From nobody Wed Feb 09 10:37:37 2022 X-Original-To: hackers@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 2898919BD9ED for ; Wed, 9 Feb 2022 10:38:10 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from mailgate.Leidinger.net (bastille.leidinger.net [89.238.82.207]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature ECDSA (P-256) client-digest SHA256) (Client CN "mailgate.leidinger.net", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4JtxDJ4sGfz3p4x; Wed, 9 Feb 2022 10:38:08 +0000 (UTC) (envelope-from Alexander@leidinger.net) Received: from outgoing.leidinger.net (p5b1653d5.dip0.t-ipconnect.de [91.22.83.213]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256 client-signature ECDSA (P-256) client-digest SHA256) (Client CN "outgoing.leidinger.net", Issuer "R3" (verified OK)) by mailgate.Leidinger.net (Postfix) with ESMTPSA id 852C52C33B; Wed, 9 Feb 2022 11:37:58 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=leidinger.net; s=outgoing-alex; t=1644403078; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qW/rWjwZCCojC4vQ7Y3XJG50T/RhJizB702ODLc/cfM=; b=Y3mp1/6JMLJ7Vpq7UDEbMOKZPG2JVw0sLSFOzEyLwEm4oGwkg4lUpC6nx22vUYVxM2juXS VoNs8BfT+knl6GvSRFdunKDckPt2dzI6xZxV0KmK9xFl2Zex4JGS8ecxqP36NM0vCblPCu tzM2RDdfwJuexka9rtuhpqUJHfL0iR/hgrjQXHkfBIrKUTVOiix1GdA6x/cxfsJTNtHmcP I3p8fj6XlVn2lZjv5dQERYnJdsyfdBV1SZhkXTEOocn1OBj53/XlSV5Y89tHzBXkJiAXI4 qD7IXuEszTmqueOPMeUiWBXyL30oaTqm5J5oluLUphHq37ipEf55qIqtNQMnzw== Received: from webmail.leidinger.net (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-256) server-digest SHA256) (Client did not present a certificate) by outgoing.leidinger.net (Postfix) with ESMTPS id 1D2356209; Wed, 9 Feb 2022 11:37:47 +0100 (CET) Date: Wed, 09 Feb 2022 11:37:37 +0100 Message-ID: <20220209113737.Horde.8QntfZV4xEkYdmHjXMgCpHN@webmail.leidinger.net> From: Alexander Leidinger To: Michael Gmelin Cc: hackers@freebsd.org Subject: Re: Behavior of /dev/pts in a jail? References: <20220208094128.Horde.LqeAS3LDe4RHYSV3IH2XY96@webmail.leidinger.net> <20220208133732.500611e3.grembo@freebsd.org> In-Reply-To: <20220208133732.500611e3.grembo@freebsd.org> Accept-Language: de,en Content-Type: text/plain; charset=utf-8; format=flowed; DelSp=Yes List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@freebsd.org MIME-Version: 1.0 Content-Disposition: inline X-Rspamd-Queue-Id: 4JtxDJ4sGfz3p4x X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=leidinger.net header.s=outgoing-alex header.b="Y3mp1/6J"; dmarc=pass (policy=quarantine) header.from=leidinger.net; spf=pass (mx1.freebsd.org: domain of Alexander@leidinger.net designates 89.238.82.207 as permitted sender) smtp.mailfrom=Alexander@leidinger.net X-Spamd-Result: default: False [-3.00 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[leidinger.net:s=outgoing-alex]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; MIME_GOOD(-0.10)[text/plain]; NEURAL_HAM_LONG(-1.00)[-1.000]; RCVD_COUNT_THREE(0.00)[3]; MID_RHS_MATCH_FROMTLD(0.00)[]; DKIM_TRACE(0.00)[leidinger.net:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[leidinger.net,quarantine]; NEURAL_HAM_SHORT(-1.00)[-1.000]; MLMMJ_DEST(0.00)[hackers]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:34240, ipnet:89.238.64.0/18, country:DE]; RCVD_TLS_ALL(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[91.22.83.213:received] X-ThisMailContainsUnwantedMimeParts: N Quoting Michael Gmelin (from Tue, 8 Feb 2022 13:37:32 +0100): > I've seen a similar problem with jails running on top of bhyve (in that > case, doing ssh wouldn't work). > > The solution back then was to add ttyu* to devfs rules _before_ starting > the jail: > > devfs rule -s 3 add 3250 path "ttyu*" unhide > > Not sure if what you're seeing is related, but it feels a bit like that. > > See also > https://lists.freebsd.org/archives/freebsd-current/2021-August/000409.html I tried that now. It doesn't help. I'm not really surprised, as there is no ttyu* device visible on the host itself (serial devices disabled in bios). Bye, Alexander. -- http://www.Leidinger.net Alexander@Leidinger.net: PGP 0x8F31830F9F2772BF http://www.FreeBSD.org netchild@FreeBSD.org : PGP 0x8F31830F9F2772BF