From owner-freebsd-current@FreeBSD.ORG Fri Oct 29 14:04:31 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1CF641065673 for ; Fri, 29 Oct 2010 14:04:31 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 9871D8FC08 for ; Fri, 29 Oct 2010 14:04:30 +0000 (UTC) Received: by bwz3 with SMTP id 3so2542823bwz.13 for ; Fri, 29 Oct 2010 07:04:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:sender:message-id:date:from :user-agent:mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=m6ok0wMclANmJFOf+1BR8cyqfZVZOLstcXu4JeJgyMM=; b=EuPBH6ewH93Hf3yffemaGZl16PTuXHx7Lc1iRQrqpUhipflpGysjoUJejtNiId5y7F WdDWCJVaday2mjbQnpURPoF44AfNByzKFO1HcqMi3Hwh3z1cSCG63c9xVTbuErypCmwT CXY1jIWktn8gJKErO9G3pOoVyT01vSItCUS9g= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=f6snHhC05k8REjcVdcrrUPx2X6A1V5V9j3YULBgonUUMtc7qlVgb4gPJz8iEhH7qHd Jzg7TeNykk+Pe63zTw6OwcGdSCOSuaSwCI4Z6qWxoHbMuHBIlJmakC1VcyWH1O5A2BTE 1a7NdyUm8mbNyWBFuTpXHvfDAZbafPbn/ZL7Y= Received: by 10.204.64.135 with SMTP id e7mr3098351bki.146.1288361069223; Fri, 29 Oct 2010 07:04:29 -0700 (PDT) Received: from mavbook.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id u4sm868368bkz.17.2010.10.29.07.04.19 (version=SSLv3 cipher=RC4-MD5); Fri, 29 Oct 2010 07:04:20 -0700 (PDT) Sender: Alexander Motin Message-ID: <4CCAD462.8050505@FreeBSD.org> Date: Fri, 29 Oct 2010 17:04:18 +0300 From: Alexander Motin User-Agent: Thunderbird 2.0.0.24 (X11/20100402) MIME-Version: 1.0 To: Andrey Smagin References: <4CC676C8.8070303@FreeBSD.org> <4CCAD269.9070300@FreeBSD.org> In-Reply-To: <4CCAD269.9070300@FreeBSD.org> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: 7bit Cc: current Subject: Re: Strange hang HPET in current X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Oct 2010 14:04:31 -0000 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