From owner-freebsd-virtualization@freebsd.org Wed Aug 21 08:51:49 2019 Return-Path: Delivered-To: freebsd-virtualization@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 458F7C0506 for ; Wed, 21 Aug 2019 08:51:49 +0000 (UTC) (envelope-from list+org.freebsd.virtualization@io7m.com) Received: from mail.io7m.com (mail.io7m.com [IPv6:2001:19f0:5:752:f000::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.io7m.com", Issuer "arc7 CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 46D1cN2tH5z3BsR for ; Wed, 21 Aug 2019 08:51:48 +0000 (UTC) (envelope-from list+org.freebsd.virtualization@io7m.com) Received: from almond.int.arc7.info (cust187-dsl61.idnet.net [212.69.61.187]) by mail.io7m.com (Postfix) with ESMTPSA id 9FA557DA9; Wed, 21 Aug 2019 08:51:45 +0000 (UTC) Date: Wed, 21 Aug 2019 09:51:33 +0100 From: Mark Raynsford To: "Rodney W. Grimes" Cc: freebsd-virtualization@freebsd.org Subject: Re: Severely broken bhyve console Message-ID: <20190821095133.29344da4@almond.int.arc7.info> In-Reply-To: <201908202134.x7KLY2JZ051160@gndrsh.dnsmgr.net> References: <20190820212636.63f08db2@almond.int.arc7.info> <201908202134.x7KLY2JZ051160@gndrsh.dnsmgr.net> Organization: io7m.com OpenPGP: id=E379595716131DB4E7AB87DD67B18CC1F9ACE345; url=https://io7m.com/pgp/E379_5957_1613_1DB4_E7AB_87DD_67B1_8CC1_F9AC_E345.key MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/Ig9_L7WRDbnquDl2heTjklD"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Rspamd-Queue-Id: 46D1cN2tH5z3BsR X-Spamd-Bar: ------ X-Spamd-Result: default: False [-6.54 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; R_DKIM_ALLOW(-0.20)[io7m.com:s=mail]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.20)[multipart/signed,text/plain]; HAS_ORG_HEADER(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DKIM_TRACE(0.00)[io7m.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[io7m.com,quarantine]; NEURAL_HAM_SHORT(-0.93)[-0.927,0]; SIGNED_PGP(-2.00)[]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; IP_SCORE(-0.52)[ipnet: 2001:19f0::/38(-2.13), asn: 20473(-0.41), country: US(-0.05)]; ASN(0.00)[asn:20473, ipnet:2001:19f0::/38, country:US]; TAGGED_FROM(0.00)[org.freebsd.virtualization]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Aug 2019 08:51:49 -0000 --Sig_/Ig9_L7WRDbnquDl2heTjklD Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On 2019-08-20T14:34:02 -0700 "Rodney W. Grimes" wrote: > > What it looks as if is happened is you have disconnected from > a session while it was in grub and had sent specific control > sequences, possibly even expecting scroll regions and such > set up in the terminal. Now when you reconnect from a newly > initialzed terminal that has none of this setup things go > very wrong. Interesting. I don't remember this happening, but it's not inconceivable that it happened and I didn't notice it. What is kind of strange is that I appear to be partly in the grub prompt and partly in the Debian installer; I see output and responses from both interleaved. > One solution is to use the graphics console, that does not suffer > from these tty type issues, its a bit sluggish if you do not have > a good high speed network path to the bhyve host though. It's a 1Gbps LAN, so I assume that's fast enough. However: Is there some way I can reset the nmdm device? --=20 Mark Raynsford | http://www.io7m.com --Sig_/Ig9_L7WRDbnquDl2heTjklD Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iHUEARYKAB0WIQTjeVlXFhMdtOerh91nsYzB+azjRQUCXV0GFQAKCRBnsYzB+azj RUL2AQC9o8t9ikolCQkbERHrpZ9MBMgJF9GD2nvP0aR5dLYikgD8C+pyhdZRQ6ev r+kWFCcBUqA2srSN7KvjcLb+2MWsbAQ= =g52h -----END PGP SIGNATURE----- --Sig_/Ig9_L7WRDbnquDl2heTjklD--