[FS#1143] mac80211 kernel dump

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - avware (avware) 

Attached to Project - LEDE Project
Summary - mac80211 kernel dump
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - - Hardware:
 BT Homehub 5 Type A

- Software:
 LEDE Reboot (SNAPSHOT, r5217-098afa1)

- Packages:

# opkg list-installed | xargs
6rd - 9-3 ath10k-firmware-qca988x - 2017-03-29-956e2609-1 base-files - 176-r5217-098afa1 block-mount - 2017-07-31-8ab4fda6-1 br2684ctl - 2.5.2-5 bspatch - 4.3-1 busybox - 1.27.2-1 dnsmasq - 2.78-2 dropbear - 2017.75-4 dsl-vrx200-firmware-xdsl-a - 05.08.01.08.01.06_05.08.00.0B.01.01_osc-1 dsl-vrx200-firmware-xdsl-b-patch - 05.08.01.08.01.06_05.08.00.0B.01.01_osc-1 firewall - 2017-05-27-a4d98aea-1 fstools - 2017-07-31-8ab4fda6-1 fwtool - 1 hostapd-common - 2017-08-24-c2d4f2eb-4 ip6tables - 1.6.1-1 iptables - 1.6.1-1 iw - 4.9-1 jshn - 2017-09-29-632688e8-1 jsonfilter - 2016-07-02-dea067ad-1 kernel - 4.9.58-1-f4186ff9dee2227808b576b5989e829c kmod-ath - 4.9.58+2017-10-06-1 kmod-ath10k - 4.9.58+2017-10-06-1 kmod-ath9k - 4.9.58+2017-10-06-1 kmod-ath9k-common - 4.9.58+2017-10-06-1 kmod-atm - 4.9.58-1 kmod-cfg80211 - 4.9.58+2017-10-06-1 kmod-crypto-aead - 4.9.58-1 kmod-crypto-cmac - 4.9.58-1 kmod-crypto-crc32c - 4.9.58-1 kmod-crypto-hash - 4.9.58-1 kmod-crypto-manager - 4.9.58-1 kmod-crypto-null - 4.9.58-1 kmod-crypto-pcompress - 4.9.58-1 kmod-fs-ext4 - 4.9.58-1 kmod-fs-ntfs - 4.9.58-1 kmod-fs-vfat - 4.9.58-1 kmod-fuse - 4.9.58-1 kmod-gpio-button-hotplug - 4.9.58-2 kmod-ifb - 4.9.58-1 kmod-ip6tables - 4.9.58-1 kmod-ipt-conntrack - 4.9.58-1 kmod-ipt-conntrack-extra - 4.9.58-1 kmod-ipt-core - 4.9.58-1 kmod-ipt-ipopt - 4.9.58-1 kmod-ipt-ipset - 4.9.58-1 kmod-ipt-nat - 4.9.58-1 kmod-iptunnel - 4.9.58-1 kmod-iptunnel4 - 4.9.58-1 kmod-leds-gpio - 4.9.58-1 kmod-lib-crc-ccitt - 4.9.58-1 kmod-lib-crc16 - 4.9.58-1 kmod-ltq-atm-vr9 - 4.9.58-2 kmod-ltq-deu-vr9 - 4.9.58-1 kmod-ltq-ifxos - 4.9.58+1.5.19-2 kmod-ltq-ptm-vr9 - 4.9.58-1 kmod-ltq-vdsl-vr9 - 4.9.58+4.17.18.6-2 kmod-ltq-vdsl-vr9-mei - 4.9.58+1.5.17.6-3 kmod-mac80211 - 4.9.58+2017-10-06-1 kmod-nf-conntrack - 4.9.58-1 kmod-nf-conntrack6 - 4.9.58-1 kmod-nf-ipt - 4.9.58-1 kmod-nf-ipt6 - 4.9.58-1 kmod-nf-nat - 4.9.58-1 kmod-nfnetlink - 4.9.58-1 kmod-nls-base - 4.9.58-1 kmod-nls-cp437 - 4.9.58-1 kmod-nls-iso8859-1 - 4.9.58-1 kmod-nls-utf8 - 4.9.58-1 kmod-owl-loader - 4.9.58-1 kmod-ppp - 4.9.58-1 kmod-pppoa - 4.9.58-1 kmod-pppoe - 4.9.58-1 kmod-pppox - 4.9.58-1 kmod-sched-cake - 4.9.58+2017-01-28-9789742c-1 kmod-sched-connmark - 4.9.58-1 kmod-sched-core - 4.9.58-1 kmod-scsi-core - 4.9.58-1 kmod-sit - 4.9.58-1 kmod-slhc - 4.9.58-1 kmod-tun - 4.9.58-1 kmod-usb-core - 4.9.58-1 kmod-usb-dwc2 - 4.9.58-1 kmod-usb-ledtrig-usbport - 4.9.58-1 kmod-usb-storage - 4.9.58-1 kmod-usb-storage-extras - 4.9.58-1 lede-keyring - 2017-01-20-a50b7529-1 libblobmsg-json - 2017-09-29-632688e8-1 libbz2 - 1.0.6-3 libc - 1.1.16-1 libgcc - 5.5.0-1 libip4tc - 1.6.1-1 libip6tc - 1.6.1-1 libjson-c - 0.12.1-1 libjson-script - 2017-09-29-632688e8-1 libnl-tiny - 0.1-5 libpthread - 1.1.16-1 librt - 1.1.16-1 libubox - 2017-09-29-632688e8-1 libubus - 2017-02-18-34c6e818-1 libuci - 2017-09-29-5ad59ad4-1 libuclient - 2017-09-06-24d6eded-1 libxtables - 1.6.1-1 linux-atm - 2.5.2-5 logd - 2017-09-01-b1bc8d5f-1 ltq-vdsl-app - 4.17.18.6-1 mtd - 21 netifd - 2017-10-19-0f96606b-1 odhcp6c - 2017-09-05-51733a6d-4 odhcpd - 2017-09-16-f0bce9cd-1 opkg - 2017-07-28-4bd8601e-1 ppp - 2.4.7-12 ppp-mod-pppoa - 2.4.7-12 ppp-mod-pppoe - 2.4.7-12 procd - 2017-09-28-ee582d16-1 swconfig - 11 ubi-utils - 1.5.2-1 ubox - 2017-09-01-b1bc8d5f-1 ubus - 2017-02-18-34c6e818-1 ubusd - 2017-02-18-34c6e818-1 uci - 2017-09-29-5ad59ad4-1 uclient-fetch - 2017-09-06-24d6eded-1 usign - 2015-07-04-ef641914-1 wpad-mini - 2017-08-24-c2d4f2eb-4


