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Test results on thinkpad x1 carbon gen11#76

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photex:thinkpad-x1-carbon-gen11
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Test results on thinkpad x1 carbon gen11#76
photex wants to merge 1 commit intoFreeBSDFoundation:mainfrom
photex:thinkpad-x1-carbon-gen11

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@photex photex commented Apr 27, 2026

Summary

Installed a fresh FreeBSD 15.0 on the laptop and ran the run_hwprobe.sh script

System information

Laptop make/model:
uname -a output: FreeBSD caw 15.0-RELEASE-p6 FreeBSD 15.0-RELEASE-p6 releng/15.0-n281024-6b6bc9afa0b0 GENERIC amd64

Tests Completed

Installation

Wireless

Audio/Video

Power

User Experience

  • I can change the keyboard backlight and display backlight to view at a comfortable brightness.

  • I can use multi-finger touchpad gestures in my desktop environment.
    Multi-finger touchpad proj-laptop#18

  • All of the laptop's specialty keyboard buttons (e.g. brightness, volume, etc.) work correctly and can be customized in my desktop environment.
    Make specialty buttons work proj-laptop#19

  • I can connect to an external monitor or projector using HDMI while using my desktop environment's display settings manager to configure it.
    HDMI support proj-laptop#27

Virtualization

Additional Info

Moin! Some notes from going through this list:

  • The TUI installer and base system installs fine and easily. It was unfortunately a bit of research to get to the point where KDE was running and I was able to more or less treat this laptop like a typical workstation.
  • Wifi setup was handled during the install and presented a couple of head scratchers to someone like me more accustomed to NetworkManager. But the driver for this laptop was found by the installer and there was no real technical hurdle to vault.
  • The option for entering sleep mode in the kde menus are disabled, but hibernate is enabled. When I tried to hibernate though, it didn't appear to work. Opening the laptop lid did start the computer up, but it was as if it was a fresh boot.
  • Bluetooth doesn't appear to be enabled (perhaps I need to install something still) so I wasn't able to test tethering with my phone.
  • I didn't try to use this for a full 8-hours at this point. The laptop runs warmer than usual (comparing to Arch and CachyOS). KDE battery widget indicates about 2.5 hours remaining after about 30 minutes of use. But I wouldn't say that's much worse than what this machine gets typically.
  • The "media keys" on the keyboard mostly don't work. Volume keys work, but the rest do nothing. Inspecting the layout in KDE settings shows that the layout is set to a generic option. There was no change when I tested with several of the Lenovo options. Going into the shortcuts editor and attempting to assign whatever key mapped to the brightness keys showed that no key event was emitted when pressing the keys.
  • I did not run any VM tests at this time.
  • I was able to run vkcube just fine. vulkaninfo returned all the expected information.
  • Youtube played several videos in fullscreen without any screen tearing.
  • Blender ran excellently, but closing the window froze the desktop. Switching to tty1 and then back seemed to be enough to unclog the works thankfully.

@svmhdvn
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svmhdvn commented Apr 28, 2026

Thanks for the contribution! Just replying to some of your notes, then I'll merge soon after.

It was unfortunately a bit of research to get to the point where KDE was running

Were you able to try the latest version of the KDE installer script (soon to be merged into the FreeBSD base system)? This should provide a guided installation: https://gitlab.com/alfix/kde-installer-dialogs/

When I tried to hibernate though, it didn't appear to work

Currently, hibernation is being actively developed on FreeBSD, so is not yet supported even though KDE exposes it in its GUI. Modern standby (S0ix) on modern laptops/desktops is also in active development and is near completion, but legacy sleep (S3) works. You can follow its progress here: FreeBSDFoundation/proj-laptop#32 and here: FreeBSDFoundation/proj-laptop#29

Could you confirm the output of sysctl hw.acpi.supported_sleep_state?

Bluetooth doesn't appear to be enabled

Bluetooth is also in development, so currently it will not work out of the box. You can track its progress here: FreeBSDFoundation/proj-laptop#44

Going into the shortcuts editor and attempting to assign whatever key mapped to the brightness keys showed that no key event was emitted when pressing the keys.

This looks like something that needs to be investigated further. Just to confirm and help with further debug, are you running KDE Plasma wayland or X11?

Blender ran excellently, but closing the window froze the desktop. Switching to tty1 and then back seemed to be enough to unclog the works thankfully.

Thanks for the bug report, I'll look into the Blender port and its interactions on KDE.

@photex
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photex commented Apr 28, 2026

Thanks for the contribution! Just replying to some of your notes, then I'll merge soon after.

My pleasure. I've decided to dedicate this laptop to the effort in order to help test and I'm so happy this repo is here to make that possible.

Were you able to try the latest version of the KDE installer script (soon to be merged into the FreeBSD base system)? This should provide a guided installation: https://gitlab.com/alfix/kde-installer-dialogs/

I have since seen a video about this, I'll wipe and reinstall tonight/tomorrow and give this a shot.

One thing I've forgotten to mention is that when sddm starts I get a dialog about /var/lib/sddm/.config/sddm-greeter-qt6rc not being writable. Clicking ok on the dialog brings up the expected login window.

Could you confirm the output of sysctl hw.acpi.supported_sleep_state?

hw.acpi.supported_sleep_state: S4 S5

Going into the shortcuts editor and attempting to assign whatever key mapped to the brightness keys showed that no key event was emitted when pressing the keys.

This looks like something that needs to be investigated further. Just to confirm and help with further debug, are you running KDE Plasma wayland or X11?

I'm running KDE Plasma wayland.

Blender ran excellently, but closing the window froze the desktop. Switching to tty1 and then back seemed to be enough to unclog the works thankfully.

Thanks for the bug report, I'll look into the Blender port and its interactions on KDE.

Just to follow up here. I discovered that muscle memory caused me to use alt-f4 to close Blender. I ended up trying this with another application and the same behavior occurred. So I don't think it has anything to do with Blender, but is something up with kwin (? maybe ?) or some other part of KDE.

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@photex @svmhdvn