4.11-rc1 console log attached.
Board firmware is latest available on Gigabyte's site (T31).

1. Install 4.11-rc1 (`make modules_install install`) and reboot
2. Observe networking driver issues in boot log
   Dmesg: 4.11-rc1_dmesg_on_clean_boot.log [3]
3. Try `ping google.com`, obviously not working
4. `modprobe -r nicpf` (leads to multiple oopses in dmesg)
    Console log: 4.11-rc1_modprobe_r_nicpf_output.log [1]
    Dmesg :4.11-rc1_dmesg_after_modprobe_r_nicpf.log [2]
5. `modprobe nicpf` (this usually works, and afterwards network is up and 
running - not sure whether ALL interfaces are ok, as not all of them are 
connected) - however this time it led to a soft lockup (see full logs attached 
here);

[1] http://paste.ubuntu.com/24178311/
[2] http://paste.ubuntu.com/24178312/
[3] http://paste.ubuntu.com/24178313/

** Attachment added: "ThunderX 4.11-rc1 console log"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1672521/+attachment/4837770/+files/thunderx_4.11_rc1_console_log.txt

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https://bugs.launchpad.net/bugs/1672521

Title:
  ThunderX: soft lockup on 4.8+ kernels

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