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Message-ID: <20080420210738.GK28693@paranoidfreak.co.uk> Date: Sun, 20 Apr 2008 22:07:39 +0100 From: Simon Huggins <huggie@...th.li> To: Pierre Ossman <drzeus-list@...eus.cx> Cc: Pavel Machek <pavel@....cz>, linux-kernel@...r.kernel.org Subject: Re: Scheduler broken? sdhci issues with scheduling 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@...th.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/ -------------------' -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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