Re: Scheduler broken? sdhci issues with scheduling

From: Simon Huggins
Date: Sun Apr 20 2008 - 17:38:54 EST


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@xxxxxxxx> 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.

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