Date: 3 Jun 2018 17:02:59 +0800 From: "Mavric" <info5@high-way.xyz> To: "Questions" <questions@freebsd.org> Subject: Get Patent Solar 4LED Warning Beacon Now Message-ID: <20180603170259714.info5@high-way.xyz>
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KlEQ9SX4 vEv0I1wZ DKoy6ibv LJeo14ts flvvLkIO reW8A6ri idkLVCos 9= 95pEy2q a2Knw1ej 2A7Sl3UE hW6NJIxD W2lCei9S bvXxl4Mh Z1Ilvw66 er7= HsfHs v7qtFB4J qeHQ6mid aOOHZb7q WfoNbspV Nu2eDiBn XZUhPfZR 8UxEq= 0tj 00---- From owner-freebsd-questions@freebsd.org Sun Jun 3 17:20:15 2018 Return-Path: <owner-freebsd-questions@freebsd.org> Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0F13CFE1BCF for <freebsd-questions@mailman.ysv.freebsd.org>; Sun, 3 Jun 2018 17:20:15 +0000 (UTC) (envelope-from jkeenan@pobox.com) Received: from pb-smtp1.pobox.com (pb-smtp1.pobox.com [64.147.108.70]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id B19B470152 for <freebsd-questions@freebsd.org>; Sun, 3 Jun 2018 17:20:14 +0000 (UTC) (envelope-from jkeenan@pobox.com) Received: from pb-smtp1.pobox.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id 52853F0111 for <freebsd-questions@freebsd.org>; Sun, 3 Jun 2018 13:20:07 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=to:from :subject:message-id:date:mime-version:content-type :content-transfer-encoding; s=sasl; bh=1uK8r5NSvomQifP4IzWhgksM1 7o=; b=FIVHsX0lHfbpE683XZGb5WW/5zemcW7fAcKcf976Gx4MYxVWhq8Z/6P4h K0wwaDm9ue0MXwHlNxed+kbBImLsIHCk5ECDzzn06qVDIKZGBruGEN7ESfKCCmoU 2EjCQBzgmTSOlEeUn4KM4VL89NgeRhZlAg+Wa4wb82YYLshTLc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=to:from:subject :message-id:date:mime-version:content-type :content-transfer-encoding; q=dns; s=sasl; b=HxdAK1eSVsIHkVTZmEM SGu1Xhs1QRHcTzV31c+UC0tUbhwsKmRN+WJMvrLapUyl7N9JfE5SGf6soDAzWqB/ j6oMHTwBydRTBFRjWTaH5UXQdCXEhZcxum5QIB3xaooYpqAc/Z+wBSN8aJXTG5LY YTNZKw6l5+ieTk0VyPkiY+y0= Received: from pb-smtp1.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp1.pobox.com (Postfix) with ESMTP id 4A165F0110 for <freebsd-questions@freebsd.org>; Sun, 3 Jun 2018 13:20:07 -0400 (EDT) Received: from [192.168.1.5] (unknown [24.185.115.142]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by pb-smtp1.pobox.com (Postfix) with ESMTPSA id D7475F010F for <freebsd-questions@freebsd.org>; Sun, 3 Jun 2018 13:20:06 -0400 (EDT) To: freebsd-questions@freebsd.org From: James E Keenan <jkeenan@pobox.com> Subject: Unable to kill processes using either Ctrl-C or 'kill' Message-ID: <9a7f62c4-80aa-7eea-91ec-6712612a0451@pobox.com> Date: Sun, 3 Jun 2018 13:20:06 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Pobox-Relay-ID: 5C5A1D2E-6752-11E8-87C5-44CE1968708C-57062903!pb-smtp1.pobox.com X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: User questions <freebsd-questions.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>; List-Post: <mailto:freebsd-questions@freebsd.org> List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-questions>, <mailto:freebsd-questions-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sun, 03 Jun 2018 17:20:15 -0000 On a FreeBSD-11 host, I am unable to kill processes using either Ctrl-C or 'kill'. 1. The problem first became manifest when I was attempting to use Vagrant to download a Vagrant box from vagrantup.com. The box in question was a VirtualBox called 'generic/freebsd11'. I have successfully downloaded, installed and used this box several times already, so I anticipated no problems. ##### $ vagrant init generic/freebsd11 $ vagrant up --provision | tee vagrant-up-provision.log.20180603100900 Bringing machine 'default' up with 'virtualbox' provider... ==> default: Checking if box 'generic/freebsd11' is up to date... ==> default: Clearing any previously set forwarded ports... ==> default: Fixed port collision for 22 => 2222. Now on port 2202. ==> default: Clearing any previously set network interfaces... ==> default: Preparing network interfaces based on configuration... default: Adapter 1: nat ==> default: Forwarding ports... default: 22 (guest) => 2202 (host) (adapter 1) ==> default: Running 'pre-boot' VM customizations... ==> default: Booting VM... ==> default: Waiting for machine to boot. This may take a few minutes... default: SSH address: 127.0.0.1:2202 default: SSH username: vagrant default: SSH auth method: private key ##### Based on recent experience, I would have expected the "few minutes" to be 1 or 2 minutes at most and possibly be accompanied by "retrying" methods. However, at this point, the screen hung indefinitely. I tried Ctrl-C; that command was printed in my terminal but otherwise nothing happened. 2. I ssh-ed to the host in a fresh terminal and called ##### tail -f vagrant-up-provision.log.20180603100900 ##### That command displayed the output posted above and hung at the same point. This process also could not be killed by Ctrl-C. 3. I then ssh-ed to the host in a third terminal, called 'ps aux', and then tried to kill suspect processes with 'kill -9 <pid>'. Those processes were not, in fact, killed; their status was changed to 'T' -- "Marks a stopped process" according to 'man ps'. Some excerpts from 'ps auxwww': ##### vmuser 7169 0.0 0.1 81356 4444 0 T+ 14:09 0:01.99 /usr/local/bin/ruby24 /usr/local/bin/vagrant up --provision ... jkeenan 67787 0.0 0.0 6296 0 1 WW+ - 0:00.00 tail -f /home/vmuser/vagrant-images/generic-freebsd11-201806030939/vagrant-up-provision.log.20180603100900 ... jkeenan 74119 0.0 0.0 7064 0 2 WW+ - 0:00.00 /bin/sh /usr/bin/man ps ##### 4. I have now opened quite a few connections to the host. If I issue a command there such as 'man ps' or 'less' that entails paging, I can page through the output, but the process does not close by itself and does not respond to Ctrl-C. If I then try to kill that process from another terminal, the best that happens is that its status gets changed to 'WW+' -- "Marks an idle interrupt thread" and "The process is swapped out". Internet searches turn up links like this one, https://forums.freebsd.org/threads/cant-kill-process-in-the-stop-state.56319/, that suggest that there are certain processes that do not respond to 'kill' signals. That seems to be what's happening here. Can anyone suggest the cause of the problem? Short of requesting that the sysadmin shut down and reboot the system, is there anyway for a non-root user to solve this problem? Thank you very much. Jim Keenan
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