Hi,
After a recent kernel update, booting one of my machines causes it to
hang on a black screen. Pressing Lock keys on the USB keyboard does not
turn on the indicators, and the machine does not appear on the Ethernet
network. I don't have a serial port on this machine. I didn't try
netconsole, but I suspect it won't work.
Setting mem_encrypt=0 seems to resolve the issue. Reverting f5ff79fddf0e
("dma-mapping: remove CONFIG_DMA_REMAP") also appears to resolve the
issue.
The machine in question has an AMD Ryzen 5 1600 and ASRock B450 Pro4.
Cheers,
Alex.
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