Public bug reported:
On Ubuntu 24.04.2 using an Intel Core i7-1195G7 (11th Gen, Iris Xe
Graphics), windows frequently freeze and become unresponsive when a
second monitor is connected via HDMI under Wayland.
This issue does not occur under Xorg — everything works normally there,
even with the same dual-monitor setup.
Steps to reproduce:
1. Use default Ubuntu Wayland session
2. Connect an external monitor via HDMI
3. Use the system normally (even light tasks, e.g. opening Settings or Files)
4. Windows or GNOME shell become unresponsive (sometimes completely freeze)
What I expect: Stable window behavior with multiple monitors on Wayland
What happens: Unresponsiveness and freezing with HDMI monitor connected
Workaround: Logging into the “Ubuntu on Xorg” session avoids all
freezing issues.
Hardware Info:
CPU: Intel Core i7-1195G7
GPU: Intel Iris Xe (integrated)
Kernel: Linux 6.14.0-27-generic
Mesa: (4.6 (Compatibility Profile) Mesa 24.2.8-1ubuntu1~24.04.1
Display server: Wayland (default session)
Monitor setup: Laptop internal display + external HDMI
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: mutter (not installed)
ProcVersionSignature: Ubuntu 6.14.0-27.27~24.04.1-generic 6.14.6
Uname: Linux 6.14.0-27-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 2 09:57:51 2025
InstallationDate: Installed on 2024-04-19 (470 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2119358
Title:
Mutter freezes on Wayland with dual monitors (Intel Iris Xe Graphics,
HDMI output)
Status in mutter package in Ubuntu:
New
Bug description:
On Ubuntu 24.04.2 using an Intel Core i7-1195G7 (11th Gen, Iris Xe
Graphics), windows frequently freeze and become unresponsive when a
second monitor is connected via HDMI under Wayland.
This issue does not occur under Xorg — everything works normally
there, even with the same dual-monitor setup.
Steps to reproduce:
1. Use default Ubuntu Wayland session
2. Connect an external monitor via HDMI
3. Use the system normally (even light tasks, e.g. opening Settings or Files)
4. Windows or GNOME shell become unresponsive (sometimes completely freeze)
What I expect: Stable window behavior with multiple monitors on
Wayland
What happens: Unresponsiveness and freezing with HDMI monitor
connected
Workaround: Logging into the “Ubuntu on Xorg” session avoids all
freezing issues.
Hardware Info:
CPU: Intel Core i7-1195G7
GPU: Intel Iris Xe (integrated)
Kernel: Linux 6.14.0-27-generic
Mesa: (4.6 (Compatibility Profile) Mesa 24.2.8-1ubuntu1~24.04.1
Display server: Wayland (default session)
Monitor setup: Laptop internal display + external HDMI
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: mutter (not installed)
ProcVersionSignature: Ubuntu 6.14.0-27.27~24.04.1-generic 6.14.6
Uname: Linux 6.14.0-27-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sat Aug 2 09:57:51 2025
InstallationDate: Installed on 2024-04-19 (470 days ago)
InstallationMedia: Ubuntu 24.04 LTS "Noble Numbat" - Release amd64 (20240424)
ProcEnviron:
LANG=en_US.UTF-8
PATH=(custom, no user)
SHELL=/bin/bash
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
SourcePackage: mutter
UpgradeStatus: No upgrade log present (probably fresh install)
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2119358/+subscriptions
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