Hello, Can you confirm to me that if I have only one periodic timer on my motherboard I can only have one qemu-instance running using hpet?
Thanks. François. Le mardi 21 août 2007 à 21:40 +0200, Luca a écrit : > On 8/21/07, Matthew Kent <[EMAIL PROTECTED]> wrote: > > On Sat, 2007-18-08 at 01:11 +0200, Luca Tettamanti wrote: > > > plain text document attachment (clock-hpet) > > > Linux operates the HPET timer in legacy replacement mode, which means that > > > the periodic interrupt of the CMOS RTC is not delivered (qemu won't be > > > able > > > to use /dev/rtc). Add support for HPET (/dev/hpet) as a replacement for > > > the > > > RTC; the periodic interrupt is delivered via SIGIO and is handled in the > > > same way as the RTC timer. > > > > > > Signed-off-by: Luca Tettamanti <[EMAIL PROTECTED]> > > > > I must be missing something silly here.. should I be able to open more > > than one instance of qemu with -clock hpet? Because upon invoking a > > second instance of qemu HPET_IE_ON fails. > > It depends on your hardware. Theoretically it's possible, but I've yet > to see a motherboard with more than one periodic timer. > > "dmesg | grep hpet" should tell you something like: > > hpet0: 3 64-bit timers, 14318180 Hz > > Luca > > >