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Building a custom initrd with the linux-image.sh script of the docker image fails on powerpc64 #1399

Closed
4 of 11 tasks
gamma0987 opened this issue Jan 2, 2024 · 2 comments · Fixed by #1405
Closed
4 of 11 tasks

Building a custom initrd with the linux-image.sh script of the docker image fails on powerpc64 #1399

gamma0987 opened this issue Jan 2, 2024 · 2 comments · Fixed by #1405

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@gamma0987
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Describe your issue

I needed to run cross with CROSS_RUNNER=qemu-system with the powerpc64-linux-unknown-gnu target. I was missing the debug symbols for libc6 within the initrd image which are provided by the libc6-dbg package, so I adjusted the /linux-image.sh shell script within the docker image and ran it with /linux-image.sh powerpc64. However, I wasn't able to build an initrd with the provided linux-image.sh script which actually boots. Long story short:

There were some issues within this script which I finally fixed to be able to build a successfully booting /qemu/initrd.gz and /qemu/kernel.

Problems:

  1. Missing gpg key 8D69674688B6CB36 (Debian Ports Archive Automatic Signing Key (2024) <ftpmaster@ports-master.debian.org>)
  2. The binaries and busybox are installed into /usr/bin/ instead of /bin. /bin is used in the linux-image.sh script. I think this happens due to the usage of the ports debian mirror. The ports binaries were installed into /usr/bin.
  3. The kernel modules are installed into /usr/lib/modules instead of /lib/modules. /lib/modules is used in the linux-image.sh.
  4. The kernel modules are compressed with xz and end with *.ko.xz instead of *.ko

Unlike other targets powerpc64 uses a pretty recent kernel (linux-image-6.6.8-powerpc64) and I think 3. and 4. are related to that. None of these problems were particularly hard to fix. Are you interested in a pr with a fixed linux-image.sh script?

What target(s) are you cross-compiling for?

powerpc64-unknown-linux-gnu

Which operating system is the host (e.g computer cross is on) running?

  • macOS
  • Windows
  • Linux / BSD
  • other OS (specify in description)

What architecture is the host?

  • x86_64 / AMD64
  • arm32
  • arm64 (including Mac M1)

What container engine is cross using?

  • docker
  • podman
  • other container engine (specify in description)

cross version

cross 0.2.5

Example

No response

Additional information / notes

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@Emilgardis
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Id be very interested in a pr with fixes to this!

@gamma0987
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Ok :) I'm a little bit busy right now, but I'll start a pr the next days.

gamma0987 added a commit to gamma0987/cross that referenced this issue Jan 7, 2024
@gamma0987
fix cross-rs#1399: The docker/linux-image.sh script should accept /us…
68baacc 
…r prefix
gamma0987 added a commit to gamma0987/cross that referenced this issue Jan 7, 2024
@gamma0987
fix cross-rs#1399: The docker/linux-image.sh script should accept /us…
f4ea5b5 
…r prefix
gamma0987 added a commit to gamma0987/cross that referenced this issue Jan 7, 2024
@gamma0987
fix cross-rs#1399: Make the docker/linux-image.sh script more broadly…
d2da88b 
… applicable
@gamma0987 gamma0987 mentioned this issue Jan 7, 2024
Merged
gamma0987 added a commit to gamma0987/cross that referenced this issue Jan 8, 2024
@gamma0987
fix cross-rs#1399: Make the docker/linux-image.sh script more broadly…
6c4b64a 
… applicable
github-merge-queue bot pushed a commit that referenced this issue Jan 8, 2024
@Emilgardis
Fix docker/linux-image.sh script (#1405)
5daae4d 
As promised here's the fixed `linux-image.sh` script.

As outlined in #1399 this pr fixes:

* Missing gpg key 8D69674688B6CB36 (Debian Ports Archive Automatic
Signing Key (2024) <ftpmaster@ports-master.debian.org>)
* The binaries and busybox might also be installed into `/usr/bin/`
instead of `/bin`.
* The kernel modules might also installed into `/usr/lib/modules`
instead of `/lib/modules`.
* The kernel modules might be compressed with `xz` and end with
`*.ko.xz` instead of just `*.ko`

The first commit adds some vim special files to `.gitignore` and in the
second commit the script was formatted with `shfmt` with standard
settings and some minor issues from `shellcheck` were fixed.

The third commit fixes the actual issues. Not sure if you wanna keep the
first two commits but they made working on this file easier.

Closes #1399
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Fix docker/linux-image.sh script gamma0987/cross
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@Emilgardis @gamma0987