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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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