From owner-freebsd-net@freebsd.org Sat Mar 23 15:07:06 2019 Return-Path: Delivered-To: freebsd-net@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 1E88C15531AA for ; Sat, 23 Mar 2019 15:07:06 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42]) by mx1.freebsd.org (Postfix) with ESMTP id A0FA56DC68 for ; Sat, 23 Mar 2019 15:07:04 +0000 (UTC) (envelope-from yuri@rawbw.com) Received: from yv.noip.me (c-24-4-39-254.hsd1.ca.comcast.net [24.4.39.254]) (authenticated bits=0) by shell1.rawbw.com (8.15.1/8.15.1) with ESMTPSA id x2NF71Bp089028 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Sat, 23 Mar 2019 08:07:02 -0700 (PDT) (envelope-from yuri@rawbw.com) X-Authentication-Warning: shell1.rawbw.com: Host c-24-4-39-254.hsd1.ca.comcast.net [24.4.39.254] claimed to be yv.noip.me Subject: Re: dhclient fails to obtain the IP address from some WiFi networks To: Eugene Grosbein , "freebsd-net@freebsd.org" References: <1718f323-6c12-9a4c-ca70-11bd15cbb7c5@rawbw.com> From: Yuri Message-ID: Date: Sat, 23 Mar 2019 08:07:00 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: A0FA56DC68 X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; spf=pass (mx1.freebsd.org: domain of yuri@rawbw.com designates 198.144.192.42 as permitted sender) smtp.mailfrom=yuri@rawbw.com X-Spamd-Result: default: False [-5.71 / 15.00]; ARC_NA(0.00)[]; TO_DN_EQ_ADDR_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip4:198.144.192.32/27]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; HAS_XAW(0.00)[]; DMARC_NA(0.00)[rawbw.com]; RECEIVED_SPAMHAUS_PBL(0.00)[254.39.4.24.zen.spamhaus.org : 127.0.0.10]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MX_GOOD(-0.01)[cached: mx.rawbw.net]; RCPT_COUNT_TWO(0.00)[2]; RCVD_IN_DNSWL_NONE(0.00)[42.192.144.198.list.dnswl.org : 127.0.10.0]; NEURAL_HAM_SHORT(-0.96)[-0.958,0]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; IP_SCORE(-2.54)[ip: (-4.11), ipnet: 198.144.192.0/19(-4.74), asn: 7961(-3.80), country: US(-0.07)]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:7961, ipnet:198.144.192.0/19, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Mar 2019 15:07:06 -0000 On 3/23/19 3:07 AM, Eugene Grosbein wrote: > There was several important changes to dhclient not so long ago. > Please describe the case in detail, including exact branch and revision of your FreeBSD system > and relevant messages of "dmesg -a" output. And output of tcpdump too, if possible. > System revision: 12.0-STABLE #1 r344209 The only dmesg messages during one unsuccessful session were: Mar 22 09:53:41 sw wpa_supplicant[3397]: Successfully initialized wpa_supplicant Mar 22 09:53:42 sw kernel: run0: firmware RT3071 ver. 0.33 loaded Mar 22 09:53:51 sw wpa_supplicant[3398]: wlan0: Trying to associate with 68:bc:1c:c8:26:4e (SSID='xx' freq=5805 MHz) Mar 22 09:53:51 sw wpa_supplicant[3398]: Failed to add supported operating classes IE Mar 22 09:53:52 sw wpa_supplicant[3398]: wlan0: Associated with 68:bc:1c:c8:26:4e Mar 22 09:53:52 sw kernel: wlan0: link state changed to UP Mar 22 09:53:52 sw wpa_supplicant[3398]: wlan0: CTRL-EVENT-CONNECTED - Connection to 68:bc:1c:c8:26:4e completed [id=1 id_str=] Mar 22 09:55:15 sw dhclient[3435]: New IP Address (wlan0): 10.99.52.90 Mar 22 09:55:15 sw dhclient[3436]: New Subnet Mask (wlan0): 255.255.255.0 Mar 22 09:55:15 sw dhclient[3437]: New Broadcast Address (wlan0): 10.99.52.255 Mar 22 09:55:15 sw dhclient[3438]: New Routers (wlan0): 10.99.52.1 Mar 22 09:55:16 sw dhclient[3440]: New Routers (wlan0): 10.99.52.1 Mar 22 09:55:42 sw wpa_supplicant[3398]: wlan0: CTRL-EVENT-DISCONNECTED bssid=68:bc:1c:c8:26:4e reason=3 locally_generated=1 Mar 22 09:55:42 sw kernel: wlan0: link state changed to DOWN tcpdump isn't possible at this time. But everything that dhclient was sending is in kdump files. Yuri