MickeyOoh
Nerves: I can't upload firmware for `subsystem request failed` error
After upgrading nerves_bootstrap 1.9.0, I can’t upload firmware to target any more for the error.
- mix nerves.new app → make a new project
- mix deps.get → The comments came out.
A new version of Nerves bootstrap is available(1.8.1 < 1.9.0), You can update by running
mix local.nerves
- after update the above,
mix deps.getruns.
** (RuntimeError) :nerves_ssh isn't configured, but :nerves_firmware_ssh is.
This is probably not right. If you recently upgraded to :nerves_ssh or
a library that uses it like :nerves_pack, you'll need to edit your config.exs
and rename references to :nerves_firmware_ssh to :nerves_ssh.
-
modified
nerves_firmware.sshtonerves_sshas the comments in config/target.exe -
mix firmwareand./upload_shexecute
$ ./upload.sh
Path: ./_build/rpi3_dev/nerves/images/connect.fw
Product: connect 0.1.0
UUID: f524800a-2aa7-5f60-7bec-f3a86f32caa3
Platform: rpi3
Uploading to nerves.local...
subsystem request failed on channel 0
After all I can’t upload because of subsystem request failed
I check the previous project if I can upload or not with compiling processes. This case is all right.
.ssh/id_rsa.pub is the same.
And ssh nerves.local passes to make a remote terminal.
I upgrade fwup 1.8.0 -> 1.8.1 but this didn’t solve the issue.
I assume that ssh_subsystem_fwup which is deps of nerves_ssh has something wrong and I should set something on configuration.
Could you please tell me how to solve this?
Thanks.
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First 2 of 2 Posts!
fhunleth
Thanks for posting so many details. I’ll try to explain what’s happening and what you can do to fix it.
The switch from
nerves_firmware_sshtonerves_sshchanges the TCP port number that firmware updates get sent.nerves_firmware_sshuses TCP port 8989.nerves_sshuses TCP port 22. Why the change of ports? The short story is that it centralizes SSH daemon configuration - IEx prompt, SFTP, and firmware updates all get authenticated the same way.It looks like you are using the
upload.shscript fromnerves_sshto update a device that is runningnerves_firmware_ssh. The"subsystem request failed"error is due to the upload script trying to send the firmware file to an ssh subsystem on TCP port 22. That doesn’t exist withnerves_firmware_sshso you get an error.To fix this:
nerves_firmware_sshupload.shscript or download this one. Call itupload-old.sh./upload-old.shto push the new firmware to the deviceupload.shscript (sincenerves_sshis now running on the device).Another option is to continue to use
nerves_firmware_ssh. If you’re usingnerves_packto pull in firmware update support, lock yournerves_packdependency to~> 0.3.0.I hope this fixes your issue.
MickeyOoh
Thanks a lot for your leading.
And I am so sorry to miss reading document although I intended to read it. I should have checked it more carefully.
I appreciate your kind response and help again.