2006-11-21 12:39:53

by Renato S. Yamane

Subject: [ahci] Failed with error -12

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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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2006-11-21 18:28:50

by Jeff Garzik

Subject: Re: [ahci] Failed with error -12

Renato S. Yamane wrote:
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> 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