From owner-freebsd-drivers@freebsd.org Wed Nov 27 00:42:57 2019 Return-Path: Delivered-To: freebsd-drivers@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 985A91C6337 for ; Wed, 27 Nov 2019 00:42:57 +0000 (UTC) (envelope-from rajfbsd@gmail.com) Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 47N2743H0Fz4SxT for ; Wed, 27 Nov 2019 00:42:56 +0000 (UTC) (envelope-from rajfbsd@gmail.com) Received: by mail-wr1-x42e.google.com with SMTP id z10so24553036wrs.12 for ; Tue, 26 Nov 2019 16:42:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=zWqs3aG4aF/nowfO5enx/MbO1g3LOwC3bzoPy5ZBfno=; b=CdjVuLe1/sDRAC6FccCqGaOAdyKZjMq2RnvtlHyJL0C4V6wHn2JK+UwjY66NNTdZXX 1ngzdy7S5Nn3Yuwu+Rhz35DNS/MMbS83QHZ/VMYwpGkC+cegbfpnpFVA34pCMzpqX5wH ouYV5q6PGKt13l+5m0yWnOVyfR+T9lNC469Q9qCpkBvSpT4jbUF7CNWOEAgpL+pqYQNG xqEb7m8GNyGeXElLzre7m/k6ZKeXLsT6a03POWNyHpCxgWa8K9cwre8wQteMbpqPb7Cy wmFbcrqtLotMzAb9+2RDKNFVPeuh+ZjQGi9gri4nwdd4Bin8xCpJU1323r/J/9OAKBbU sG3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=zWqs3aG4aF/nowfO5enx/MbO1g3LOwC3bzoPy5ZBfno=; b=CcB4pRVzGitJJqWGJpHmRZ0UBT5k2z6GwMPmiYs18G6W0sH1cy4GDppYSLHMMLkKK1 DOXrl/2T4tv5UdkTmKPT2kbI7K9zHSrkpqrZbZF3vSXy3Z0saridD9ISnFypeHg6EG9I 2A2d61zlmyp86K+SuSm5t3P6tNdtLAaJJiSnMkl3uc9OgIHSFc3v76TtJc6kp91FICpZ riRlZOacoJeebW+Ns/JkESlLmHCjDSiit8Qh0mxEU4Fq5JKmSm2pHBmsXnxkA5DmPEPr 2j7E51g70C39iRlzc7zP5HD0pU1WMyQunzsZZ41YzA8Kba+OJs69xcIY5Zhtb4rzAfhi BY7A== X-Gm-Message-State: APjAAAUHpGTc4ToOJBu3m4nXsTwIsxq2sA5WFJ7isDaNDOzBbIcunBG7 M1GWeIa1vGSCjyeCaV/dsqjKIt3s+UQwTiCZ7CPq2KsU X-Google-Smtp-Source: APXvYqzMp30CF1M8vhbBZrreRrCYnI6njDAnl3vi4a6vvoYMchu8L7K7pWuQMwon87/4SrSkkzTv/SsoHjwbfgOL89Q= X-Received: by 2002:a5d:448f:: with SMTP id j15mr38524635wrq.70.1574815374556; Tue, 26 Nov 2019 16:42:54 -0800 (PST) MIME-Version: 1.0 From: Rajesh Kumar Date: Wed, 27 Nov 2019 06:12:43 +0530 Message-ID: Subject: Serial console not taking any user inputs. To: freebsd-drivers@freebsd.org X-Rspamd-Queue-Id: 47N2743H0Fz4SxT X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=CdjVuLe1; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of rajfbsd@gmail.com designates 2a00:1450:4864:20::42e as permitted sender) smtp.mailfrom=rajfbsd@gmail.com X-Spamd-Result: default: False [-3.00 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-drivers@freebsd.org]; TO_DN_NONE(0.00)[]; IP_SCORE_FREEMAIL(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; IP_SCORE(0.00)[ip: (-9.01), ipnet: 2a00:1450::/32(-2.69), asn: 15169(-1.95), country: US(-0.05)]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[e.2.4.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com.dwl.dnswl.org : 127.0.5.0] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Nov 2019 00:42:57 -0000 Hi, I am trying to understanding the relation between uart driver and serial console. This might be a basic question, but trying to understand. Please advise. With the serial console settings in handbook, we could get the boot logs in serial console properly, but after the boot, we couldn't do any keyboard inputs. Any idea, what could be the possible reasons? Serial settings: Baud rate 115200, Data bits 8, Stop bits 1, Parity and Flow control - None. I could see the "uart" device driver instances from the boot logs properly. But serial consle still doesn't accept any user inputs. Looks like uart driver is immaterial to get boot logs in serial console. But after boot, uart driver seems essetial for serial console. Any idea how uart driver is related to user inputs in serial console? Thanks, Rajesh.