CAM Status SCSI Status Error usb / cd / AMT
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 Problem is driving me up the wall; at this point it seems to be mostly hardware related. I've tried USB DVD-ROM, USB Memory Stick, and even Intel AMT IDE-Redirection Virtual CD (slow). At some point during boot of the install media (the CD Rom got further than the memory stick, one time anyway), I get SCSI errors. I tried set kern.cam.boot_delay="10000" and I don't think it helped much. What's weird about this computer, it also gave me a hard time when installing Windows 10 to run some diagnostics. It wouldn't boot unless I used a non-UEFI USB Stick. Probably unrelated. I don't have this issue on other hardware (my main desktop has no issue launching pfsense installer). Even more strange, I was successful 1 time at installing pfsense, a few days ago, and suddenly I can't anymore. aprobe0:ata2:0:0:0 
 CAM Status: Command Timeout
 Retrying Command
 run_interrupt_driven_hooks: still waiting after 120 seconds for xpt_config
 Error 5 Retries Exhausted
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 I can confirmed this also happens with FreeNAS USB installers.