[    4.809535] mv88e6085 f212a200.mdio-mii:06: configuring for fixed/1000base-x link mode
[    4.812041] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000470
[    4.836959] Mem abort info:
[    4.839761]   ESR = 0x0000000096000006
[    4.843528]   EC = 0x25: DABT (current EL), IL = 32 bits
[    4.848863]   SET = 0, FnV = 0
[    4.851927]   EA = 0, S1PTW = 0
[    4.855082]   FSC = 0x06: level 2 translation fault
[    4.859981] Data abort info:
[    4.862874]   ISV = 0, ISS = 0x00000006
[    4.866726]   CM = 0, WnR = 0
[    4.869709] user pgtable: 4k pages, 48-bit VAs, pgdp=0000000101674000
[    4.876179] [0000000000000470] pgd=080000010090d003, p4d=080000010090d003, pud=0800000100918003, pmd=0000000000000000
[    4.886841] Internal error: Oops: 96000006 [#1] SMP
[    4.891739] Modules linked in:
[    4.894805] CPU: 2 PID: 59 Comm: kworker/u8:2 Not tainted 5.19.0-rc2-00452-g7d1932684655-dirty #515
[    4.903889] Hardware name: Marvell Armada CN9130-CRB-B (DT)
[    4.909482] Workqueue: events_unbound deferred_probe_work_func
[    4.915349] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    4.922339] pc : mutex_lock+0x10/0x50
[    4.926018] lr : mdiobus_modify+0x3c/0xb0
[    4.930045] sp : ffff800008543850
[    4.933372] x29: ffff800008543850 x28: ffffa06a4ada76e0 x27: ffff22b9402dc080
[    4.940539] x26: ffff22b9424989c8 x25: 0000000000000300 x24: 0000000000000470
[    4.947706] x23: 000000004004f003 x22: 0000000000000000 x21: 0000000000000300
[    4.954872] x20: 0000000000000000 x19: ffff22b94192fbf0 x18: 0000000000000028
[    4.962039] x17: 0000000036303a69 x16: 696d2d6f69646d2e x15: fffffffffffe6078
[    4.969206] x14: 000000000000025c x13: 0000000000000001 x12: 0000000000000000
[    4.976371] x11: 0000000000000001 x10: 0000000000000a10 x9 : ffff800008543480
[    4.983537] x8 : ffff22b940960a70 x7 : ffff22ba7ef9efc0 x6 : 00000000000000c0
[    4.990703] x5 : 00000000410fd080 x4 : 0000000000000300 x3 : 0000000000000300
[    4.997869] x2 : ffff22b940960000 x1 : 0000000000000000 x0 : 0000000000000470
[    5.005035] Call trace:
[    5.007488]  mutex_lock+0x10/0x50
[    5.010816]  mv88e6393x_sgmii_pcs_disable+0x54/0x94
[    5.015715]  mv88e6393x_sgmii_pcs_pre_config+0x34/0x44
[    5.020875]  phylink_major_config+0xb4/0x40c
[    5.025162]  phylink_mac_initial_config+0xb4/0x11c
[    5.029972]  phylink_start+0x4c/0x240
[    5.033647]  dsa_port_enable_rt+0x50/0x90
[    5.037673]  dsa_port_enable+0x28/0x44
[    5.041435]  dsa_port_setup+0xd4/0x160
[    5.045198]  dsa_register_switch+0xbec/0x1050
[    5.049571]  mv88e6xxx_probe+0x708/0x780
[    5.053510]  mdio_probe+0x34/0x70
[    5.056837]  really_probe.part.0+0x9c/0x2ac
[    5.061037]  __driver_probe_device+0x98/0x144
[    5.065410]  driver_probe_device+0x44/0x11c
[    5.069608]  __device_attach_driver+0xb4/0x120
[    5.074069]  bus_for_each_drv+0x78/0xd0
[    5.077920]  __device_attach+0xa8/0x1c0
[    5.081769]  device_initial_probe+0x14/0x20
[    5.085969]  bus_probe_device+0x9c/0xa4
[    5.089820]  deferred_probe_work_func+0x88/0xc0
[    5.094369]  process_one_work+0x1d8/0x370
[    5.098395]  worker_thread+0x278/0x4c0
[    5.102159]  kthread+0xd8/0xdc
[    5.105224]  ret_from_fork+0x10/0x20
[    5.108816] Code: d503245f d2800001 d5384102 f9800011 (c85ffc03) 
[    5.114933] ---[ end trace 0000000000000000 ]---
[    5.119568] Kernel panic - not syncing: Oops: Fatal exception
[    5.125335] SMP: stopping secondary CPUs
[    5.129274] Kernel Offset: 0x206a41e00000 from 0xffff800008000000
[    5.135392] PHYS_OFFSET: 0xffffdd47c0000000
[    5.139589] CPU features: 0x800,00025810,00001082
[    5.144311] Memory Limit: none
[    5.147378] Rebooting in 15 seconds..