Sep 25, 2019 · In the advanced settings section, you can quickly add, remove, enable/disable and edit values for various boot loader settings such as GRUB_DEFAULT, GRUB_TIMEOUT, GRUB_MENU_PICTURE and a few more. Again, I warn you - do not edit or modify GRUB2 settings in production systems.
After a few hours googling and experimenting, I have added 'amd_iommu=on iommu=pt' to the kernel boot line and have not seen the issue. The 'amd_iommu=on' may be irrelevant since adding that alone did not have an impact. System: Kernel: 5.7.12-zen1-1-zen x86_64 bits: 64 compiler: gcc v: 10.1.0 Desktop: KDE Plasma 5.19.4 Distro: Arch Linux