Hello Thomas, it appears commit 4bdf22803f9a41329694e0c3c82189635dccdcd0 breaks disabling colors using the documented mechanism of touching /etc/terminal-colors.d/dmesg.disable. See below for a user report. On Sun, Jan 26, 2025 at 07:19:09PM +0100, Axel wrote: > Package: util-linux > Version: 2.40.4-1 > > Running dmesg after upgrading to trixie started showing color. The manpage > mentions creating /etc/terminal-colors.d/disable which should disable colors > for all. Creating the also mentioned /etc/terminal-colors.d/dmesg.disable > doesn't disable color output also. I had /etc/terminal-colors.d/disable > configured which did disable colors on -stable.