[FS#143] Kernel Panic on latest trunk build ar71xx

[LEDE Bugs]

The following task has a new comment added:

FS#143 - Kernel Panic on latest trunk build ar71xx
User who did this - gthreepw00d (gthreepw00d)

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Still there on LEDE GCC 5.4.0 r3155-034bed3. Triggered with ip link set dev enp3s0  down && ip link set dev enp3s0 up;

[  435.415144] Kernel bug detected[#1]:
[  435.418848] CPU: 0 PID: 102 Comm: kworker/0:1 Not tainted 4.4.45 #0
[  435.425342] Workqueue: events link_function
[  435.429675] task: 8188ed48 ti: 8193a000 task.ti: 8193a000
[  435.435251] $ 0   : 00000000 00000001 00000001 00000000
[  435.440681] $ 4   : 81bdbb70 00000000 00000000 00000001
[  435.446119] $ 8   : 00000000 00000000 00000000 00000000
[  435.451558] $12   : 00000000 ffffffff 00000000 00426c84
[  435.456988] $16   : 81bdbb70 80f8f250 00000000 80f8f268
[  435.462418] $20   : 02080020 000086dd 8086005c 8042a4e0
[  435.467856] $24   : 00000000 81bd0ad8                  
[  435.473286] $28   : 8193a000 81809cb0 02080020 81bd0b44
[  435.478717] Hi    : 00000000
[  435.481692] Lo    : 5368a000
[  435.484734] epc   : 81bd0284 nf_ct_untracked_status_or+0x6c/0x98 [nf_conntrack]
[  435.492297] ra    : 81bd0b44 nf_conntrack_free+0xe0/0x14c [nf_conntrack]
[  435.499218] Status: 1100fc03	KERNEL EXL IE 
[  435.503573] Cause : 00800034 (ExcCode 0d)
[  435.507714] PrId  : 0001974c (MIPS 74Kc)
[  435.511761] 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_recent xt_quota xt_pkttype xt_physdev xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_helper xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_addrtype xt_TCPMSS xt_REDIRECT xt_LOG xt_CT usblp slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat_ftp nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack_ftp nf_conntrack iptable_mangle iptable_filter ip_tables crc_ccitt compat br_netfilter ledtrig_usbport ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables sit tunnel4 ip_tunnel usb_storage ohci_platform ohci_hcd sd_mod scsi_mod ehci_platform ehci_hcd gpio_button_hotplug usbcore nls_base usb_common
[  435.598179] Process kworker/0:1 (pid: 102, threadinfo=8193a000, task=8188ed48, tls=00000000)
[  435.606889] Stack : 00000000 00000006 00000000 8085ee40 8085ee40 8025e370 00000000 00000000
[  435.606889] 	  ff020000 00000000 8085ee40 80261278 00000000 00000000 00000000 00000000
[  435.606889] 	  8085ee40 8030bb40 02080020 6395558b 8085ee40 80860000 80440000 8030b134
[  435.606889] 	  80440000 8085ee40 80860000 80440000 8085ee40 8030b844 80000000 0a7b9a78
[  435.606889] 	  80860000 00000000 00000000 00000000 80000000 0ace9c60 80860000 00000000
[  435.606889] 	  ...
[  435.643884] Call Trace:
[  435.646430] [] nf_ct_untracked_status_or+0x6c/0x98 [nf_conntrack]
[  435.653643] [] nf_conntrack_free+0xe0/0x14c [nf_conntrack]
[  435.660209] 
[  435.661750] 
[  435.661750] Code: 00000000  8c83000c  2c620001  8c820008  30450001  ac620000  14a00002  00000000 
[  435.672127] ---[ end trace d90fec2a542f6eae ]---
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=143#comment1491