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    From
    SubjectRe: 2.6.20-rc6-mm3
    Date
    Am Dienstag, 30. Januar 2007 23:27 schrieb Andrew Morton:
    > On Tue, 30 Jan 2007 23:18:42 +0100
    > Maciej Rutecki <maciej.rutecki@gmail.com> wrote:
    <...>
    > > I have two problems. First suspend to disk.
    > >
    > > After suspend to disk (before resume) I check time in bios, and it's
    > > correct, but during resume, I have this message:
    > >
    > > "Suspending console(s)"
    > >
    > > system wait 20 seconds (or more) until finish resume. Also system clock
    > > was slow about this 20 seconds.
    >
    > OK, thanks. That might be due to the time-management updates as well.
    > I'll see if I can reproduce this.
    >
    > If you're keen, you could test just 2.6.19-rc6+origin.patch+git-acpi.patch
    > from
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.20-rc6/2.6.20-rc6-mm3/broken-out
    > and see which of these problems remain.

    Similar weirdness here on rc6-mm2 and rc6-rt*:
    resume from disk waits unduly long.
    I played with bios clock setting after I wondered why susp/res
    wouldn't work overnight:
    the longer the (faked/real) suspend to disk time,
    the longer the (not seen on 2.6.18-rt) waiting past the incrementing
    % display, before things are running again.
    After turning time backwards in bios, console mouse handler gpm experiences
    "interrupted system call".


    Some waiting times from rc6-rt6 from memory:

    Config | HZ | NO_HZ + HRESTIMERS
    cmos clock unchanged | 2s | 6s
    cmos clock += 10min | | 2 minutes
    cmos clock += 2 month | 20s | > 4minutes, test interrupted


    Karsten
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