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[Bug 2112491] Re: mutter & gnome-shell: FTBFS with coreutils-from: pipewire stuck in an accept4 loop

 

I could reproduce locally and find the issue.

This is a really major break in the `env` program: it doesn't re-execute
with the subcommand, instead it forks! So then terminating the env
process keeps the subcommand running. This affects all scripts whose
shebang uses /usr/bin/env.

Think of any systemd-managed python daemon; now stopping the service
doesn't terminate the daemon if its shebang looks like `#!/usr/bin/env
python3`.

** Changed in: coreutils-from (Ubuntu)
       Status: New => Triaged

** Changed in: pipewire (Ubuntu)
       Status: New => Invalid

** Changed in: mutter (Ubuntu)
       Status: In Progress => Invalid

** Changed in: rust-coreutils (Ubuntu)
       Status: New => Triaged

** Changed in: rust-coreutils (Ubuntu)
   Importance: Undecided => Critical

** Changed in: rust-coreutils (Ubuntu)
    Milestone: None => ubuntu-25.10

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https://bugs.launchpad.net/bugs/2112491

Title:
  mutter & gnome-shell: FTBFS with coreutils-from: pipewire stuck in an
  accept4 loop

Status in coreutils-from package in Ubuntu:
  Triaged
Status in gnome-shell package in Ubuntu:
  Invalid
Status in mutter package in Ubuntu:
  Invalid
Status in pipewire package in Ubuntu:
  Invalid
Status in rust-coreutils package in Ubuntu:
  Triaged

Bug description:
  Seen in the test rebuild with coreutils-from 0.0.0~ubuntu8
  https://people.canonical.com/~ginggs/ftbfs-report/test-rebuild-20250530-questing-coreutils-questing.html

  but not in the reference rebuild
  https://people.canonical.com/~ginggs/ftbfs-report/test-rebuild-20250530-questing-questing.html

  
  mutter 48.1-1ubuntu4 has failed multiple times with no log against coreutils-from 0.0.0~ubuntu8.
  It built successfully on first attempt in questing -release.

  I'm not sure if this link is helpful:

  https://launchpad.net/ubuntu/+archive/test-rebuild-20250530-questing-
  coreutils/+build/30875360

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