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[88.105.96.80]) by smtp.gmail.com with ESMTPSA id o1sm1008408wrm.66.2021.04.27.04.19.33 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 27 Apr 2021 04:19:33 -0700 (PDT) To: freebsd-current From: Graham Perrin Subject: DHCP no longer working for em(4) Message-ID: Date: Tue, 27 Apr 2021 12:19:32 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-GB X-Rspamd-Queue-Id: 4FTzn43pcfz3qJq X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=M2ZbvRK6; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of grahamperrin@gmail.com designates 2a00:1450:4864:20::32c as permitted sender) smtp.mailfrom=grahamperrin@gmail.com X-Spamd-Result: default: False [-2.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; RCVD_COUNT_THREE(0.00)[3]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; RBL_DBL_DONT_QUERY_IPS(0.00)[2a00:1450:4864:20::32c:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.998]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; RECEIVED_SPAMHAUS_PBL(0.00)[88.105.96.80:received]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; RCPT_COUNT_ONE(0.00)[1]; SPAMHAUS_ZRD(0.00)[2a00:1450:4864:20::32c:from:127.0.2.255]; NEURAL_SPAM_SHORT(1.00)[1.000]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::32c:from]; RCVD_TLS_ALL(0.00)[]; MAILMAN_DEST(0.00)[freebsd-current] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 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: Tue, 27 Apr 2021 11:19:37 -0000 DHCP recently stopped working for em0. HP EliteBook 8570p, recently probed: Any ideas? For what its worth, the problem _might_ have begun after a package upgrade routine on Tuesday 20th April: I updated the sytem (from n246123-21afed4b1d1 to n246330-5eb9c93a20d), no improvement. /etc/rc.conf – includes the following lines: ifconfig_em0="DHCP" create_args_wlan0="country GB regdomain etsi" wlans_iwn0="wlan0" ifconfig_wlan0="NOAUTO WPA SYNCDHCP" When I use a static address in lieu of DHCP: no problem. wlan0 is fine (albeit slow) with DHCP, % date ; uname -v Tue 27 Apr 2021 12:10:08 BST FreeBSD 14.0-CURRENT #93 main-n246330-5eb9c93a20d: Tue Apr 27 05:14:26 BST 2021 root@mowa219-gjp4-8570p:/usr/obj/usr/src/amd64.amd64/sys/GENERIC-NODEBUG % ls -ahlrt /var/run/dhclient/ total 1 drwxr-xr-x   2 root  wheel     3B 27 Apr 07:00 . -rw-r--r--   1 root  wheel     5B 27 Apr 07:00 dhclient.wlan0.pid drwxr-xr-x  22 root  wheel    44B 27 Apr 07:25 .. % bectl list -c creation BE                    Active Mountpoint Space Created r357746-Waterfox      -      -          59.2G 2020-03-10 18:24 n245827-361e9501800-a -      -          10.9G 2021-04-05 18:48 n246123-21afed4b1d1-f -      -          783M  2021-04-26 03:18 n246330-5eb9c93a20d-a NR     /          112G  2021-04-27 06:14 % ---- root@mowa219-gjp4-8570p:~ # date ; time service netif restart em0 Tue Apr 27 12:16:53 BST 2021 dhclient not running? (check /var/run/dhclient/dhclient.em0.pid). Stopping Network: em0. em0: flags=8c22 metric 0 mtu 1500 options=481249b         ether ⋯         media: Ethernet autoselect (100baseTX )         status: active         nd6 options=29 Starting Network: em0. em0: flags=8863 metric 0 mtu 1500 options=481249b         ether ⋯         media: Ethernet autoselect         status: no carrier         nd6 options=29 0.089u 0.040s 0:01.87 6.4%      139+188k 0+0io 0pf+0w root@mowa219-gjp4-8570p:~ # date ; ifconfig em0 Tue Apr 27 12:17:00 BST 2021 em0: flags=8863 metric 0 mtu 1500 options=481249b         ether ⋯         media: Ethernet autoselect (100baseTX )         status: active         nd6 options=29 root@mowa219-gjp4-8570p:~ #