tmux fails to start in local session #7156

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opened 2026-01-31 00:56:39 +00:00 by claunia · 0 comments
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Originally created by @kasper93 on GitHub (Mar 26, 2020).

Environment

Windows 10.0.18363.0
f986539e3c
WT @ 31efd69149
Fully updated Cygwin as of 2020-03-26
Fully updated MSYS2 as of 2020-03-26

Steps to reproduce

  1. Run tmux

Expected behavior

tmux works

Actual behavior

tmux doesn't work

open terminal failed: not a terminal

Even more info

tmux works fine in

  • Cygwin@Mintty
  • MSYS2@Mintty
  • wsl
  • in ssh session
Originally created by @kasper93 on GitHub (Mar 26, 2020). # Environment Windows 10.0.18363.0 https://github.com/tmux/tmux/commit/f986539e3c1c8757d443ea61c9c155c36aae38d7 WT @ https://github.com/microsoft/terminal/commit/31efd69149c3b23c000c7491f98254356b1eaf34 Fully updated Cygwin as of 2020-03-26 Fully updated MSYS2 as of 2020-03-26 # Steps to reproduce 1. Run tmux # Expected behavior tmux works # Actual behavior tmux doesn't work ``` open terminal failed: not a terminal ``` ### Even more info tmux works fine in * Cygwin@Mintty * MSYS2@Mintty * wsl * in ssh session
claunia added the Needs-Tag-FixNeeds-AttentionProduct-Terminal labels 2026-01-31 00:56:39 +00:00
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Reference: starred/terminal#7156