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Ubuntu 16.04 - One Wire testing

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Posted at 6/28/2018 02:00:35     
We are missing a particular library

firefly@firefly:~$ modprobe wire
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.4.77/modules.dep.bin'
modprobe: FATAL: Module wire not found in directory /lib/modules/4.4.77

I know that firefly has HIGHLY customised their kernel to fill there needs, and there are many bits that can be missing depending on what you need to do.  As a baseline system, it is wonderful, but push it a little, and if falls down in many ways.

We really don't want to get into customised building of the kernel if we don't have to.

Any suggestions anyone?
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Posted at 12/5/2018 16:49:19     
Hi,
I have a similar problem tryong to use iptables:
modprobe iptables
modprobe: ERROR: ../libkmod/libkmod.c:586 kmod_search_moddep() could not open moddep file '/lib/modules/4.4.77/modules.dep.bin'
modprobe: FATAL: Module iptables not found in directory /lib/modules/4.4.77
I'm using 8 firfly RK3399 to buil a HPC cluster managed with SLURM. One of the card is used as NAT server. With a previous version I was able to complete my task, but with Firefly-RK3399-ubuntu16.04-20180416112819.img and some other found going aroud in internet I'm not able to complete my task.
Has someone suggestions on how to solve this issue?
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Posted at 12/6/2018 11:34:35     
Hi, sara.bertocco. It is interesting to hear that you build the HPC cluster
using the Firefly-RK3399.

It seems that there're no kernel module files installed to the rootfs.
I suggest that you build the kernel, adding missing module as builtin,
and flash the new kernel to the board.
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