[Bug 2130906] Re: stty -F /dev/ttyUSB1 9600 sets speed as 300 not 9600

[Julian Andres Klode]

** Also affects: rust-coreutils (Ubuntu)
   Importance: Undecided
       Status: New

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

** Changed in: coreutils-from (Ubuntu)
       Status: Incomplete => Won't Fix

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Title:
  stty -F /dev/ttyUSB1 9600 sets speed as 300 not 9600

Status in coreutils-from package in Ubuntu:
  Won't Fix
Status in rust-coreutils package in Ubuntu:
  New

Bug description:
  Terminal input/output:

  $ stty --version
  stty (uutils coreutils) 0.2.2
  $ stty -F /dev/ttyUSB1 9600
  $ stty -F /dev/ttyUSB1
  speed 300 baud; line = 0;
  hupcl clocal 
  -brkint ixon -imaxbel 

  Speculation about cause:

  Values in glibc/glibc/sysdeps/unix/sysv/linux/bits/termios.h have
  changed between the version of glibc used in 24.03.3 and 24.10. Is it
  possible the nix::sys::termios crate used by
  uutils/coreutils/blob/0.2.2/src/uu/stty/src/stty.rs still has the old
  values?

  ProblemType: Bug
  DistroRelease: Ubuntu 25.10
  Package: coreutils-from-uutils 0.0.0~ubuntu24
  ProcVersionSignature: Ubuntu 6.17.0-6.6-generic 6.17.1
  Uname: Linux 6.17.0-6-generic x86_64
  ApportVersion: 2.33.1-0ubuntu3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Fri Nov  7 19:20:28 2025
  InstallationDate: Installed on 2025-08-14 (85 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  SourcePackage: coreutils-from
  UpgradeStatus: Upgraded to questing on 2025-11-07 (0 days ago)

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