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From: Simon Huggins <huggie@earth.li>
To: Pierre Ossman <drzeus-list@drzeus.cx>
Cc: Pavel Machek <pavel@ucw.cz>, linux-kernel@vger.kernel.org
Subject: Re: Scheduler broken? sdhci issues with scheduling
Date: Sun, 20 Apr 2008 22:07:39 +0100	[thread overview]
Message-ID: <20080420210738.GK28693@paranoidfreak.co.uk> (raw)
In-Reply-To: <20080315160428.6d25b4e0@mjolnir.drzeus.cx>

Hi Pierre,

On Sat, Mar 15, 2008 at 04:04:28PM +0100, Pierre Ossman wrote:
> On Thu, 13 Mar 2008 21:17:49 +0000
> Simon Huggins <huggie@earth.li> wrote:
> > I'm happy to test bits.  What do I need to do to switch time sources for
> > instance?
> I'm no expert, but you have the kernel parameter "clocksource" documented in Documentation/kernel-parameters. Also check the directory /sys/devices/system/clocksource for assorted runtime changes.

Sorry it took so long.

I'm defaulting to hpet but if I try changing clocksource to tsc, jiffies
or acpi_pm with any of the patches at runtime or rebooting it seems to
make no difference and sdhci doesn't work as before.

I tried 2.6.25 too and it's the same story.

I guess I'll just keep HZ=1000.

-- 
 ,--huggie-at-earth-dot-li--------stuff-thing-stuff----------DF5CE2B4--.
_|   "An excellent suggestion sir, with only two minor flaws...." -    |_
 |                               Kryten                                |
 `-------------------- http://www.earth.li/~huggie/ -------------------'

      reply	other threads:[~2008-04-20 21:38 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-29 11:52 Scheduler broken? sdhci issues with scheduling Simon Huggins
2008-02-29 13:34 ` Ingo Molnar
2008-02-29 13:51   ` Ingo Molnar
2008-02-29 14:00     ` Ingo Molnar
2008-02-29 19:39   ` Simon Huggins
2008-02-29 20:39     ` Ingo Molnar
2008-03-01 12:42       ` Simon Huggins
2008-03-01 14:08         ` Pierre Ossman
2008-03-02 10:40 ` Pavel Machek
2008-03-02 18:04   ` Simon Huggins
2008-03-03 19:43   ` Pierre Ossman
2008-03-03 20:38     ` Pavel Machek
2008-03-03 21:05       ` Pierre Ossman
2008-03-13 21:17         ` Simon Huggins
2008-03-15 15:04           ` Pierre Ossman
2008-04-20 21:07             ` Simon Huggins [this message]

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