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    SubjectRE: Time Problems with 2.6.23-rc1-gf695baf2
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    >-----Original Message-----
    >From: Eric Sesterhenn / Snakebyte [mailto:snakebyte@gmx.de]
    >Sent: Tuesday, July 31, 2007 7:55 AM
    >To: Michal Piotrowski
    >Cc: Eric Sesterhenn / Snakebyte; Len Brown;
    >linux-kernel@vger.kernel.org; IDE/ATA development list;
    >Bartlomiej Zolnierkiewicz; linux-acpi@vger.kernel.org; Ingo
    >Molnar; Thomas Gleixner; Pallipadi, Venkatesh
    >Subject: Re: Time Problems with 2.6.23-rc1-gf695baf2
    >
    >* Michal Piotrowski (michal.k.k.piotrowski@gmail.com) wrote:
    >> Hi Eric,
    >>
    >> On 26/07/07, Eric Sesterhenn / Snakebyte <snakebyte@gmx.de> wrote:
    >> > * Len Brown (lenb@kernel.org) wrote:
    >> > > > > > > [ 13.506890] ACPI Exception
    >(processor_throttling-0084): AE_NOT_FOUND, Evaluating _PTC [20070126]
    >> > > > > > > [ 13.507101] ACPI Exception
    >(processor_throttling-0147): AE_NOT_FOUND, Evaluating _TSS [20070126]
    >> > >
    >> > > Note that these are just noise -- new code being verbose
    >when looking for an optional feature.
    >> > >
    >> > > The fact that hitting the power button a bunch of times
    >> > > to make the system move along suggests some sort of
    >missing interrupt problem --
    >> > > most likely the timer itself.
    >> > >
    >> > > [ 13.868574] Probing IDE interface ide0...
    >> > > [ 387.279576] Clocksource tsc unstable (delta = 370195339890 ns)
    >> > >
    >> > > 5-minutes -- a long probe:-)
    >> > >
    >> > > > CONFIG_NO_HZ=y
    >> > >
    >> > > does CONFIG_NO_HZ=n make a difference?
    >> >
    >> > [ 41.007654] EXT3 FS on hda1, internal journal
    >> > [ 322.133656] Clocksource tsc unstable (delta = 276476174785 ns)
    >> > Boot went fine but the system got pretty unresponsive
    >later, 2-3 seconds
    >> > delay after keypresses on an idle system and a hang during
    >shutdown which i had to resolve by
    >> > pressing the power button (not to switch it of the hard
    >way, but to keep it rebooting)
    >> >
    >> > > > CONFIG_HIGH_RES_TIMERS=y
    >> > >
    >> > > does CONFIG_HIGH_RES_TIMERS=n make a difference?
    >> >
    >> > doesnt change anything
    >> >
    >> > > does "irqpoll" make any difference?
    >> > > does "notsc" make any difference?
    >> > > does "idle=poll" make any difference?
    >> >
    >> > I tried these with the HIGH_RES_TIMERS=n, irqpoll and
    >notsc dont change
    >> > a thing, idle=poll makes it boot normally
    >>
    >> Please use git-bisect
    >>
    >> git-bisect start
    >> git-bisect bad
    >> git-bisect good 7dcca30a32aadb0520417521b0c44f42d09fe05c
    >
    >
    >took some time, but i got a scape goat, added venkatesh to the CC list,
    >

    Eric,

    This means things should work fine with processor.max_cstate=2 boot
    option
    as well. Can you please double check that.

    Also, please send in the acpidump from your system.

    Thanks,
    Venki
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