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Re: [kvm-devel] [Qemu-devel] [PATCH 3/4] Add support for HPET periodic t


From: Dan Kenigsberg
Subject: Re: [kvm-devel] [Qemu-devel] [PATCH 3/4] Add support for HPET periodic timer.
Date: Sat, 25 Aug 2007 11:24:03 +0300
User-agent: Mutt/1.5.14 (2007-02-12)

On Fri, Aug 24, 2007 at 10:18:47PM +0200, Luca wrote:
> On 8/23/07, Dan Kenigsberg <address@hidden> 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?
> 
No, only once. Is that wrong?

# cat /sys/devices/system/clocksource/clocksource0/available_clocksource
hpet acpi_pm jiffies tsc 

# cat /sys/devices/system/clocksource/clocksource0/current_clocksource 
tsc 

Dan.




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