mac80211/ath9k warning: Rate marked as an HT rate but passed status->rate_idx is not an MCS index
Username: Baptiste Jonglez
Origin: https://bugs.openwrt.org/index.php?do=details&task_id=555
I have been using LEDE 17.01 on a WR841N v8, with a simple 2.4
GHz
AP (’mixed-psk’ security).
Recently I have seen this kernel warning in the logs: it might be nothing or it might be something important, who knows.
Feb 23 17:23:59 AP4 kernel: [62871.843902] ------------[ cut here ]------------ Feb 23 17:23:59 AP4 kernel: [62871.848752] WARNING: CPU: 0 PID: 0 at compat-wireless-2016-10-08/net/mac80211/rx.c:4180 0x80e2529c mac80211@80e00000+0x5f500 Feb 23 17:23:59 AP4 kernel: [62871.860717] Rate marked as an HT rate but passed status->rate_idx is not an MCS index [0-76]: 113 (0x71) Feb 23 17:23:59 AP4 kernel: [62871.870518] Modules linked in: ath9k ath9k_common pppoe ppp_async iptable_nat ath9k_hw ath pppox ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 mac80211 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_CT slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack ipta Feb 23 17:23:59 AP4 kernel: [62871.930136] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.50 #0 Feb 23 17:23:59 AP4 kernel: [62871.936073] Stack : 80386534 00000000 00000001 803e0000 00000000 00000000 00000000 00000000 Feb 23 17:23:59 AP4 kernel: [62871.936073] #11 (closed) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Feb 23 17:23:59 AP4 kernel: [62871.936073] #11 (closed) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Feb 23 17:23:59 AP4 kernel: [62871.936073] #11 (closed) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Feb 23 17:23:59 AP4 kernel: [62871.936073] #11 (closed) 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 Feb 23 17:23:59 AP4 kernel: [62871.936073] #11 (closed) ... Feb 23 17:23:59 AP4 kernel: [62871.973122] Call Trace:[<80071a50>] 0x80071a50 Feb 23 17:23:59 AP4 kernel: [62871.977762] [<80071a50>] 0x80071a50 Feb 23 17:23:59 AP4 kernel: [62871.981372] [<800817e8>] 0x800817e8 Feb 23 17:23:59 AP4 kernel: [62871.984987] [<80e2529c>] 0x80e2529c [mac80211@80e00000+0x5f500] Feb 23 17:23:59 AP4 kernel: [62871.991120] [<80081844>] 0x80081844 Feb 23 17:23:59 AP4 kernel: [62871.994729] [<802a385c>] 0x802a385c Feb 23 17:23:59 AP4 kernel: [62871.998352] [<80e2529c>] 0x80e2529c [mac80211@80e00000+0x5f500] Feb 23 17:23:59 AP4 kernel: [62872.004468] [<8025fea8>] 0x8025fea8 Feb 23 17:23:59 AP4 kernel: [62872.008086] [<8026008c>] 0x8026008c Feb 23 17:23:59 AP4 kernel: [62872.011694] [<80d08388>] 0x80d08388 [ath9k_common@80d08000+0x47e0] Feb 23 17:23:59 AP4 kernel: [62872.018112] [<81ba77dc>] 0x81ba77dc [ath9k@81ba0000+0x16650] Feb 23 17:23:59 AP4 kernel: [62872.023975] [<81ba77bc>] 0x81ba77bc [ath9k@81ba0000+0x16650] Feb 23 17:23:59 AP4 kernel: [62872.029854] [<81ba4a44>] 0x81ba4a44 [ath9k@81ba0000+0x16650] Feb 23 17:23:59 AP4 kernel: [62872.035704] [<800843a8>] 0x800843a8 Feb 23 17:23:59 AP4 kernel: [62872.039327] [<80083d64>] 0x80083d64 Feb 23 17:23:59 AP4 kernel: [62872.042937] [<800a7e08>] 0x800a7e08 Feb 23 17:23:59 AP4 kernel: [62872.046547] [<8006a950>] 0x8006a950 Feb 23 17:23:59 AP4 kernel: [62872.050169] [<80060bf4>] 0x80060bf4 Feb 23 17:23:59 AP4 kernel: [62872.053769] Feb 23 17:23:59 AP4 kernel: [62872.055314] ---[ end trace 90699e3e72694b86 ]--- Feb 23 17:24:02 AP4 kernel: [62875.131392] ath: phy0: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x02100020 DMADBG_7=0x00024300