[    0.490637] libphy: Fixed MDIO Bus: probed
[    0.843216] libphy: ag71xx_mdio: probed
[    0.847406] CPU 0 Unable to handle kernel paging request at virtual address 0000000c, epc == 8030cb10, ra == 80308988
[    0.858213] Oops[#1]:
[    0.860520] CPU: 0 PID: 1 Comm: swapper Not tainted 4.19.68 #0
[    0.866426] $ 0   : 00000000 00000001 8030caec 8fc28000
[    0.871731] $ 4   : 805579d8 8fc28000 00000000 00000000
[    0.877037] $ 8   : 00000000 80485a70 8f810130 00000110
[    0.882344] $12   : 8000001f 00000000 00000114 00000001
[    0.887650] $16   : 8fce6000 8fe3dc00 00000000 00000000
[    0.892956] $20   : 80710000 805a7390 00000000 00000000
[    0.898263] $24   : ffffffe0 802e13d0
[    0.903570] $28   : 8fc1a000 8fc1b908 8fe3bc70 80308988
[    0.908877] Hi    : 00000002
[    0.911798] Lo    : 07e48000
[    0.914748] epc   : 8030cb10 ar8327_cleanup+0x24/0xa4
[    0.919873] ra    : 80308988 ar8xxx_free+0x2c/0x50
[    0.924725] Status: 1100dc03 KERNEL EXL IE
[    0.928968] Cause : 00800008 (ExcCode 02)
[    0.933033] BadVA : 0000000c
[    0.935946] PrId  : 00019750 (MIPS 74Kc)
[    0.939921] Modules linked in:
[    0.943024] Process swapper (pid: 1, threadinfo=(ptrval), task=(ptrval), tls=00000000)
[    0.951046] Stack : 00000000 8fce6000 8fe3dc00 8fce6000 00000000 8fce6000 8fe3dc00 ffffffed
[    0.959527]         00000000 80308988 8fce6000 8fe3dc00 804ad31c 00000000 8fce6000 80309a90
[    0.968011]         80710000 805a7390 00000000 802d53ac 00000000 00000000 8fe3dc00 805a7390
[    0.976495]         80710000 80305204 8fc1b970 8fc1b970 8fe3dc00 80304f30 8fe3dc00 8fe3dc00
[    0.984977]         00000000 802d0fd0 805a0000 805a7390 8fc1b9f8 802d159c 00000000 8fc1b9f8
[    0.993461]         ...
[    0.995943] Call Trace:
[    0.998422] [<8030cb10>] ar8327_cleanup+0x24/0xa4
[    1.003193] [<80308988>] ar8xxx_free+0x2c/0x50
[    1.007698] [<80309a90>] ar8xxx_mdiodev_probe+0x280/0x2b0
[    1.013170] [<80305204>] mdio_probe+0x34/0x6c
[    1.017599] [<802d0fd0>] really_probe+0x180/0x300
[    1.022367] [<802cf074>] bus_for_each_drv+0x58/0xb8
[    1.027312] [<802d0dd0>] __device_attach+0x84/0xfc
[    1.032171] [<802d00b8>] bus_probe_device+0x38/0xbc
[    1.037116] [<802ccbb0>] device_add+0x41c/0x628
[    1.041709] [<803052dc>] mdio_device_register+0x28/0x60
[    1.047022] [<8032cbd0>] of_mdiobus_register+0x19c/0x324
[    1.052436] [<80319904>] ag71xx_mdio_probe+0x1a0/0x1d4
[    1.057653] [<802d2c3c>] platform_drv_probe+0x40/0x84
[    1.062777] [<802d0fd0>] really_probe+0x180/0x300
[    1.067546] [<802cf074>] bus_for_each_drv+0x58/0xb8
[    1.072491] [<802d0dd0>] __device_attach+0x84/0xfc
[    1.077349] [<802d00b8>] bus_probe_device+0x38/0xbc
[    1.082294] [<802ccbb0>] device_add+0x41c/0x628
[    1.086913] [<803270c0>] of_platform_device_create_pdata+0xb4/0x100
[    1.093267] [<8032729c>] of_platform_bus_create+0x184/0x24c
[    1.098917] [<803274e0>] of_platform_populate+0x74/0xf0
[    1.104215] [<8031be6c>] ag71xx_probe+0x858/0x944
[    1.108986] [<802d2c3c>] platform_drv_probe+0x40/0x84
[    1.114107] [<802d0fd0>] really_probe+0x180/0x300
[    1.118877] [<802d151c>] __driver_attach+0xb4/0xfc
[    1.123733] [<802cefb0>] bus_for_each_dev+0x58/0xb0
[    1.128680] [<802d0358>] bus_add_driver+0xf4/0x214
[    1.133538] [<802d1d54>] driver_register+0xcc/0x11c
[    1.138499] [<805cab30>] ag71xx_module_init+0x2c/0x50
[    1.143623] [<80060a1c>] do_one_initcall+0x7c/0x1a0
[    1.148580] [<805b5d64>] kernel_init_freeable+0x150/0x218
[    1.154059] [<80485d58>] kernel_init+0x10/0x104
[    1.158655] [<80065958>] ret_from_kernel_thread+0x14/0x1c
[    1.164127] Code: 8c920220  3c048055  248479d8 <8e45000c> 0c02e1a8  3c13805a  00008825  1000000e  267374e0
[    1.174028]
[    1.175577] ---[ end trace 75a75518ab7c7174 ]---
[    1.181237] Kernel panic - not syncing: Fatal exception
[    1.187275] Rebooting in 1 seconds..