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Date:      Tue, 10 May 2011 22:17:58 -0700
From:      Doug Barton <dougb@FreeBSD.org>
To:        freebsd-current@FreeBSD.org, Alexander Motin <mav@FreeBSD.org>
Subject:   Re: My problems with stability on -current
Message-ID:  <4DCA1C06.6040505@FreeBSD.org>
In-Reply-To: <4DC25396.1070909@dougbarton.us>
References:  <4DC25396.1070909@dougbarton.us>

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I had an interesting result doing nothing but switching from HPET to 
LAPIC ... no crash. Still on the same version of -current (r221566) the 
only thing I've done is to add kern.eventtimer.timer="LAPIC" to 
/boot/loader.conf, and so far I haven't been able to get it to crash no 
matter how much I compile, or how much other stuff I do in the 
background. I _can_ get the system heavily loaded enough so that the 
mouse can drag across the screen, windows take visible time to repaint, 
etc. That happens with a load average of 4+ on this core 2 duo. But 
other than that (which is not altogether unreasonable) the system has 
been very stable for a couple of days now.

Does that suggest a next step in terms of what to test?

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