(In reply to Nikolai Nikolaevskii from comment #98) > ILL OP solved his problem by changing motherboard from Gigabyte B450 Aorus > Elite to Asus PRIME B450-PLUS. > Mine Asus X570 + Picasso AMD Ryzen 3200G suspends to RAM OK. > > Possible reasons: > 1. EFI firmware. > 2. Problems with LED subsystem. The ASUSTeK model: PRIME B450-PLUS suspends/resumes flawlessly since moving from Gigabyte B450 Aorus. Spurious crashes of GPU with IO_PAGE_FAULTs observed.