linux-kernel - Re: Time Problems with 2.6.23-rc1-gf695baf2

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Date:	Mon, 30 Jul 2007 16:32:20 +0200
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Eric Sesterhenn / Snakebyte" <snakebyte@....de>
Cc:	"Len Brown" <lenb@...nel.org>, linux-kernel@...r.kernel.org,
	"IDE/ATA development list" <linux-ide@...r.kernel.org>,
	"Bartlomiej Zolnierkiewicz" <bzolnier@...il.com>,
	linux-acpi@...r.kernel.org, "Ingo Molnar" <mingo@...e.hu>,
	"Thomas Gleixner" <tglx@...utronix.de>
Subject: Re: Time Problems with 2.6.23-rc1-gf695baf2

Hi Eric,

On 26/07/07, Eric Sesterhenn / Snakebyte <snakebyte@....de> wrote:
> * Len Brown (lenb@...nel.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

>
>
> Greetings, Eric
>

Regards,
Michal

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