[ahci] Failed with error -12

[ahci] Failed with error -12

[Renato S. Yamane]

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I receive this error message on boot with Kernel 2.6.18.3

relevant (I think) dmesg output:
=======
ahci 0000:00:1f.2: version 2.0
ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
ACPI: PCI Interrupt 0000:00:1f.2[B] -> Link [LNKD] -> GSI 11 (level,
low) -> IRQ 11
ahci: probe of 0000:00:1f.2 failed with error -12
ata_piix 0000:00:1f.2: version 2.00
ata_piix 0000:00:1f.2: MAP [ P0 P2 IDE IDE ]
ACPI: PCI Interrupt 0000:00:1f.2[B] -> Link [LNKD] -> GSI 11 (level,
low) -> IRQ 11
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ata1: SATA max UDMA/133 cmd 0x1F0 ctl 0x3F6 bmdma 0x1100 irq 14
scsi0 : ata_piix
========

# hwinfo --disk
23: IDE 00.0: 10600 Disk
  [Created at block.191]
  UDI: /org/freedesktop/Hal/devices/storage_serial_75QW2718S
  Unique ID: mE25.WkVGlyavV53
  Parent ID: w7Y8.owfwZLxeTg6
  SysFS ID: /block/sda
  SysFS BusID: 0:0:0:0
  SysFS Device Link:
/devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0
  Hardware Class: disk
  Model: "TOSHIBA MK1032GA"
  Vendor: "TOSHIBA"
  Device: "MK1032GA"
  Revision: "AB21"
  Serial ID: "75QW2718S"
  Driver: "ata_piix", "sd"
  Device File: /dev/sda
  Device Files: /dev/sda,
/dev/disk/by-id/scsi-SATA_TOSHIBA_MK1032G_75QW2718S
  Device Number: block 8:0-8:15
  BIOS id: 0x80
  Geometry (Logical): CHS 12161/255/63
  Size: 195371568 sectors a 512 bytes
  Config Status: cfg=no, avail=yes, need=no, active=unknown
  Attached to: #16 (IDE interface)

Best regards,
- --
Renato S. Yamane
Fingerprint: 68AE A381 938A F4B9 8A23  D11A E351 5030 D420 515A
PGP Server: http://pgp.mit.edu/ --> KeyID: 0xD420515A
<http://www.renatoyamane.com>
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Re: [ahci] Failed with error -12

[Jeff Garzik]

Renato S. Yamane wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> 
> I receive this error message on boot with Kernel 2.6.18.3
> 
> relevant (I think) dmesg output:
> =======
> ahci 0000:00:1f.2: version 2.0
> ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 11
> ACPI: PCI Interrupt 0000:00:1f.2[B] -> Link [LNKD] -> GSI 11 (level,
> low) -> IRQ 11
> ahci: probe of 0000:00:1f.2 failed with error -12

"-12" is ENOMEM, which means it failed to map an MMIO resource.

Either (a) you should turn on AHCI (or RAID) in BIOS, or (b) you should 
not even try to load ahci driver.

	Jeff