Foundations Team Updates - 2025-06-05

Project Discussion Foundations
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Previous updates in Foundations Team Updates - 2025-05-29

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ubuntu-release-upgrader

  • analyze why snap connectivity test fails on riscv64. Snapd’s connectivity test tries to find information about snap “core” which does not exist for riscv64. Ticket LP 2112544 created.
  • Working on RVA23 check to disable upgrades of RVA20 systems to unsupported releases.

QEMU 10

  • analyzed FTBFS. rust-coreutils’ expr command has a deficiency
  • tested the PPA build including nested riscv64 VMs running via KVM

24.04.3 installer image

  • Test reworked image

Greenhouse

  • Application reviewed
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Remmina

  • LP #2111952: Prepped the bug for SRU. Confirmed that bug is present in noble but not in jammy. Proposed the noble SRU.

jq

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Documentation

Ubuntu project docs

Ubuntu for developers

Reviews:

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Questing

  • Some universe merges / syncs:
  • Worked on A/B booting method for rpi in flash-kernel
    • Method must backup current boot assets, iff current assets are actually booted
    • Method must detect untried new boot assets and force tryboot on next boot
    • Method must detect fallback and not force tryboot in this circumstance
    • Method must be “as atomic as possible” (can’t be fully atomic in writing assets)

Plucky / Oracular

Noble

Jammy

Focal

General

  • Pi meetings
  • Take home test
  • Interviews
  • Ubuntu uploader meetings
  • Filed bug in snapcraft about mandatory / optional build-on field
  • Worked on bumping the rpi-imager snap to 1.9.4
    • More time spent fighting snapcraft’s lack of Qt6 support …
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.NET

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Shorter week; took Monday and Tuesday off for personal commitments.

Toolchains

  • Continued full focus on LP: #2100492 rustc backports
  • Conclusively identified reason for the Focal 1.81 backport amd64 failure. Created patch adapting an upstream fix to a much later rustc version to this older rustc version. Waiting on PPA build to verify correctness.
  • The Oracular 1.82 backport builds successfully locally but fails in a PPA due to running out of space. Work on addressing this bug is in progress.

Other

  • Company-provisioned laptop has arrived. Currently setting up the new laptop while I wait for rustc builds.
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Short week due to the public holiday.

gradle8:

  • kotlin2 kotlin-stdlib builds, kotlin-compiler project configures, but the build fails due to missing relocated dependency (asm).

openjdk:

misc:

  • talked about Graal Python at Machine Learning group seminar in Waikato University