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    SubjectRe: 2.6.25-rc1 ahci regression
    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






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