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Date:      Mon, 21 Jun 2010 23:08:33 +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:  <4C1FC6C1.5060800@FreeBSD.org>
In-Reply-To: <20100621195838.GJ13238@deviant.kiev.zoral.com.ua>
References:  <201006202133.o5KLXTG1023067@svn.freebsd.org> <20100621195838.GJ13238@deviant.kiev.zoral.com.ua>

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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.

-- 
Alexander Motin



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