Bar keeps crashing with Error in inter-thread communication: write() failed: Bad file descriptor
Author: LedzZmCreated Sep 14, 2026Updated Sep 14, 2026
Labelsbugcustominhibitor
I am on Waybar v0.15.0 and Hyprland 0.56.2
Both installed with pacman
My config can be found here https://github.com/LedzZm/.LedzZm.dotfiles/tree/main/waybar
The top bar crashes with the following error
[2026-09-14 20:06:38.175] [info] Bar removed from output: eDP-1
[2026-09-14 20:06:38.176] [info] Bar configured (width: 1920, height: 36) for output: FALLBACK
[2026-09-14 20:06:38.411] [info] Bar removed from output: FALLBACK
[2026-09-14 20:06:38.417] [info] Loading persistent workspaces from Hyprland workspace rules
[2026-09-14 20:06:38.450] [warning] There is no configuration for 'custom/lock', element will be hidden
Discharging
[2026-09-14 20:06:38.671] [info] Bar configured (width: 1440, height: 36) for output: eDP-1
** (waybar:1086): CRITICAL **: 20:09:42.794: Error in inter-thread communication: write() failed: Bad file descriptorSource: Alexays/Waybar