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    SubjectRe: CONFIG_PM_TRACE corrupts RTC
    On Mon, 26 Jun 2006 08:52:57 -0700 (PDT)
    Linus Torvalds <torvalds@osdl.org> wrote:

    > On Sun, 25 Jun 2006, Andrew Morton wrote:
    > >
    > > On a Sony Vaio, after a suspend-to-disk and a resume, `hwclock' says
    > >
    > > The Hardware Clock registers contain values that are either invalid
    > > (e.g. 50th day of month) or beyond the range we can handle (e.g. Year
    > > 2095).
    > >
    > > and after a reboot the machine takes a trip back to 1969. Setting
    > > CONFIG_PM_TRACE=n prevents this.
    >
    > That's how it works. It's by design. The RTC is where the trace events are
    > stored, since that's the only piece of hw that reliably survives a reboot.

    Oh, I thought it found some spare space in there somehow.

    Making it `default y' was a bit unfriendly. How's about `default n' and
    `depends on EMBEDDED'?
    -
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