2007-05-01 04:33:53

by Daniel Walker

[permalink] [raw]
Subject: Re: [BUG] 2.6.21: Kernel won't boot with either/both of CONFIG_NO_HZ, CONFIG_HIGH_RES_TIMERS

On Mon, 2007-04-30 at 23:33 -0400, Mark Lord wrote:
> Daniel Walker wrote:
> >
> > I'm interested in which clocksource is getting used, which is in the
> > boot log.
>
> Well then, send me a patch that dumps that information out just before it locks up.
> We know (first post in this thread) that the lockup occurs just after
> these two messages:
>
> "switched to high resolution mode on cpu 1"
> "switched to high resolution mode on cpu 0"
>
> So just dump out anything else you need to see at the same time,
> and it'll still be on my screen when the darned thing locks up.
>
> Simple, eh. We both get to run around a treadmill this way. ;)

I guess I could make due with the successful boot (less running for us
both).. It's using the hpet clocksource .. You could try adding
clocksource=acpi_pm to the boot args , in the off chance it's an hpet
clock issue.

Daniel