szdaniel79:

Dear Team,

After a while I see the following crash reports in the kernel log, that is repeated more and more often. I just copied here that I found, please tell me which further information do you require for analysis.

I can supply the following information:

• Device problem occurs on: TP-Link Archer C7 v2
• Software versions: Firmware Version: OpenWrt 21.02.1 r16325-88151b8303 / LuCI openwrt-21.02 branch git-21.357.58218-b3cd473
• Steps to reproduce: normal operation

Kernel log:

[815415.061974] ------------[ cut here ]------------
[815415.066817] WARNING: CPU: 0 PID: 0 at backports-5.10.68-1/net/mac80211/rate.c:677 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.077946] Modules linked in: ath9k ath9k_common pppoe ppp_async iptable_nat ath9k_hw ath10k_pci ath10k_core ath xt_state xt_nat xt_conntrack xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD xt_CT pppox ppp_generic nf_nat nf_flow_table_hw nf_flow_table nf_conntrack mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_multiport xt_mark xt_mac xt_limit xt_comment xt_TCPMSS xt_LOG slhc nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables hwmon crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[815415.141103] CPU: 0 PID: 0 Comm: swapper Tainted: G W 5.4.154 #0
[815415.148523] Stack : 87780000 800b98ec 80660000 805fa498 00000000 00000000 00000000 00000000
[815415.157095] 00000000 00000000 00000000 00000000 00000000 00000001 87c0bc30 82c38394
[815415.165667] 87c0bcc8 00000000 00000000 0000026f 00000038 8057ac04 20202020 20205720
[815415.174237] 0000026f dd700e94 00000000 20202020 00000000 87c0bc10 00000000 8771e700
[815415.182809] 00000009 87776760 870701a0 80630000 00000002 8032041c 00000000 80790000
[815415.191380] ...
[815415.193950] Call Trace:
[815415.193964] [<87780000>] 0x87780000 [ath10k_core@e02e0346+0x6bb00]
[815415.202893] [<800b98ec>] 0x800b98ec
[815415.206520] [<80660000>] 0x80660000
[815415.210148] [<8057ac04>] 0x8057ac04
[815415.213788] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.219892] [<8032041c>] 0x8032041c
[815415.223527] [<87780000>] 0x87780000 [ath10k_core@e02e0346+0x6bb00]
[815415.229884] [<80069364>] 0x80069364
[815415.233510] [<8006936c>] 0x8006936c
[815415.237133] [<800824f4>] 0x800824f4
[815415.240767] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.246859] [<8008259c>] 0x8008259c
[815415.250490] [<877035fc>] 0x877035fc [mac80211@e147d01c+0x7cdb0]
[815415.256593] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.262700] [<8772e728>] 0x8772e728 [mac80211@e147d01c+0x7cdb0]
[815415.268798] [<803c5564>] 0x803c5564
[815415.272428] [<800c3f10>] 0x800c3f10
[815415.276058] [<803c5f34>] 0x803c5f34
[815415.279691] [<873a991c>] 0x873a991c [ath9k@7596b381+0x19450]
[815415.285530] [<873acc84>] 0x873acc84 [ath9k@7596b381+0x19450]
[815415.291378] [<873a4664>] 0x873a4664 [ath9k@7596b381+0x19450]
[815415.297218] [<87730d9c>] 0x87730d9c [mac80211@e147d01c+0x7cdb0]
[815415.303324] [<87730ef0>] 0x87730ef0 [mac80211@e147d01c+0x7cdb0]
[815415.309435] [<87738bf0>] 0x87738bf0 [mac80211@e147d01c+0x7cdb0]
[815415.315543] [<8773a838>] 0x8773a838 [mac80211@e147d01c+0x7cdb0]
[815415.321646] [<873a4eb8>] 0x873a4eb8 [ath9k@7596b381+0x19450]
[815415.327477] [<80660000>] 0x80660000
[815415.331111] [<80660000>] 0x80660000
[815415.334735] [<80085380>] 0x80085380
[815415.338361] [<800ba7e4>] 0x800ba7e4
[815415.341987] [<80580170>] 0x80580170
[815415.345612] [<800bf374>] 0x800bf374
[815415.349240] [<802bfc1c>] 0x802bfc1c
[815415.352871] [<80064f78>] 0x80064f78
[815415.356489]
[815415.358090] ---[ end trace fe5188fc02723560 ]---

