PassMark Software on Twitter: "New class of RAM test coming to #MemTest86. We found some RAM errors only occur during DMA transfers (Direct Memory Access) and not via interaction with the CPU.
MemTest86 - Official Site of the x86 and ARM Memory Testing Tool
memory - Is this memtest86 error definitely faulty RAM? - Super User
Test RAM With Memtest86+ | Sysnative Forums
Errors in test 6 or 9 after cold boot (ie. memory training) - PassMark Support Forums