Date: Fri, 29 Oct 2010 16:55:53 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Andrey Smagin <samspeed@mail.ru> Cc: current <current@freebsd.org> Subject: Re: Strange hang HPET in current Message-ID: <4CCAD269.9070300@FreeBSD.org> In-Reply-To: <mailpost.1288165946.4430634.32071.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> References: <4CC676C8.8070303@FreeBSD.org> <mailpost.1288165946.4430634.32071.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw>
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Hi. Andrey Smagin wrote: > In my box (amd64, current 20.oct.10 ) > some time hang by 5-10 minutes with random subsystem, may > hang disk access,network,very often tty. In most no output in log, > sometimes with messages "calcru: .....". After 5-10 minutes it > continue work again. When I disabled HPET in bios - problem gone. Could you give some more info? Is it physical machine? Is it SMP? What chipset do you have? Does HPET works in per-CPU or global mode? Does `vmstat -i` shows HPET interrupts during that time? -- Alexander Motin
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