Re: One-shot timer broken on Xen

Bruce Cran wrote:
> On Sat, 18 Sep 2010 19:42:45 +0300
> Alexander Motin <mav_at_FreeBSD.org> wrote:
>> Bruce Cran wrote:
>>> I built a new kernel from HEAD on my Xen domU today and found that
>>> it hung after the following messages:
>>>
>>> smist0: <SpeedStep SMI> on cpu0
>>> device_attach: smist0 attach returned 6
>>> Device configuration finished.
>>> procfs registered
>>> Timecounter "TSC" frequency 2000118476 Hz quality 800
>>> lapic: Divisor 2, Frequency 50001605 Hz
>>>
>>> Setting kern.eventtimer.periodic to 1 allows the system to boot.
>> This doesn't tells much. What event timers found by the system there
>> and what of them was used?
> 
> Sorry - here's the kern.eventtimer output:
> 
> kern.eventtimer.choice: LAPIC(400) i8254(100) RTC(0)
> kern.eventtimer.et.LAPIC.flags: 15
> kern.eventtimer.et.LAPIC.frequency: 50001856
> kern.eventtimer.et.LAPIC.quality: 400
> kern.eventtimer.et.i8254.flags: 1
> kern.eventtimer.et.i8254.frequency: 1193182
> kern.eventtimer.et.i8254.quality: 100
> kern.eventtimer.et.RTC.flags: 17
> kern.eventtimer.et.RTC.frequency: 32768
> kern.eventtimer.et.RTC.quality: 0
> kern.eventtimer.periodic: 1
> kern.eventtimer.timer: LAPIC
> kern.eventtimer.idletick: 0
> kern.eventtimer.singlemul: 4

While I have no idea what else could be wrong with one-shot mode there,
could you try to update to SVN r212958 to make sure it is not related?
That problem should not stop boot completely, but it could delay it for
some time.

-- 
Alexander Motin