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Date:      Wed, 14 Apr 2010 16:39:37 +0300
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Akephalos <akephalos.akephalos@gmail.com>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: CPU problems after 8.0-STABLE update
Message-ID:  <4BC5C599.2000802@icyb.net.ua>
In-Reply-To: <20100414162800.76c6aeac.akephalos.akephalos@gmail.com>
References:  <q2v1468a0871004032332kd654e4c6s8fbb72ed16f73f0@mail.gmail.com>	<v2m3bbf2fe11004040928y3751bca5qfb2870c1fc03ad71@mail.gmail.com>	<h2i1468a0871004060450t59c81e76t947f8dbbe268b058@mail.gmail.com>	<y2q3bbf2fe11004060551i94582c86j211bf2baf96e6f14@mail.gmail.com>	<20100408042958.21d99cea.akephalos.akephalos@gmail.com>	<4BBD81B6.4000109@icyb.net.ua>	<20100408150436.f08ccbea.akephalos.akephalos@gmail.com>	<4BBDDB15.4080406@icyb.net.ua>	<20100408154422.071e0904.akephalos.akephalos@gmail.com>	<4BBDE420.2060003@icyb.net.ua>	<20100408162149.1a5bb8c7.akephalos.akephalos@gmail.com>	<4BBDF02C.4020909@icyb.net.ua>	<20100410072103.7a216222.akephalos.akephalos@gmail.com>	<4BC4DCF0.9010209@icyb.net.ua> <20100414162800.76c6aeac.akephalos.akephalos@gmail.com>

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on 14/04/2010 16:28 Akephalos said the following:
> On Wed, 14 Apr 2010 00:06:56 +0300 Andriy Gapon <avg@icyb.net.ua> wrote:
>> What is not obvious is why your RTC doesn't work as expected.  I have no
>> answer to that.
>> 
>> One thing that makes me suspicious is that HPET also doesn't seem to work on 
>> your system.  One very very wild guess is that IRQ8 might be actually driven
>> by HPET, not RTC.  And our programming of HPET or RTC or both messes things
>> up.
>> 
>> It would be interesting to see if disabling HPET (acpi_hpet) changes
>> anything: debug.acpi.disabled="hpet"
>> 
>> 
>> -- Andriy Gapon
> 
> Anytime. Please tell me what options and source version (date) should I use.
> I'm currently on the revision from 8 April an have machdep.lapic_allclocks set
> to 1.

I think that any version of source should be good, just set
machdep.lapic_allclocks to 0.


-- 
Andriy Gapon



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