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    SubjectRe: 2.6.25-rc5: Reported regressions from 2.6.24
    Date
    On Tuesday, 11 of March 2008, Jeff Garzik wrote:
    > Linus Torvalds wrote:
    > > On Mon, 10 Mar 2008, Jeff Garzik wrote:
    > >>> Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=10123
    > >>> Subject : No power-off / reboot with 2.6.25-rcX (up to -rc3)
    >
    > >> FWIW, I have this same problem.
    >
    > > Jeff, does that one ("keep rd->online and cpu_online_map in sync") fix the
    > > problem for you?
    >
    > Nope. I am running baadac8b10c5ac15ce3d26b68fa266c8889b163f now, and it
    > still hangs on reboot or power-off.
    >
    > Interestingly, if I reboot -immediately- from gdm, it succeeds. However
    > if I login to Fedora GNOME via gdm, and load my standard apps (1001
    > terminals, firefox, tbird, IRC) reboot and poweroff no longer work.
    >
    > My guess was always some ACPI regression. I'll bisect today or
    > tomorrow. It is reproducible regression that appeared recently (circa
    > 2.6.24 or 2.6.25-rc1 I think), so I should be able to find the culprit.

    In http://bugzilla.kernel.org/show_bug.cgi?id=10123 Guennadi says that
    reverting

    commit fd7d1ced29e5beb88c9068801da7a362606d8273
    Author: Greg Kroah-Hartman <gregkh@suse.de>
    Date: Tue May 22 22:47:54 2007 -0400

    PCI: make pci_bus a struct device

    fixes the problem for him (this seems to be yet another reboot/poweroff IOW).

    Thanks,
    Rafael


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