- What happend:
 Simply after two days of use the module dumps, the wireless seems to be functional.

   
[41236.705664] WARNING: CPU: 0 PID: 0 at backports-2017-10-06/net/mac80211/rx.c:629 ieee80211_rx_napi+0x254/0x95c [mac80211]
[41236.716503] Modules linked in: ath9k ath9k_common ath9k_hw ath10k_pci ath10k_core ath pppoe nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_DSCP xt_CLASSIFY ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda pppox ppp_async owl_loader nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache ltq_deu_vr9 iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat fuse sch_cake
[41236.787367]  act_connmark nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_tbf sch_htb sch_hfsc sch_ingress drv_dsl_cpe_api ledtrig_usbport drv_mei_cpe xt_set ip_set_list_set ip_set_hash_netiface ip_set_hash_netport ip_set_hash_netnet ip_set_hash_net ip_set_hash_netportnet ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables pppoatm ppp_generic slhc ifb sit tunnel4 ip_tunnel tun vfat fat ntfs br2684 atm nls_utf8 nls_iso8859_1 nls_cp437 drv_ifxos cmac usb_storage dwc2 sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache crc32c_generic
[41236.857968] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.58 #0
[41236.863880] Stack : 00000000 00000000 806b804a 00000033 8042ca84 00000000 00000000 806b0000
[41236.872229]         8055dfac 8055dba7 804efd64 00000000 00000000 806b3d84 00000004 87285b58
[41236.880584]         00000000 80071fd8 00000001 806b0000 80563d04 80563d08 804f494c 87c0dd04
[41236.888940]         00000003 800af288 00000004 87285b58 00000000 80560000 00000001 87c0dd00
[41236.897296]         00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[41236.905652]         ...
[41236.908090] Call Trace:
[41236.910548] [] show_stack+0x54/0x88
[41236.914912] [] dump_stack+0xd4/0x110
[41236.919352] [] __warn+0xe4/0x118
[41236.923431] [] warn_slowpath_null+0x1c/0x34
[41236.928587] [] ieee80211_rx_napi+0x254/0x95c [mac80211]
[41236.934653] [] ath_rx_tasklet+0xca0/0xcec [ath9k]
[41236.940160] [] ath9k_tasklet+0x188/0x224 [ath9k]
[41236.945651] [] tasklet_action+0x140/0x234
[41236.950502] [] __do_softirq+0x294/0x2e0
[41236.955201] [] irq_exit+0x7c/0x98
[41236.959377] [] ltq_hw_irqdispatch+0xa8/0xe4
[41236.964433] [] except_vec_vi_end+0xb8/0xc4
[41236.969389] [] r4k_wait_irqoff+0x18/0x20
[41236.974179] [] cpu_startup_entry+0xf4/0x150
[41236.979230] [] start_kernel+0x478/0x498


More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=1143