Bug#1113936: Additional info: kscreen

To: 1113936@bugs.debian.org
Subject: Bug#1113936: Additional info: kscreen
From: "Heikki Levanto" <heikkilevanto@fastmail.com>
Date: Mon, 08 Sep 2025 10:15:48 +0200
Message-id: <[🔎] 5a8f6cea-bd17-4bfb-a3c0-086d3e99e898@app.fastmail.com>
Reply-to: "Heikki Levanto" <heikkilevanto@fastmail.com>, 1113936@bugs.debian.org
References: <[🔎] 175698737733.1864278.877908797240512869.reportbug@handel.lsd.dk>

The issue persisted even after removing the powerdevil package. After a lot of debugging, I found that KDE's kscreen does seem to poll the monitor to ask if it is on. Disabling that in Kde's system settings / Autostart seems to have solved the issue.

At this point I am not quite sure if the powerdevil was guilty of poking the display as well.

Reply to:

References:
- Bug#1113936: powerdevil: PowerDevil periodically pokes DPMS while the screen is off
  - From: Heikki Levanto <heikki@lsd.dk>

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