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    SubjectRe: CONFIG_PM_TRACE corrupts RTC
    On Mon 2006-06-26 09:30:49, Linus Torvalds wrote:
    >
    >
    > On Mon, 26 Jun 2006, Andrew Morton wrote:
    > >
    > > Oh, I thought it found some spare space in there somehow.
    >
    > I really tried. The fact is, the RTC chips have at least 114 bytes of
    > NVRAM available in them, and most have more. Sadly, while from a hw
    > standpoint it's non-volatile, the firmware I was testing with cleared it
    > all (including the extended banks etc).
    >
    > > Making it `default y' was a bit unfriendly. How's about `default n' and
    > > `depends on EMBEDDED'?
    >
    > We can certainly make it 'default n', and perhaps hide it behind
    > EXPERIMENTAL (it's not really, but hey..). Not EMBEDDED, though, this is
    > literally meant to help random people who have a dead machine on suspend
    > be able to just turn this on, test suspend, and then when suspend causes a
    > dead machine, just turn off power and reboot immediately again, and it
    > will tell you which device was the last one to go through the resume
    > cycle.

    This should probably be hidden in kernel debugging submenu... or
    perhaps even out of the config system. It is only useful if you hack
    the .c code, anyway, no?
    Pavel
    --
    (english) http://www.livejournal.com/~pavelmachek
    (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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