ACPI Power-Related Issue Causing Abrupt System Hang and Forced Shutdown on Lenovo Legion 5 (15ARH05)

[infinity (Hemant Rawat)]

System Information:

• Laptop Model: Lenovo Legion 5 (15ARH05)
• Processor: AMD Ryzen™ 5 4600H with Radeon™ Graphics × 12
• Graphics: AMD Radeon™ Graphics & NVIDIA GeForce GTX 1650
• Memory: 16.0 GiB
• Disk Capacity: 1.3 TB
• OS: Fedora Linux 41 (Workstation Edition)
• Kernel Version: Linux 6.12.7-200.fc41.x86_64
• Firmware Version: EUCN37WW
• Windowing System: X11
  Issue Description: I am experiencing frequent and unpredictable system hangs that require a forced shutdown. The issue appears to be ACPI-related based on logs. These incidents disrupt system stability and productivity.

---

Steps to Reproduce:

1. Boot the system using Fedora 41.
2. Perform regular tasks, such as browsing, coding, or video playback.
3. The system occasionally hangs abruptly, requiring a forced shutdown.

** Observation Logs**

ACPI: Reserving SSDT table memory at [mem 0xcdfc7000-0xcdfc705b]
ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1])
…

Troubleshooting Attempts:

• Updating kernel to the latest available version.
• Ensuring all firmware updates are applied (EUCN37WW).
• Booting with different kernel parameters, including disabling nouveau drivers.

secureboot: Secure boot disabled

[grid]

[infinity (Hemant Rawat)]