Solved CAM: command timeout during sysinstall on a MBP

I'm trying to install 12.0-RELEASE on a late 2013 macbook pro, however I'm having this CAM error message during sysinstall, promptly at the moment it decompresses the base system on the ufs volume/partition:

IMG_5458.jpg


Tried googling the error message, but results mostly point at bad ATA/SATA cables or about-to-die disks, which doesn't seem to be my case. Is there some extra step I'm missing or something?

EDIT: Apparently, disabling MSI before booting solves it:
set hint.ahci.0.msi=0
set hint.ahci.1.msi=0
 
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