gistfile1.txt

hard crash after channel change : 
[   93.594907] CPU 0 Unable to handle kernel paging request at virtual address ffffd11c, epc == 830f7004, ra == 830f7000
[   93.605677] Oops[#1]:
[   93.608229] CPU: 0 PID: 1580 Comm: uci Not tainted 4.14.101 #0
[   93.615011] task: 838f9b80 task.stack: 82dce000
[   93.620268] $ 0   : 00000000 00000001 00000000 00000020
[   93.626346] $ 4   : 00000001 08100000 80680000 80653f70
[   93.632421] $ 8   : 83957614 8006fc68 80137bf4 0000001c
[   93.638497] $12   : 7fcbbec8 77faa2c0 00400d71 00000002
[   93.644575] $16   : 830f7000 00000000 83957600 00400d71
[   93.650650] $20   : 77f1ab18 77fa3580 00000000 77f9e000
[   93.656727] $24   : 77f63dbc 77f1261c
[   93.662802] $28   : 82dce000 82dcfef0 00000000 830f7000
[   93.668881] Hi    : 00000000
[   93.672222] Lo    : 00000818
[   93.675585] epc   : 830f7004 0x830f7004
[   93.680030] ra    : 830f7000 0x830f7000
[   93.684476] Status: 1000fc03 KERNEL EXL IE
[   93.689341] Cause : 00800008 (ExcCode 02)
[   93.693996] BadVA : ffffd11c
[   93.697340] PrId  : 00019374 (MIPS 24Kc)
[   93.701896] Modules linked in: i2c_gpio_custom 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_FLOWOFFLOAD spidev slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack libcrc32c iptable_mangle iptable_filter ip_tables crc_ccitt compat cdc_acm i2c_gpio i2c_algo_bit i2c_dev i2c_core ledtrig_heartbeat ledtrig_gpio ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables tun loop ehci_platform
[   93.784230]  ci_hdrc_usb2 ci_hdrc ehci_hcd gpio_button_hotplug phy_generic usbcore nls_base usb_common crc16 crc32c_generic crypto_hash
[   93.798417] Process uci (pid: 1580, threadinfo=82dce000, task=838f9b80, tls=77fabdf4)
[   93.807522] Stack : 00000002 00000000 830f7000 80187094 77efd300 00000000 00000000 80137c0c
[   93.817244]         77f05030 77efd300 7fcbc4b4 00400d71 77f1ab18 8006facc 00000012 00000000
[   93.826967]         7fb0c680 00000000 77faa2c0 00400d71 77f1ab18 77f63dbc 00000000 00000001
[   93.836687]         00000fa6 00000000 00000004 00000008 00000000 00000000 00000000 7fcbbed0
[   93.846410]         5c754013 08583b00 5c754013 5c754003 7fcbc050 08583b00 00000000 00000000
[   93.856133]         ...
[   93.858986] Call Trace:
[   93.858990]
[   93.863577] [<80187094>] SyS_flock+0x174/0x1c0
[   93.868730] [<80137c0c>] SyS_close+0x18/0x50
[   93.873674] [<8006facc>] syscall_common+0x34/0x58
[   93.879138]
[   93.880845] Code: 00000000  00000000  00000000 <8013d3c8> 8380fc50  8356f3b8  82e5f028  8041bdc0  00000000
[   93.892188]
[   93.893986] ---[ end trace ad48a4714fd044c5 ]---
[   93.902161] Kernel panic - not syncing: Fatal exception
[   93.907884] Rebooting in 3 seconds..





