Bug#1109409: Update: High power consumption and Nouveau driver corruption

juquinha junior juquinhaj at yahoo.com.br
Sun May 24 22:05:01 BST 2026


Please add this important detail to my previous report:

The core reason for downgrading back to the official 550 driver series was a major regression in power management. With the 595 driver active, the discrete Nvidia RTX 3060 card remained powered on constantly, resulting in extremely high energy consumption and draining the laptop battery very quickly. 

Furthermore, during the troubleshooting process, the open-source Nouveau driver package became corrupted and it was impossible to restore it or achieve a functional fallback state for hybrid graphics on the AMD+Nvidia setup under GNOME Wayland. 

Returning to the stable repository driver (Nvidia 550) was the only way to successfully restore proper hybrid power management (allowing the Nvidia GPU to sleep when idle) and fix the external HDMI monitor detection.


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