Re: 2.6.25-rc1 ahci regression

[Jeff Garzik <jeff@garzik.org>]

On 06/03/2010 03:28 AM, Luming Yu wrote:
> On Thu, Jun 3, 2010 at 3:13 PM, Jeff Garzik<jeff@garzik.org>  wrote:
>> On 06/03/2010 03:02 AM, Luming Yu wrote:
>>>
>>> Hi there,
>>>
>>> I happened to notice that the commit 365cfa1ed5 caused the following
>>> boot error with 2.6.25-rc1
>>> on a system with ICH10 SATA AHCI controller. It's weird if there is
>>> really no function changes in the patch.
>>>
>>> Any ideas?
>>>
>>>
>>> dracut: Starting plymouth daemon
>>> pata_jmicron 0000:0f:00.0: PCI INT A ->    GSI 16 (level, low) ->    IRQ 16
>>> scsi0 : pata_jmicron
>>> Initializing USB Mass Storage driver...
>>> scsi1 : usb-storage 1-5:1.0
>>> scsi2 : pata_jmicron
>>> ata1: PATA max UDMA/100 cmd 0xd040 ctl 0xd030 bmdma 0xd000 irq 16
>>> ata2: PATA max UDMA/100 cmd 0xd020 ctl 0xd010 bmdma 0xd008 irq 16
>>> usbcore: registered new interface driver usb-storage
>>> USB Mass Storage support registered.
>>> scsi 1:0:0:0: CD-ROM            PepperC  Virtual Disc 1   0.01 PQ: 0 ANSI:
>>> 3
>>> sr0: scsi-1 drive
>>
>> Your output here does not indicate a boot error, so to what do you refer?
> sr0: scsi-1 drive
> Uniform CD-ROM driver Revision: 3.20
>
> Boot has failed, sleeping forever.

Your output does not show the driver even printing out version info. 
Therefore I conclude that you are not loading the driver at all...

You need to load both libahci and ahci modules.

	Jeff