The Problem: Intermittent Touchpad Freezing

Users of the Huawei MateBook X Pro running Ubuntu 26.04 LTS have encountered a peculiar issue where the built-in touchpad exhibits erratic behavior immediately after login. The touchpad initially functions normally for a few seconds, then freezes for a noticeable period, before resuming operation. This cycle can repeat several times during the initial startup sequence before eventually stabilizing and working correctly. It's crucial to note that this is not a permanent hardware failure but a software-induced glitch during the boot and login process.

Initial troubleshooting often leads to assumptions about standard power management features like USB autosuspend or general touchpad power saving settings. However, in this specific case, the root cause was identified as a more specialized interaction: the firmware probing of the Goodix touchpad by the fwupd service.

Hardware and Software Configuration

The problem has been consistently observed on a specific hardware and software combination:

  • Laptop: Huawei MateBook X Pro
  • Operating System: Ubuntu 26.04 LTS
  • Kernel: 7.0.0-30-generic
  • Touchpad Model: GXTP7863 (Goodix)

This particular touchpad model, manufactured by Goodix, appears to have a unique interaction with the system's firmware update daemon, fwupd, that triggers the freezing behavior under certain conditions during the OS boot sequence.

The Culprit: fwupd and Goodix Firmware Probing

The investigation revealed that the fwupd service, which is responsible for managing firmware updates on Linux systems, was attempting to probe or initialize the Goodix touchpad's firmware shortly after the graphical environment loaded. This probing process, intended to check for available firmware updates or to ensure the correct firmware is loaded, was somehow causing the touchpad to become unresponsive for several seconds.

fwupd operates by interacting with the kernel's device driver interfaces. For touchpads, it might try to read device information, check firmware versions, or even initiate a firmware update if a newer version is available and configured to auto-update. The specific sequence of operations fwupd was performing on the GXTP7863 touchpad during boot was the trigger for the freeze.

The surprising detail here is not that firmware management can cause issues, but that a routine check by a system service like fwupd could induce such a noticeable and disruptive hardware malfunction during critical user interaction moments like logging in. It suggests a timing conflict or a resource contention issue between fwupd's initialization sequence and the touchpad driver's own startup requirements.

The Solution: Disabling fwupd for Touchpad Firmware

Fortunately, the solution is relatively straightforward and involves preventing fwupd from interfering with the touchpad's firmware initialization. This can be achieved by creating a configuration file that tells fwupd to ignore the Goodix touchpad device.

The recommended approach involves creating a new configuration file in /etc/fwupd/remotes.d/. This file should specify that the device should not be managed by fwupd.

Here are the steps to implement the fix:

  1. Create a new configuration file: Open a terminal and use a text editor with root privileges to create a new file. For example, you can use sudo nano /etc/fwupd/remotes.d/goodix-touchpad.conf.
  2. Add configuration content: Paste the following content into the newly created file: 
    [remove-device]
DeviceID=xgn.0001.0000.0000.0000.0000.0000.0000
    The DeviceID specified here is a unique identifier for the Goodix touchpad firmware, instructing fwupd to exclude it from its management operations.
  3. Save and exit: Save the file (Ctrl+O, Enter in nano) and exit the editor (Ctrl+X in nano).
  4. Restart the fwupd service (optional but recommended): To ensure the new configuration is applied immediately, you can restart the fwupd service with sudo systemctl restart fwupd.
  5. Reboot the system: A full reboot is the most reliable way to test the fix. After rebooting, the touchpad should no longer freeze after login.

This configuration change effectively silences fwupd's interaction with the specific Goodix touchpad, resolving the conflict that caused the freezing behavior. The touchpad will then be managed solely by its native kernel driver without interference.

Broader Implications and Future Considerations

This issue highlights a persistent challenge in the Linux ecosystem: ensuring seamless hardware compatibility across a vast array of devices and software components. While fwupd is a valuable tool for maintaining system firmware security and stability, its aggressive probing or specific interaction patterns can inadvertently cause problems for certain hardware components.

For users of the Huawei MateBook X Pro with this specific touchpad, the workaround is effective. However, it raises questions about the long-term strategy for managing firmware on such devices within Linux. Will future kernel updates or fwupd versions resolve this conflict automatically, or will users continue to rely on manual configuration workarounds?

Furthermore, this situation underscores the importance of detailed bug reporting and community-driven solutions. The fix was identified and shared by a user on Dev.to, demonstrating the power of developer communities in addressing niche hardware issues that might otherwise go unnoticed by major distributions or hardware vendors.

What nobody has addressed yet is whether this specific fwupd interaction with Goodix touchpads is a widespread problem affecting other laptop models or Linux distributions beyond Ubuntu 26.04 LTS. A broader understanding of fwupd's device probing behavior could help prevent similar issues from arising in the future.