]
[4953539.153262] [<877220d8>] 0x877220d8 [ath10k_core@87700000+0x5d310]
[4953539.159735] [<80500000>] 0x80500000
[4953539.163448] [<877449f0>] 0x877449f0 [ath10k_core@87700000+0x5d310]
[4953539.169911] [<80500000>] 0x80500000
[4953539.173630] [<875e38a4>] 0x875e38a4 [ath10k_pci@875e0000+0x8a10]
[4953539.179909] [<800b83a4>] 0x800b83a4
[4953539.183626] [<803185e0>] 0x803185e0
[4953539.187354] [<800b42d0>] 0x800b42d0
[4953539.191082] [<8044dce8>] 0x8044dce8
[4953539.194789] [<800b8d74>] 0x800b8d74
[4953539.198520] [<8022f0c0>] 0x8022f0c0
[4953539.202236] [<800657d8>] 0x800657d8
[4953539.205945]
[4953539.207640] ---[ end trace 9ca8d0b47c01bbc4 ]---