> Error -16 is EBUSY, which causes the driver load to fail due to the 
quoted text
> "Unable to reserve mem region" message.
> 
> This means that the sata_nv driver needed to use PCI BAR 6, but was 
> unable to for some reason.  Given that sata_nv uses devres like other 
> libata drivers, IMO the likely cause is outside the ATA subsystem (PCI? 
> ACPI?).

Actually it looks to me like there is something very odd going on here.
The sata_nv code checks each of the 6 resources exists (wrongly - it does
it before pcim_enable_device so the check is probably not valid). That
would report -ENODEV.

EBUSY implies all 6 resources were assigned but one couldn't be mapped.
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