kenrel version:
3.18.21
git commit:
739622fd8bc89f154b2fc20c19a5fce28dc346ef
[ 147.890000] CPU 1 Unable to handle kernel paging request at virtual
address 44000044, epc == 44000045, ra == 8ec089e4
[ 147.900000] Oops[#1]:
[ 147.910000] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.18.21 #4
[ 147.910000] task: 8f842fd0 ti: 8f860000 task.ti: 8f860000
[ 147.920000] $ 0 : 00000000 00000000 44000045 00000000
[ 147.920000] $ 4 : 8f1c6f00 8e8e4a14 0000000e 0000005c
[ 147.930000] $ 8 : 0000004e 8000a190 c0a80a46 00000000
[ 147.930000] $12 : 00000000 00000000 00000000 4cc8be1e
[ 147.940000] $16 : 8f1c6f00 8e9ff000 0000000e 8e9ff3c4
[ 147.940000] $20 : 0000004e 8e5a3754 00000000 00000001
[ 147.950000] $24 : 00000000 80010828
[ 147.950000] $28 : 8f860000 8f861998 00000000 8ec089e4
[ 147.960000] Hi : 00000005
[ 147.960000] Lo : 00000000
[ 147.970000] epc : 44000045 0x44000045
[ 147.970000] Not tainted
[ 147.970000] ra : 8ec089e4 bpf_filter_skb+0x70/0x2804 [pf_ring]
[ 147.980000] Status: 1100d803 KERNEL EXL IE
[ 147.980000] Cause : 10800008
[ 147.980000] BadVA : 44000044
[ 147.990000] PrId : 0001992f (MIPS 1004Kc)
[ 147.990000] Modules linked in: pppoe ppp_async iptable_nat pppox
ppp_generic nf_nat_ipv4 nf_conntrack_ipv6 nf_conntrack_ipv4 ipt_REJECT
ipt_MAn
[ 148.060000] Process swapper/1 (pid: 0, threadinfo=8f860000,
task=8f842fd0, tls=00000000)
[ 148.070000] Stack : f1bfe561 814954e0 0000001b 8007428c 7fffffff
ffffffff 8e016f54 81495400
00000000 c0504adc c0501000 8e9ff000 8f861bd0 8f1c6f00 8e9ff3c4
8ec60000
0000000e 8ec08ba0 0000005c 8f861c90 00000000 00000008 80337cdc
80005820
8f8619f8 8f8619f8 00000000 00000000 00000000 00000000 00000000
00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000
...
[ 148.100000] Call Trace:
[ 148.100000] [<8007428c>] tick_program_event+0x4c/0x58
[ 148.110000] [<8ec08ba0>] bpf_filter_skb+0x22c/0x2804 [pf_ring]
[ 148.120000] [<80005820>] ret_from_exception+0x0/0x10
[ 148.120000] [<8ed7d7d8>] RTMPSendPackets+0xb0/0xcc [mt76x2_ap]
[ 148.130000] [<8ec0af54>] bpf_filter_skb+0x25e0/0x2804 [pf_ring]
[ 148.130000] [<8ed7e020>] RtmpNetEthConvertDevSearch+0x0/0x90 [mt76x2_ap]
[ 148.140000] [<80205e70>] dev_hard_start_xmit+0x26c/0x31c
[ 148.140000] [<8ec0b0e8>] bpf_filter_skb+0x2774/0x2804 [pf_ring]
[ 148.150000] [<80202b9c>] __netif_receive_skb_core+0x458/0x558
[ 148.160000] [<802045bc>] process_backlog+0xac/0x1ac
[ 148.160000] [<8001a058>] smp_call_function_interrupt+0x18/0x24
[ 148.170000] [<80204440>] net_rx_action+0x120/0x1f0
[ 148.170000] [<8005bfb8>] handle_irq_event_percpu+0x154/0x188
[ 148.180000] [<8002bce0>] __do_softirq+0x138/0x27c
[ 148.180000] [<8005f528>] handle_percpu_irq+0x8c/0xbc
[ 148.190000] [<8002c0a4>] irq_exit+0x64/0x80
[ 148.190000] [<80005830>] ret_from_irq+0x0/0x4
[ 148.190000] [<8004f404>] pick_next_task_fair+0x114/0x494
[ 148.200000] [<8000ba60>] __schedule+0x560/0x778
[ 148.200000] [<80012f44>] r4k_wait_irqoff+0x0/0x20
[ 148.210000] [<80054f84>] cpu_startup_entry+0x12c/0x188
[ 148.210000] [<80012f5c>] r4k_wait_irqoff+0x18/0x20
[ 148.220000]
[ 148.220000]
Code: (Bad address in epc)
[ 148.220000]
[ 148.230000] ---[ end trace 6bc9aeedc480f5ec ]---
[ 148.230000] Kernel panic - not syncing: Fatal exception in interrupt
[ 148.240000] Rebooting in 3 seconds..
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