[   15.060000] Data bus error, epc == 86c6178c, ra == 86c61788
[   15.060000] Oops[#1]:
[   15.060000] CPU: 0 PID: 811 Comm: kmodloader Not tainted 3.18.21 #6
[   15.060000] task: 87bfe6c0 ti: 87054000 task.ti: 87054000
[   15.060000] $ 0   : 00000000 00000000 deadc0de 86c61654
[   15.060000] $ 4   : b0008048 b0000000 02000020 00000000
[   15.060000] $ 8   : 00000000 00e5c13f 00000000 00000000
[   15.060000] $12   : 00000000 00000031 00000000 32206265
[   15.060000] $16   : ffffffff 00008048 873bd720 02000020
[   15.060000] $20   : 0000016d 00000002 00000000 00007894
[   15.060000] $24   : 00000001 00000000
[   15.060000] $28   : 87054000 870559d8 ffbfffff 86c61788
[   15.060000] Hi    : 00000000
[   15.060000] Lo    : 9e29c000
[   15.060000] epc   : 86c6178c ath_start_rfkill_poll+0x2f0/0x41c [ath9k]
[   15.060000]     Not tainted
[   15.060000] ra    : 86c61788 ath_start_rfkill_poll+0x2ec/0x41c [ath9k]
[   15.060000] Status: 1000fc03 KERNEL EXL IE
[   15.060000] Cause : 1080001c
[   15.060000] PrId  : 00019374 (MIPS 24Kc)
[   15.060000] Modules linked in: ath9k(+) ath9k_common pppoe ppp_async option iptable_nat cdc_mbim ath9k_hw ath usb_wwan sierra_net sierra rndis_host qmi_wwan pptp pppox ppp_mppe ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 mac80211 ipt_REJECT ipt_MASQUERADE huawei_cdc_ncm cfg80211 cdc_ncm cdc_ether 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_id 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_CT xt_CLASSIFY usbserial usbnet usblp slhc nf_reject_ipv4 nf_nat_masquerade_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp nf_conntrack iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat cdc_wdm cdc_acm fuse sch_teql sch_tbf sch_sfq sch_red sch_prio sch_pie sch_netem sch_htb sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp cls_basic act_police act_ipt act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_hfsc sch_ingress ledtrig_usbdev ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_raw ip6table_mangle ip6table_filter ip6_tables x_tables ip_gre gre ifb ip_tunnel vfat fat nls_iso8859_1 nls_cp437 ipv6 sha1_generic ecb arc4 crypto_blkcipher usb_storage ohci_platform ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 mii aead crypto_hash
[   15.060000] Process kmodloader (pid: 811, threadinfo=87054000, task=87bfe6c0, tls=7773f440)
[   15.060000] Stack : 87054000 87055a00 ffbfffff 878f6010 00000004 878f6010 00000004 878f6300
          00000002 86c8dc58 00000000 00049b58 00000001 86c83ee0 000002c7 00000008
          878f6010 878f6300 878f6038 00000000 00000000 00049b58 00000001 00000000
          00000003 86c86df4 00010000 00002080 00000000 00102200 09b409b4 09b40002
          00000000 00e5c13f 00000003 817ade38 00000000 20000000 00000000 00000141
          ...
[   15.060000] Call Trace:
[   15.060000] [<86c6178c>] ath_start_rfkill_poll+0x2f0/0x41c [ath9k]
[   15.060000] [<86c61788>] ath_start_rfkill_poll+0x2ec/0x41c [ath9k]
[   15.060000]
[   15.060000]
Code: 0c06ecb4  00852021  8e4509bc <00501024> 00538025  02002021  0c06ecba  00b12821  8fbf0024
[   15.360000] ---[ end trace 25a39eec706a20d9 ]---