Hello! I’m trying to build a custom kernel module during the Dockerfile build step (something that has succeeded in the past, before the Balena rollout). The build fails during execution of: ./build.sh $balena_machine_type $balenaOS_version my_module And the output looks like: [my_container] …

I just retried this same build and received a different error: [my_container] scripts/basic/fixdep: 1: scripts/basic/fixdep: Syntax error: "(" unexpected Is this issue being investigated on your end? Otherwise receiving different outputs makes me feel insane… Thanks!

We are looking into this @dysri , but we’re not sure exactly what would cause it at the moment. We’ll let you know once we know more.

@dysri would it be possible for you to share the full source of the module you’re trying to build, so we can reproduce this ourselves?

@pimterry Certainly. It’s the driver for a Microchip MCP2221A USB-I2C chip. You can download the module here .

Hi, checking it out, I’m able to reproduce this in general, and doesn’t look like the problem of the module. It appears to me, that fixdep is at the right place but not executable properly (right flags are setup, etc, checking with the devices team for details, this is preliminary check) There are …

@dysri , see https://github.com/balena-io-playground/kernel-module-build/issues/7#issuecomment-430727140 . @imrehg , I think that there is something wrong with your kernel files: just “diff -ruN” the ones for 2.15.1+rev2 with the ones for 2.13.6+rev1.

@daghemo yeah, I think this is a build issue (cc @agherzan @floion ) Looking at the 2.13.6+rev2.prod kernel modules: $ file fixdep fixdep: ELF 32-bit LSB pie executable, ARM, EABI5 version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux-armhf.so.3, for GNU/Linux 3.2.0, BuildID[sha1]=15cb95…

And this connects up well with the comment on that github issue.

Looking at things, the problem might have been introduced in this commit [agherzan] kernel-modules-headers: Update version to v0.0.11 This version uses hostcc (last argument) for modules_prepare as well (not only for for compiling the scripts). On newer kernel versions, mo…

@imrehg @daghemo @pimterry Thank you all for investigating this issue. I have reverted back to the 2.13.6+rev1 kernel headers, and can now successfully build the image. However, during container startup, I get the following output through my balena-cloud dashboard: 12.11.18 10:09:19 (-0800) web-…

Missing `/scripts/basic/fixdep` file during build

Product support

rquant November 26, 2018, 12:22pm 22

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Missing `/scripts/basic/fixdep` file during build

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