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Date:      Mon, 21 Jun 2010 23:09:05 +0300
From:      Alexander Motin <mav@FreeBSD.org>
To:        Kostik Belousov <kostikbel@gmail.com>
Cc:        svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org
Subject:   Re: svn commit: r209371 - in head/sys: amd64/amd64 amd64/include conf dev/acpica i386/i386 i386/include isa kern pc98/cbus sys x86/isa x86/x86
Message-ID:  <4C1FC6E1.4080001@FreeBSD.org>
In-Reply-To: <4C1FC6C1.5060800@FreeBSD.org>
References:  <201006202133.o5KLXTG1023067@svn.freebsd.org> <20100621195838.GJ13238@deviant.kiev.zoral.com.ua> <4C1FC6C1.5060800@FreeBSD.org>

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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!
> 
>> 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'.

-- 
Alexander Motin



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