🔷 **Issue Summary:**
While using Firefox under normal conditions, the system **freezes completely** at random times. The desktop environment becomes unresponsiv… (ďalšie informácie)
- 🔷 **Issue Summary:**
While using Firefox under normal conditions, the system **freezes completely** at random times. The desktop environment becomes unresponsive, requiring a hard reboot to recover. The issue typically occurs during heavier browsing sessions (e.g., video playback or graphics-heavy websites).
System logs (`dmesg` and `journalctl`) show **AMDGPU virtual memory protection faults**, indicating a GPU-related issue triggered during Firefox usage.
---
- 🔷 **Log Snippet:**
```text
amdgpu 0000:03:00.0: amdgpu: VM_L2_PROTECTION_FAULT_STATUS:0x00641051
Faulty UTCL2 client ID: TCP (0x8)
PERMISSION_FAULTS: 0x5
[gfxhub0] retry page fault (src_id:0 ring:0 vmid:6 pasid:32776, for process RDD Process pid XXXX thread firefox-bi:cs0 pid XXXX)
ring gfx_low timeout, but soft recovered
```
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- 🔷 **System Information:**
- **OS:** Linux Mint 22.1 x86\_64 (based on Ubuntu)
- **Kernel:** (e.g., `5.15.0-xxx-generic`) ← *replace with actual kernel version*
- **CPU:** AMD Ryzen 7 5700U with Radeon Graphics
- **GPU:** AMD ATI 03:00.0 Lucienne (integrated)
- **Firefox Version:** (e.g., 126.0) ← *replace with actual version*
---
- 🔷 **Steps to Reproduce:**
1. Open Firefox and browse modern websites (YouTube, media-rich content).
2. Use the browser for several minutes (random trigger).
3. Suddenly, the system UI becomes frozen and unusable.
4. Logs show AMDGPU VM fault and `gfx ring timeout`.
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- 🔷 **Expected Behavior:**
System should remain stable during normal browser usage, especially with an officially supported AMD APU.
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- 🔷 **Actual Behavior:**
GPU driver crashes causing total system freeze, likely triggered by hardware acceleration and memory permission faults inside the amdgpu driver stack.