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Date: Tue, 14 Nov 2006 18:30:54 +0100 From: Andreas Mohr <andi@...x01.fht-esslingen.de> To: "Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com> Cc: Len Brown <lenb@...nel.org>, Ingo Molnar <mingo@...e.hu>, Andreas Mohr <andi@...x01.fht-esslingen.de>, Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org, "Van De Ven, Arjan" <arjan.van.de.ven@...el.com> Subject: Re: CONFIG_NO_HZ: missed ticks, stall (keyb IRQ required) [2.6.18-rc4-mm1] Hi, On Tue, Nov 14, 2006 at 09:21:02AM -0800, Pallipadi, Venkatesh wrote: > >I belive that Venki has looked at some of the HPET enumeration issues, > >and maybe he has some suggestions. Is there an example system > >on-hand where we know Windows works and Linux does not? > > > > There are two things that can be happening when OS does not see HPET in > ACPI. > - BIOS did enable HPET in chipset and did not communicate it to OS. > - BIOS did nothing to enable HPET in chipset. I'm sure you've already seen http://semthex.freeflux.net/blog/archive/2006/10/21/hpet-to-be-or-not-to-be.html ... or not? Hmm, hopefully it's easy to research where to enable HPET (if there is one at all!) on an el-cheapo VIA chipset... Many thanks for your patch! (even though currently Intel-only) Andreas Mohr - 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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