Recovered after fault :

root@OpenWrt:/# [  355.190229] ------------[ cut here ]------------
[  355.193463] WARNING: CPU: 0 PID: 2084 at kernel/softirq.c:315 __do_softirq+0x260/0x2bc
[  355.201300] Modules linked in: i2c_gpio_custom 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_FLOWOFFLOAD spidev slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack libcrc32c iptable_mangle iptable_filter ip_tables crc_ccitt compat cdc_acm i2c_gpio i2c_algo_bit i2c_dev i2c_core ledtrig_heartbeat ledtrig_gpio ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables tun loop ehci_platform
[  355.271871]  ci_hdrc_usb2 ci_hdrc ehci_hcd gpio_button_hotplug phy_generic usbcore nls_base usb_common crc16 crc32c_generic crypto_hash
[  355.284036] CPU: 0 PID: 2084 Comm: sh Not tainted 4.14.101 #0
[  355.289757] Stack : 80520000 804d6648 00000000 00000000 804ac9c0 83809ebc 838f935c 80501947
[  355.298084]         804a8b90 00000824 80653670 0000013b 80653ae0 00000001 83809e70 0b8f30d2
[  355.306418]         00000000 00000000 80650000 00003728 00000000 00000000 00000007 00000000
[  355.314752]         000000bb c0e00000 000000ba 00000000 80000000 00000000 804aa98c 804127a8
[  355.323085]         00000009 0000013b 80653ae0 80506ae8 00000000 00000000 00000000 80650000
[  355.331418]         ...
[  355.333851] Call Trace:
[  355.336319] [<8006a92c>] show_stack+0x58/0x100
[  355.340752] [<80084fc0>] __warn+0xe4/0x118
[  355.344801] [<80085084>] warn_slowpath_null+0x1c/0x28
[  355.349836] [<804127a8>] __do_softirq+0x260/0x2bc
[  355.354528] [<80219090>] plat_irq_dispatch+0xc0/0x120
[  355.359556] [<800658d8>] handle_int+0x138/0x144
[  355.364097] [<8040d14c>] __copy_user+0x168/0x2bc
[  355.368699] [<802033fc>] copy_page_to_iter+0x18c/0x37c
[  355.373828] [<800f2fa0>] generic_file_read_iter+0x5e4/0xab0
[  355.379348] [<8013bf24>] __vfs_read+0x120/0x158
[  355.383858] [<8013c02c>] vfs_read+0xd0/0x17c
[  355.388113] [<8013c5ac>] SyS_read+0x58/0xc4
[  355.392288] [<8006facc>] syscall_common+0x34/0x58
[  355.396969] ---[ end trace a823479c6a27e5ef ]---
[  355.401641] BUG: scheduling while atomic: sh/2084/0x804b0000
[  355.407201] Modules linked in: i2c_gpio_custom 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_FLOWOFFLOAD spidev slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack libcrc32c iptable_mangle iptable_filter ip_tables crc_ccitt compat cdc_acm i2c_gpio i2c_algo_bit i2c_dev i2c_core ledtrig_heartbeat ledtrig_gpio ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables tun loop ehci_platform
[  355.477775]  ci_hdrc_usb2 ci_hdrc ehci_hcd gpio_button_hotplug phy_generic usbcore nls_base usb_common crc16 crc32c_generic crypto_hash
[  355.489939] CPU: 0 PID: 2084 Comm: sh Tainted: G        W       4.14.101 #0
[  355.496872] Stack : 80520000 804d6648 00000000 00000000 804ac9c0 83341e5c 838f935c 80501947
[  355.505204]         804a8b90 00000824 80653670 77f9f580 00000000 00000001 83341e10 0b8f30d2
[  355.513536]         00000000 00000000 80650000 000040b0 00000000 00000000 00000007 00000000
[  355.521870]         000000d4 b1000000 000000d3 00000000 80000000 00000000 80506628 80500000
[  355.530203]         000001ff 77f9f580 00000000 77f9a000 00000002 00000000 00000000 80650000
[  355.538537]         ...
[  355.540968] Call Trace:
[  355.543432] [<8006a92c>] show_stack+0x58/0x100
[  355.547846] [<800a3d9c>] __schedule_bug+0x60/0x7c
[  355.552530] [<8040ebac>] __schedule+0x4c/0x6c4
[  355.556950] [<8040f290>] schedule+0x6c/0x84
[  355.561118] [<8006565c>] work_resched+0x8/0x2c
[  356.373192] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  356.479571] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready