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    SubjectRe: [patch] smbus unhiding kills thermal management
    Zwane Mwaikambo wrote:
    > On Fri, 12 May 2006, Carl-Daniel Hailfinger wrote:
    >> Pavel Machek wrote:
    >>> Do not enable the SMBus device on Asus boards if suspend
    >>> is used. We do not reenable the device on resume, leading to all sorts
    >>> of undesirable effects, the worst being a total fan failure after
    >>> resume on Samsung P35 laptop.
    >>> Signed-off-by: Carl-Daniel Hailfinger <>
    >>> Signed-off-by: Pavel Machek <>
    >> This is probably also -stable material.
    > Isn't it inevitable that we're going to have to rerun quirks on resume on
    > some hardware?

    Yes, but until we have a proper infrastructure for that, we have to
    disable the smbus unhiding as a safe fix.

    If you have the time to whip up a patch to add a sane quirks-on-resume
    infrastructure, I'd be grateful. See the thread
    "[RFC] [PATCH] Execute PCI quirks on resume from suspend-to-RAM" for
    some ugly proof-of-concept.
    My main motivation was to prevent bricking my laptop. Added functionality
    is desirable, but secondary.

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