[Fedora 30][radeon] GPU fault detected; ring 4 stalled
Distro: Fedora 30
Kernel version: 5.2.9-200.fc30.x86_64
GPU: MSI AMD Radeon R7 250
CPU: AMD Ryzen 5 1600
Motheboard: ASUS PRIME B350-PLUS
Memory: DDR4 Samsung M378A1K43BB2-CRC
Hello. While watching a video on YouTube (Firefox 67.0 browser), suddenly the image stopped, the whole UI of the system freezes.The sound continued to play.Then the monitor went out several times.After that, everything returned to normal.I managed to save a log (in attachments).