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Date: Fri, 24 Aug 2007 22:18:47 +0200
From: Luca <kronos.it@gmail.com>
Subject: Re: [kvm-devel] [Qemu-devel] [PATCH 3/4] Add support for HPET
	periodic timer.
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To: Dan Kenigsberg <danken@qumranet.com>
Cc: kvm-devel@lists.sf.net, qemu-devel@nongnu.org, Andi Kleen <ak@suse.de>

On 8/23/07, Dan Kenigsberg <danken@qumranet.com> wrote:
> On Thu, Aug 23, 2007 at 12:09:47AM +0200, Andi Kleen wrote:
> > > $ dmesg |grep -i hpet
> > > ACPI: HPET 7D5B6AE0, 0038 (r1 A M I  OEMHPET   5000708 MSFT       97)
> > > ACPI: HPET id: 0x8086a301 base: 0xfed00000
> > > hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0
> > > hpet0: 4 64-bit timers, 14318180 Hz
> > > hpet_resources: 0xfed00000 is busy
> >
> > What kernel version was that? There was a bug that caused this pre .22
> >
>
> I have vanilla 2.6.22.3 on that machine.

Try:
cat /sys/devices/system/clocksource/clocksource0/available_clocksource

do you see HPET listed twice?

Luca