From owner-freebsd-hackers@FreeBSD.ORG Wed Jun 13 21:16:21 2012 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7E3431065798 for ; Wed, 13 Jun 2012 21:16:21 +0000 (UTC) (envelope-from claudiu.vasadi@gmail.com) Received: from mail-pz0-f54.google.com (mail-pz0-f54.google.com [209.85.210.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3A1BF8FC0C for ; Wed, 13 Jun 2012 21:16:21 +0000 (UTC) Received: by dadv36 with SMTP id v36so1643313dad.13 for ; Wed, 13 Jun 2012 14:16:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=WbenUN63O04/gCkzUvWSQeGmpbtoUd0Ia/q7TGrzU0w=; b=ptdfqzLPug10W60uBZDE8dmjSbg6wjzUjPPcXubZoizZQBDmoUgKWuJ89F7hBf3/V8 PORkfMawn53iXxEF9jvPNVgjYL8DyZnh8748n3AJe9qZfessqt9YveT2qRqBRTnzdLmq 4liIbViD4k0Kpbug2wrY4f3QweeA/blJ4XjJKvWlVXSHEUl/eVRaXxq3YoP8svx6UAw4 aHuaL+QkAqhEFFmTIGaQvLvkfbU0/EuiXJ0S4Uqgd7SYIgFvSWNZgJQHiyU930HTjVX0 QaSPFpXMa5W4Z3u8KxKzsJT4EK0WcIGGMrEBxuFkaafEj3zaASzPhB3BOAuN7B+WpTwr sQeg== MIME-Version: 1.0 Received: by 10.68.135.201 with SMTP id pu9mr54390199pbb.146.1339622180244; Wed, 13 Jun 2012 14:16:20 -0700 (PDT) Received: by 10.66.50.74 with HTTP; Wed, 13 Jun 2012 14:16:20 -0700 (PDT) In-Reply-To: References: <4FD66F7E.2060404@brandonfa.lk> <1339593689.73426.8.camel@revolution.hippie.lan> <201206132155.22111.hselasky@c2i.net> Date: Wed, 13 Jun 2012 23:16:20 +0200 Message-ID: From: claudiu vasadi To: Eitan Adler Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Ian Lepore , freebsd-hackers@freebsd.org, Wojciech Puchar , Hans Petter Selasky Subject: Re: FreeBSD Boot Times X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jun 2012 21:16:21 -0000 On Wed, Jun 13, 2012 at 10:58 PM, Eitan Adler wrote: > On 13 June 2012 12:55, Hans Petter Selasky wrote: > > On Wednesday 13 June 2012 15:21:29 Ian Lepore wrote: > >> On Wed, 2012-06-13 at 09:10 +0200, Wojciech Puchar wrote: > >> > > Greetings, > >> > > > >> > > I was just wondering what it is that FreeBSD does that makes it > take so > >> > > long to boot. Booting into Ubuntu minimal or my own custom Linux > >> > > distro, literally takes 0.5-2 seconds to boot up to shell, where > >> > > FreeBSD takes about 10-20 seconds. I'm not sure if anything could be > >> > > parallelized in the boot process, > >> > > >> > mostly kernel time. > >> > > >> > > Note: This isn't really an issue, moreso a curiosity. > >> > > >> > true. system that never crash are not often booted > >> > >> An embedded system may be booted or powered cycled dozens of times a > >> day, and boot time can be VERY important. Don't assume that the way you > >> use FreeBSD is the only way. > >> > >> -- Ian > > > > Try setting: > > > > sysctl hw.usb.no_boot_wait=1 > > Can you explain in a bit more detail what this does and why it isn't > default? > > > -- > Eitan Adler > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > If you simplky do "sysctl -d hw.usb.no_boot_wait" you will see the explanation ;) -- Best regards, Claudiu Vasadi