The screen remains black after suspending, xorg high on CPU

 If your screen remains black after your system resumes from suspension, and you notice that Xorg is using a high amount of CPU, there could be several reasons for this issue. Here are some troubleshooting steps to resolve the problem:


1. **Check for Graphics Driver Issues**:

   Ensure that your graphics drivers are up to date. In many cases, outdated or incompatible graphics drivers can cause problems with Xorg. Use the appropriate method to update your graphics drivers based on your system's GPU (e.g., NVIDIA, AMD, Intel).


2. **Tweak Xorg Configuration**:

   You may need to configure Xorg to work better with your hardware. Check your Xorg configuration files (usually located in `/etc/X11/`) and consider making adjustments. For instance, you can experiment with disabling hardware acceleration or changing rendering methods.


3. **Disable Screensaver and Power Management**:

   Some issues may be related to screensavers or power management settings. Disable or adjust these settings to prevent the screen from turning off or suspending when it's not supposed to.


4. **Check for ACPI Issues**:

   ACPI (Advanced Configuration and Power Interface) can sometimes cause problems with suspend and resume. Check your system's ACPI settings and configurations. You may need to update ACPI-related packages.


5. **Tweak Kernel Parameters**:

   Some users have reported success by tweaking kernel parameters. Add `acpi_osi=` or `nomodeset` to your kernel command line options in your bootloader configuration (e.g., GRUB) and see if that helps.


6. **Check for Third-Party Software Conflicts**:

   Sometimes third-party software or scripts can interfere with Xorg and the suspend/resume process. Check if you have any custom scripts or software that might be causing issues.


7. **Update Your System**:

   Make sure your entire system, including the kernel, is up to date with the latest updates and patches.


8. **Hardware Issues**:

   In some cases, hardware issues can cause problems with suspending and resuming. Check for hardware problems such as faulty RAM, storage, or GPU.


9. **Log Files**:

   Review the Xorg log files (usually found in `/var/log/Xorg.0.log` or `/var/log/Xorg.1.log`) to identify any error messages or warnings that might provide clues about the issue.


10. **Consult Community and Support**:

    If the issue persists, consider seeking help from the Fedora community, forums, or support channels. Others may have encountered similar problems and could offer specific solutions.


It's important to approach these steps one at a time, starting with the graphics driver and kernel updates, as they are common culprits. Be cautious when making changes to configuration files, and make backups if necessary.

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