Hi, I have Unraid on the following spec. I don't recall having issues on previous unraid versions. For the sake of experiment fresh copy of unraid was written to a separate usb and basically nothing was configured. Just booted, logged in and rebooted. It simply hangs until shutoff by hardware button.
i5-6600
MSI Z170M MORTAR
16GB of DDR4 RAM (MEMTEST PASSED OK)
Saphire R9 270 2GB
6x SATA Port PCIe card: ASMedia Technology Inc. ASM1166 Serial ATA Controller [1b21:1166]
Some ACPI errors
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT5._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT5._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT2._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT2._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT0._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT0._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT1._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT1._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT3._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT3._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
Jun 5 13:09:04 Tower kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCI0.SAT0.PRT1._GTF.DSSP], AE_NOT_FOUND (20220331/psargs-330)
Jun 5 13:09:04 Tower kernel: ACPI Error: Aborting method \_SB.PCI0.SAT0.PRT1._GTF due to previous error (AE_NOT_FOUND) (20220331/psparse-529)
But this seems like a kernel bug that is the root cause.