From owner-freebsd-arm@freebsd.org Sat Sep 12 19:57:02 2015 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5344EA02CAF for ; Sat, 12 Sep 2015 19:57:02 +0000 (UTC) (envelope-from mmitchel@gmail.com) Received: from mail-qg0-x229.google.com (mail-qg0-x229.google.com [IPv6:2607:f8b0:400d:c04::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 0C42112CF for ; Sat, 12 Sep 2015 19:57:02 +0000 (UTC) (envelope-from mmitchel@gmail.com) Received: by qgev79 with SMTP id v79so87792102qge.0 for ; Sat, 12 Sep 2015 12:57:00 -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=3SEhS+cxZwgV6H9HrP3UHYDEukdx4kza5sbkp9wmVn8=; b=FliASXf6OQAPetuW0u1RD/Oo8VQmoNmuCHwww2Ru5akL1yRm9gkN1doANnK9uIdnmm FqggX8+37JCkorK7qVPxNjlRfNlkiWD2gY9cJXtNsCzBs8IdYAP29iAP18f1mCJAZ7+O pKxSCEEI8M5/YsMxmTXdyZKLtB2sUHAU6uaTF/agPEYKSDf25dNZu2qNJ1A4Y6D3POTg 13cP0pm18th6bv7mccLLHPXP/hSxUpqGyW2KsO801Z81zIg14u64k3AT+D/pEvYY3myl i33XKfwR5GGotzwG4vV0yuW6wKN+ak44PcttXmK5qxhAulY3oAWHBZl+k0ZK2Ea+jn2I 6o1g== MIME-Version: 1.0 X-Received: by 10.140.39.73 with SMTP id u67mr8691046qgu.16.1442087820819; Sat, 12 Sep 2015 12:57:00 -0700 (PDT) Received: by 10.55.165.131 with HTTP; Sat, 12 Sep 2015 12:57:00 -0700 (PDT) In-Reply-To: References: <20150912150433.GA1204@potato.growveg.org> Date: Sat, 12 Sep 2015 12:57:00 -0700 Message-ID: Subject: Re: single user mode freebsd11/rpi2 From: Michael Mitchell To: Tim Kientzle Cc: freebsd-arm Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Sep 2015 19:57:02 -0000 the Prolific 2303 drivers -- SUXXOR -- on windows. we had to eliminate all use of cables like this in our software lab at work, they actually Blue Screen of Death at the most in opportune time. http://www.ftdichip.com/Products/Cables/RPi.htm These don't have the problem with driver crashes. On Sat, Sep 12, 2015 at 10:41 AM, Tim Kientzle wrote: > > > On Sep 12, 2015, at 8:04 AM, John > wrote: > > > > Hello list, > > > > I need to either make the system single user node by either becoming > > it (as root, shutdown now) or booting into it (either at the boot prompt > or > > with nextboot) and I can do neither, so obviously I'm going about this > > the wrong way. "shutdown now" never returns a prompt and > > "nextboot -o "-s" -k kernel *will* boot the kernel after shutdown -p > > but I get no prompt. Last two lines of output: > > > > warning: no time-of-day clock registered, system time will not be set > accurately > > random: unblocking device. > > > > and there it sits. I left it for 15 mins to make sure it wasn't just > slow. > > ctrl-alt-del rebooted the pi but other than that, nothing had any effect. > > The default system console is the serial console. > > You'll need one of these (or something equivalent): > > http://www.adafruit.com/product/954 > > Here's a good picture showing how to connect it: > > > http://tinkersphere.com/raspberry-pi-accessories/317-usb-to-ttl-serial-cable-for-raspberry-pi-debugging.html > > Note: The red wire does not need to be connected: If you do connect it, > it will provide power and the board will boot, which may or may not be what > you want. (In particular, if you have USB accessories plugged into your > RPI2, the red wire here may not provide enough power.) > > This will also give you access to the U-Boot and ubldr prompts. > > > > > How can I make it single user mode? The reason this needs to be done is > > I need to move some filesystems around. > > If you have another FreeBSD machine, you can mount the SD card there to do > major surgery like this. > > Cheers, > > Tim > > _______________________________________________ > freebsd-arm@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >