Date: Fri, 29 Oct 2010 17:04:18 +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: <4CCAD462.8050505@FreeBSD.org> In-Reply-To: <4CCAD269.9070300@FreeBSD.org> References: <4CC676C8.8070303@FreeBSD.org> <mailpost.1288165946.4430634.32071.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> <4CCAD269.9070300@FreeBSD.org>
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Alexander Motin wrote:
> 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?
PS: You may try to remove from acpi_hpet.c near line 192 condition
if (fdiv < 5000) {
and respective "}". Report me if it help.
--
Alexander Motin
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