[FS#330] xrx200-net: kenrel panic

[LEDE Bugs]

The following task has a new comment added:

FS#330 - xrx200-net: kenrel panic
User who did this - Michael Thomson (michthom)

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Argh! I'm starting to doubt my sanity - second HH5a is still seeing the unaligned access problem, despite the latest patch. 
[    2.176969] init: Console is alive
[    2.179198] init: - watchdog -
[    2.343865] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    2.412093] dwc2 1e101000.ifxhcd: requested GPIO 495
[    3.271414] dwc2 1e101000.ifxhcd: DWC OTG Controller
[    3.275003] dwc2 1e101000.ifxhcd: new USB bus registered, assigned bus number 1
[    3.282317] dwc2 1e101000.ifxhcd: irq 62, io mem 0x00000000
[    3.287858] dwc2 1e101000.ifxhcd: Hardware does not support descriptor DMA mode -
[    3.295286] dwc2 1e101000.ifxhcd: falling back to buffer DMA mode.
[    3.302869] hub 1-0:1.0: USB hub found
[    3.305707] hub 1-0:1.0: 1 port detected
[    3.310673] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    3.327882] init: - preinit -
[    3.529392] Unhandled kernel unaligned access[#1]:
[    3.532728] CPU: 0 PID: 355 Comm: ip Not tainted 4.4.45 #0
[    3.538207] task: 87d4ed48 ti: 87f76000 task.ti: 87f76000
[    3.543597] $ 0   : 00000000 00000000 87e1f92a 00000000
[    3.548818] $ 4   : 87c1b6c0 ffffffff 00000020 00000000
[    3.554040] $ 8   : 00000040 87e1f962 00000000 00000000
[    3.559263] $12   : 10032080 77be62c0 00000000 00400bd0
[    3.564485] $16   : 8065ccc0 00000040 87c1b6c0 ffffffff
[    3.569708] $20   : 00000000 c0000000 00000020 87d78800
[    3.574930] $24   : 00000000 80028a38                  
[    3.580152] $28   : 87f76000 87f77c08 8065c898 80278498
[    3.585376] Hi    : 000001cb
[    3.588248] Lo    : 00001e75
[    3.591147] epc   : 802e7b10 eth_type_trans+0x14/0x210
[    3.596270] ra    : 80278498 xrx200_poll_rx+0x134/0x1d8
[    3.601477] Status: 1100fc03 KERNEL EXL IE 
[    3.605657] Cause : 00800010 (ExcCode 04)
[    3.609660] BadVA : 00000133
[    3.612533] PrId  : 00019556 (MIPS 34Kc)
[    3.616448] Modules linked in: dwc2 gpio_button_hotplug aead cryptomgr crypto_null
[    3.624028] Process ip (pid: 355, threadinfo=87f76000, task=87d4ed48, tls=77be7d48)
[    3.631679] Stack : 805aa000 00000b83 87f48030 87f48000 8065ccc0 71000040 87c1b6c0 8065ccc0
          00000040 80278498 00000015 00000014 00000b83 805aa000 8000003f 80498d6c
          8065ccc0 00000020 00000008 0000012c 804e4940 87f77c90 fffede5e 804e0000
          804e0000 802c8b34 0000004b 87812758 81014ca0 805aa000 804e0000 804af20c
          804e0000 804af51c 87f77c90 87f77c90 87f77c98 87f77c98 80633f2c 00000004
          ...
[    3.667193] Call Trace:
[    3.669638] [] eth_type_trans+0x14/0x210
[    3.674427] [] xrx200_poll_rx+0x134/0x1d8
[    3.679320] [] net_rx_action+0x118/0x2e0
[    3.684101] [] __do_softirq+0x2a0/0x2b8
[    3.688788] [] do_softirq.part.1+0x70/0x78
[    3.693749] [] __local_bh_enable_ip+0x88/0xc0
[    3.698971] [] xrx200_open+0x144/0x1e8
[    3.703589] [] __dev_open+0xf0/0x1ac
[    3.708025] [] __dev_change_flags+0xc0/0x17c
[    3.713160] [] dev_change_flags+0x28/0x70
[    3.718036] [] devinet_ioctl+0x2b4/0x8a8
[    3.722843] [] sock_ioctl+0x294/0x2f0
[    3.727338] 
[    3.728816] 
Code: afb0001c  afbf0024  ac850014  00a08821  10400004  00808021  00802821  0040f809 
[    3.738822] ---[ end trace 0480546943e11510 ]---
[    3.745682] Kernel panic - not syncing: Fatal exception in interrupt
[    3.751810] Rebooting in 1 seconds..
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=330#comment1513