On Mon, Jun 21, 2010 at 11:09:05PM +0300, Alexander Motin wrote: > Alexander Motin wrote: > > Kostik Belousov wrote: > >> On Sun, Jun 20, 2010 at 09:33:29PM +0000, Alexander Motin wrote: > >>> Author: mav > >>> Date: Sun Jun 20 21:33:29 2010 > >>> New Revision: 209371 > >>> URL: http://svn.freebsd.org/changeset/base/209371 > >>> > >>> Log: > >>> Implement new event timers infrastructure. It provides unified APIs for > >>> writing event timer drivers, for choosing best possible drivers by > >>> machine > >>> independent code and for operating them to supply kernel with > >>> hardclock(), > >>> statclock() and profclock() events in unified fashion on various > >>> hardware. > >> This broke QEMU for me. I cannot boot FreeBSD guest under QEMU anymore. > >> QEMU (not FreeBSD kernel) panics with > >> qemu: level-triggered hpet not supported > >> message. > > > > According to specification, it is not optional. No more cookies! Is there a way to disable hpet at all ? It would be fine with me. Does hint below supposed to do this ?
> > > >> Setting kern.eventtimer.timer1 to LAPIC or i8254, and timer2 to NONE > >> does not help. > > > > Try `hint.apic.0.clock=0` and send me verbose dmesg, I'll try to make > > workaround if possible. > > Sorry, 'hint.hpet.0.clock=0'. > Setting the hint results in panic: lock (time lock) sleep mutex does not match earlier (spin mutex) lock, with the backtrace enroll() witness_init() lock_init() mtx_init() initclocks() mi_startup() (transribed by hand).
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