[815415.401367] ------------[ cut here ]------------
[815415.406224] WARNING: CPU: 0 PID: 7 at backports-5.10.68-1/net/mac80211/rate.c:677 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.417348] Modules linked in: ath9k ath9k_common pppoe ppp_async iptable_nat ath9k_hw ath10k_pci ath10k_core ath xt_state xt_nat xt_conntrack xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD xt_CT pppox ppp_generic nf_nat nf_flow_table_hw nf_flow_table nf_conntrack mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_multiport xt_mark xt_mac xt_limit xt_comment xt_TCPMSS xt_LOG slhc nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle iptable_filter ip_tables hwmon crc_ccitt compat ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[815415.480504] CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G W 5.4.154 #0
[815415.488271] Stack : 87780000 800b98ec 80660000 805fa498 00000000 00000000 00000000 00000000
[815415.496839] 00000000 00000000 00000000 00000000 00000000 00000001 87c47b2 41b066b9
[815415.505409] 87c47bb8 00000000 00000000 0000029 00000038 8057ac04 00000010 20202020
[815415.513981] 0000029 dfd54e12 00000000 20202020 00000000 87c47b00 00000000 8771e700
[815415.522552] 00000009 87776760 870701a0 80630000 00000010 8032041c 00000000 80790000
[815415.531123] ...
[815415.533693] Call Trace:
[815415.533707] [<87780000>] 0x87780000 [ath10k_core@e02e0346+0x6bb00]
[815415.542630] [<800b98ec>] 0x800b98ec
[815415.546264] [<80660000>] 0x80660000
[815415.549900] [<8057ac04>] 0x8057ac04
[815415.553540] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.559655] [<8032041c>] 0x8032041c
[815415.563289] [<87780000>] 0x87780000 [ath10k_core@e02e0346+0x6bb00]
[815415.569645] [<80069364>] 0x80069364
[815415.573280] [<8006936c>] 0x8006936c
[815415.576912] [<800824f4>] 0x800824f4
[815415.580545] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.586638] [<8008259c>] 0x8008259c
[815415.590277] [<877035fc>] 0x877035fc [mac80211@e147d01c+0x7cdb0]
[815415.596380] [<8771e700>] 0x8771e700 [mac80211@e147d01c+0x7cdb0]
[815415.602479] [<80660000>] 0x80660000
[815415.606118] [<800c3f10>] 0x800c3f10
[815415.609754] [<873a991c>] 0x873a991c [ath9k@7596b381+0x19450]
[815415.615602] [<873acc84>] 0x873acc84 [ath9k@7596b381+0x19450]
[815415.621435] [<804943c8>] 0x804943c8
[815415.625079] [<873a4664>] 0x873a4664 [ath9k@7596b381+0x19450]
[815415.630915] [<877a9ffc>] 0x877a9ffc [ath10k_core@e02e0346+0x6bb00]
[815415.637286] [<87730d9c>] 0x87730d9c [mac80211@e147d01c+0x7cdb0]
[815415.643393] [<87730ef0>] 0x87730ef0 [mac80211@e147d01c+0x7cdb0]
[815415.649502] [<87738bf0>] 0x87738bf0 [mac80211@e147d01c+0x7cdb0]
[815415.655610] [<8773a838>] 0x8773a838 [mac80211@e147d01c+0x7cdb0]
[815415.661713] [<803e1450>] 0x803e1450
[815415.665345] [<800aaa14>] 0x800aaa14
[815415.668990] [<80660000>] 0x80660000
[815415.672624] [<80660000>] 0x80660000
[815415.676248] [<80085380>] 0x80085380
[815415.679884] [<80580170>] 0x80580170
[815415.683523] [<800a2d20>] 0x800a2d20
[815415.687151] [<800854e4>] 0x800854e4
[815415.690785] [<8057c050>] 0x8057c050
[815415.694419] [<800a2e64>] 0x800a2e64
[815415.698054] [<8009e7ec>] 0x8009e7ec
[815415.701688] [<8057c2c0>] 0x8057c2c0
[815415.705324] [<8009eb88>] 0x8009eb88
[815415.708956] [<8009ea50>] 0x8009ea50
[815415.712584] [<8009ea50>] 0x8009ea50
[815415.716210] [<80064bf8>] 0x80064bf8
[815415.719847]
[815415.721452] ---[ end trace fe5188fc02723561 ]---