Bug#1110959: GUI extends the virtual screen to a phantom monitor

From	Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1110959: GUI extends the virtual screen to a phantom monitor
Date	2025-08-20 11:00 +0200
Message-ID	<LlMPL-8YzZ-3@gated-at.bofh.it> (permalink)
References	<Lj6rD-78u7-5@gated-at.bofh.it> <Lj6rD-78u7-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Control: tag -1 + moreinfo

Hello,

On Wed, Aug 13, 2025 at 01:14:51AM +0200, Peter Müller wrote:
> Package: src:linux
> Version: 6.12.38-1
> Control: affects -1 gnome gnome-control-center nvidia-driver
> 
> The machine on which the bug occurs is a desktop PC with a graphic card NVIDIA PΛLiΤ GeForce GTX 1660 in a PCIe slot (to which a monitor is connected via DVI output) and a chip ASPEED AST2500 64MB on the motherboard (this chip provide VGA output, but no monitor is connected to the VGA socket). I run gnome 1:48+2 with libmutter-16-0 48.4-2 on xorg 1:7.7+24 in Debian trixie. The proprietary nvidia-driver 550.163.01-2 is in use.

Can you please provide the output of:

	journalctl -k

or

	dmesg

?

Best regards
Uwe

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Bug#1110959: GUI extends the virtual screen to a phantom monitor Uwe Kleine-König <u.kleine-koenig@baylibre.com> - 2025-08-20 11:00 +0200
  Bug#1110959: GUI extends the virtual screen to a phantom monitor Peter Müller <PeterMueller0@ro.ru> - 2025-08-20 15:00 +0200

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