[FS#447] Unstable 2.4 GHz WiFi on WDR3600 when using WDS

[LEDE Bugs]

The following task has a new comment added:

FS#447 - Unstable 2.4 GHz WiFi on WDR3600 when using WDS
User who did this - Baptiste Jonglez (bjonglez)

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Here is a better crashlog:


[ 2581.160504] Trap instruction in kernel code[#1]:
[ 2581.165297] CPU: 0 PID: 0 Comm: swapper Not tainted 4.4.52 #0
[ 2581.171239] task: 8042ef58 ti: 80428000 task.ti: 80428000
[ 2581.176814] $ 0   : 00000000 804a0000 00000000 fffffffe
[ 2581.182253] $ 4   : 00afc0cc 009f844e 0000007f a0e7c980
[ 2581.187691] $ 8   : 009f849c 00000052 0000004a 01000000
[ 2581.193129] $12   : 80000000 8000004e 00000000 00000002
[ 2581.198559] $16   : 81b27000 80df7000 81a15000 81942f00
[ 2581.203989] $20   : 00000000 00000000 8042a4e0 80d18400
[ 2581.209428] $24   : 00000000 8007d2d4                  
[ 2581.214866] $28   : 80428000 81809a58 8042a4e0 80272104
[ 2581.220305] Hi    : 00000019
[ 2581.223280] Lo    : 00000000
[ 2581.226272] epc   : 80272128 __dev_queue_xmit+0x2d8/0x4c4
[ 2581.231852] ra    : 80272104 __dev_queue_xmit+0x2b4/0x4c4
[ 2581.237428] Status: 1100f403	KERNEL EXL IE 
[ 2581.241785] Cause : 00800034 (ExcCode 0d)
[ 2581.245924] PrId  : 0001974c (MIPS 74Kc)
[ 2581.249972] Modules linked in: ath9k ath9k_common pppoe ppp_async ath9k_hw 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_CT slhc 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 nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables gpio_button_hotplug
[ 2581.309535] Process swapper (pid: 0, threadinfo=80428000, task=8042ef58, tls=00000000)
[ 2581.317710] Stack : 80ecf420 8187992c 81809b2c 81879900 81b27068 00000001 80430000 fffffff4
[ 2581.317710] 	  80ece09c 80ed7000 0000004a 80ed7000 80d18400 80ed7000 00000000 8035b5a4
[ 2581.317710] 	  00000000 80df7000 00000000 80905e00 80f81000 80430000 80df7000 80271cd0
[ 2581.317710] 	  80428000 00440002 00000020 0000000e 00000003 80df7000 8042a4e0 00000000
[ 2581.317710] 	  80d18400 80271718 80430000 803fc6cc 8190af00 80ece090 80430000 80df7000
[ 2581.317710] 	  ...
[ 2581.354706] Call Trace:
[ 2581.357239] [] __dev_queue_xmit+0x2d8/0x4c4
[ 2581.362495] [] vlan_dev_hard_start_xmit+0x98/0x128
[ 2581.368341] [] dev_hard_start_xmit+0x2a8/0x354
[ 2581.373834] [] __dev_queue_xmit+0x3c0/0x4c4
[ 2581.379068] [] br_dev_queue_push_xmit+0x16c/0x1a0
[ 2581.384828] [] br_forward_finish+0x3c/0xb0
[ 2581.389963] [] __br_forward+0xa8/0x114
[ 2581.394741] [] br_handle_frame_finish+0x4f4/0x550
[ 2581.400500] [] br_handle_frame+0x380/0x418
[ 2581.405662] [] __netif_receive_skb_core+0x42c/0x898
[ 2581.411768] [] ieee80211_attach_ack_skb+0x103c/0x19e8 [mac80211]
[ 2581.418913] 
[ 2581.420454] 
[ 2581.420454] Code: 02002025  10000014  00008825  00431024  ae020074  1000000f  00008825  8e020000 
[ 2581.430831] ---[ end trace 8251bd1741f30e24 ]---
[ 2581.437731] Kernel panic - not syncing: Fatal exception in interrupt

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One or more files have been attached.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=447#comment2118