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    SubjectRe: 2.6.25-rc1 ahci regression
    On Thu, Jun 03, 2010 at 11:48:08PM +0800, Luming Yu wrote:
    >On Thu, Jun 3, 2010 at 11:45 PM, Américo Wang <xiyou.wangcong@gmail.com> wrote:
    >> On Thu, Jun 03, 2010 at 07:04:22PM +0400, Anton Vorontsov wrote:
    >>>On Thu, Jun 03, 2010 at 10:13:57PM +0800, Luming Yu wrote:
    >>>> On Thu, Jun 3, 2010 at 9:50 PM, Anton Vorontsov <cbouatmailru@gmail.com> wrote:
    >>>> > On Thu, Jun 03, 2010 at 05:23:19PM +0400, Anton Vorontsov wrote:
    >>>> > [...]
    >>>> >> Oh. It seems I found it. It must be the module order loading
    >>>> >> thing.
    >>>> >>
    >>>> >> Can you try the patch down below?
    >>>> >
    >>>> > OTOH... libahci is a link-time dependency. And the order doesn't
    >>>> > matter here. So you should just have the libahci module in
    >>>> > the initrd (actually, mkinitrd or whatever you use should
    >>>> > have included this automatically).
    >>>> >
    >>>>
    >>>> Neither ahci nor libachi is automatically included in initrd..
    >>>
    >>>What commands you use to build the kernel and initrd?
    >>>
    >>>> Manually added ahci and libachi into initrd seems to make the problem go away..
    >>>> Any idea why that could happen?
    >>>
    >>>No idea off hand.
    >>>
    >>>Cc'ing Kbuild folks. Question is: is there something wrong with
    >>>writing stuff like this:
    >>>obj-$(CONFIG_SATA_AHCI)         += ahci.o libahci.o
    >>>obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
    >>>as in drivers/ata/Makefile?
    >>>
    >>>It seem to link fine, .ko's are created. But for some reason
    >>>initrd doesn't include these modules for Luming...
    >>>
    >>
    >> Odd.
    >> Are these modules exported to /lib/modules/`uname -r`/ directory?
    >
    >mkinitrd ... --with=ahic --with=libahci works for me
    >
    >>
    >> And, Luming, are you using Dracut?
    >>
    >yes, I have dracut installed

    Hmm, this looks like a problem of dracut than kbuild...
    I don't know why mkinitrd/dracut missed ahci here.
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