Re: [PATCH] Dynamic Tick version 050406-1

From: Tony Lindgren
Date: Fri Apr 08 2005 - 01:23:42 EST


* Alexander Nyberg <alexn@xxxxxxxxx> [050407 02:31]:
> > > > Here's an updated dyn-tick patch. Some minor fixes:
> > >
> > > Doesn't look so good here. I get this with 2.6.12-rc2 (plus a few other patches).
> > > Disabling Dynamic Tick makes everything happy again (it boots).
> > >
> > > [4294688.655000] Unable to handle kernel NULL pointer dereference at virtual address 00000000
> >
> > Thanks for trying it out. What kind of hardware do you have? Does it
> > have HPET? It looks like no suitable timer for dyn-tick is found...
> > Maybe the following patch helps?
>
>
> ===== arch/i386/kernel/Makefile 1.67 vs edited =====
> --- 1.67/arch/i386/kernel/Makefile 2005-01-26 06:21:13 +01:00
> +++ edited/arch/i386/kernel/Makefile 2005-04-07 11:21:19 +02:00
> @@ -32,6 +32,7 @@ obj-$(CONFIG_ACPI_SRAT) += srat.o
> obj-$(CONFIG_HPET_TIMER) += time_hpet.o
> obj-$(CONFIG_EFI) += efi.o efi_stub.o
> obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
> +obj-$(CONFIG_NO_IDLE_HZ) += dyn-tick.o
>
> EXTRA_AFLAGS := -traditional

Ah, that explains :) Thanks!

Tony
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