Jorijn van der Graaf
de2e819a16
Kernel aport forked from pmaports 7.1.2-r0, repointed at milos-linux combined-stable with the tested FP6 config (+EFI_ZBOOT for packaging); imsd + nftables aports from the pending pmaports submission. build.sh carries TODO(validate) markers - not yet run end-to-end. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
80 lines
3 KiB
Markdown
80 lines
3 KiB
Markdown
# fp6-img
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Flashable [postmarketOS](https://postmarketos.org/) images for the
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**Fairphone 6**, built nightly from the
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[Catcrafts milos-linux](https://forgejo.catcrafts.net/Catcrafts/milos-linux)
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`combined-stable` kernel branch, with
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[imsd](https://forgejo.catcrafts.net/Catcrafts/imsd) (userspace VoLTE)
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preinstalled.
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Maintained by [Jorijn van der Graaf](https://catcrafts.net/about)
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(TheMightyCat) at [Catcrafts](https://catcrafts.net/).
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> [!CAUTION]
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> **Emergency calling is unverified.** Calls (including 112/911) go through
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> imsd, whose emergency path is spec-shaped but has never been verified
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> against a live network. There is also a known kernel bug that can wedge the
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> modem data path until reboot. **Do not rely on a phone running this image
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> to make emergency calls.**
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## What works
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Everything on the `combined-stable` branch: display, touch, wifi, cellular
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data, NFC (reader), speaker audio, microphone, IMU, magnetometer, barometer,
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ambient light/proximity — plus VoLTE calls (both directions) through imsd.
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Verified on exactly one device / one carrier (KPN NL). Reports from other
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carriers are very welcome.
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## Flashing
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Download `fp6-boot.img` and the rootfs image from the latest release, unlock
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the bootloader ([Fairphone's official process](https://support.fairphone.com/hc/en-us/articles/10492476238737)),
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then:
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```sh
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fastboot flash userdata fairphone-fp6.img
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fastboot flash boot fp6-boot.img
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fastboot reboot
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```
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Default login: `user` / `147147` (same as official postmarketOS images —
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change it). **Never re-lock the bootloader** with a custom image installed.
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## VoLTE configuration
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imsd is installed but needs your carrier's P-CSCF address:
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```sh
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# /etc/imsd.env
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PCSCF=<your carrier's P-CSCF IPv6 address>
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```
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Find it in a stock-firmware capture or your carrier's IMS documentation, then
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`systemctl restart imsd`. See the
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[imsd README](https://forgejo.catcrafts.net/Catcrafts/imsd) for the full
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variable reference and carrier assumptions.
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## How it builds
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`build.sh` drives [pmbootstrap](https://gitlab.postmarketos.org/postmarketOS/pmbootstrap)
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with the `aports/` overlay in this repository:
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- `device/linux-postmarketos-qcom-milos` — the pmaports kernel aport,
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repointed at `combined-stable` (source tarball generated with git-archive;
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the Forgejo instance serves no source archives) with the exact kernel
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config the development FP6 runs.
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- `modem/imsd` — imsd, packaged from source. Its `provides=81voltd` keeps the
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conflicting modem-firmware IMS helper off the image (two IMS stacks cannot
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share one PDN).
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- `main/postmarketos-config-nftables` — adds the `-imsd` subpackage accepting
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imsd's IPsec-protected SIP ports on the IMS PDN (auto-installed alongside
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imsd).
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## Roadmap
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- [ ] End-to-end pipeline validation (`build.sh` has TODO(validate) markers)
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- [ ] Speaker-audio userspace files (AudioReach topology + UCM; firmware
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redistribution being sorted out)
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- [ ] imsd 0.3.0 tag (aport currently needs it published)
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- [ ] Nightly schedule once the first dispatched run is green
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