Matthew Hall wrote:
ACPI: PCI Interrupt Link [LT3D] enabled at IRQ 46 ACPI: PCI Interrupt 0000:80:07.0[A] -> Link [LT3D] -> GSI 46 (level, low) -> IRQ 46 sata_nv 0000:80:07.0: Using ADMA mode PCI: Unable to reserve mem region #6:1000@dfefe000 for device 0000:80:07.0 ACPI: PCI interrupt for device 0000:80:07.0 disabled sata_nv: probe of 0000:80:07.0 failed with error -16 ACPI: PCI Interrupt Link [LT2E] enabled at IRQ 45 ACPI: PCI Interrupt 0000:80:08.0[A] -> Link [LT2E] -> GSI 45 (level, low) -> IRQ 45 sata_nv 0000:80:08.0: Using ADMA mode PCI: Unable to reserve mem region #6:1000@dfefd000 for device 0000:80:08.0 ACPI: PCI interrupt for device 0000:80:08.0 disabled sata_nv: probe of 0000:80:08.0 failed with error -16
Error -16 is EBUSY, which causes the driver load to fail due to the "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?).
One workaround to try is setting sata_nv module option 'adma' to zero (0), in the hopes that it ignores that final region and work anyway.
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