From owner-freebsd-arm@freebsd.org Wed May 20 17:01:55 2020 Return-Path: Delivered-To: freebsd-arm@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 60FC52DED95 for ; Wed, 20 May 2020 17:01:55 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from 44-233-67-66-mail.ore.mailhop.org (44-233-67-66-mail.ore.mailhop.org [44.233.67.66]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 49RzYt6TKtz4SHN for ; Wed, 20 May 2020 17:01:54 +0000 (UTC) (envelope-from ian@freebsd.org) ARC-Seal: i=1; a=rsa-sha256; t=1589994107; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=Xy1yCdTQkJn3GgUOd4Ir0k6dQUrg3Tc5iV5h4KeS9Od2graSsBjBqtY9v8gm2oPDDHrXJTjfELmUd Iz/yCI9fmX4uSX6DUJ5WdOm0SCpnJ1Fvc48xgLtmxjqiLie37HgtFbFyUl9fKBFetu/aZmPHH69rDf WlugY8AI0RrjqC6iB/nEN50fa6XhQyrRxcT812v0lKfXarJ89ixK95h2ABga2aDGnmv15A6LzsC5CZ Kkk3fS6RB69QNaHtV4mbnb8hIZPG47SaghLr/JgrAEmRm5cPeqBEp8wAc2/YpBGaJWLJmMh9xHIOGP 4IRXOrh/MH9vPMMKqBlY2mJ4SFTuqqA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=arc-outbound20181012; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:dkim-signature:from; bh=bs5u1DAX0bHgB+YkDVFvVX/VvK5qM2ut/Vz+Dm8hkQE=; b=PPPfV8P5vWpkNK0TYN5yODMDeT04YgcSRZEgxyFuURJ7cMmABqnDCi7+o+PpAdyi48Z5REdhqHGa4 WiderSenz7lqFYdU68iVl6CiyNGR7FqdH5MANxFoa3I/UDPRYBXYJOKt+Z+T83bkRQCgSYqk9MiNjV 0GJLyx4K7XFvddKQU026infjQ0pUyLidPMG4WWiZj7MLifu9m3DMZk14N5mX4wi3KXObKSw3TrqNE4 OgB/i6d/d2sigywd/PfWNMX35vyt6ajvZpzCNRnQRcJODTYDmmgKiPL5bdeo6966q5X84mSTexPsqx C6DY4Ze9giEdCjAH+NZCOs5i2rqyWfQ== ARC-Authentication-Results: i=1; outbound3.ore.mailhop.org; spf=softfail smtp.mailfrom=freebsd.org smtp.remote-ip=67.177.211.60; dmarc=none header.from=freebsd.org; arc=none header.oldest-pass=0; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:to:from:subject:message-id:from; bh=bs5u1DAX0bHgB+YkDVFvVX/VvK5qM2ut/Vz+Dm8hkQE=; b=UjMWE9hCGmuRnyjIDU1utNcr3LOTbz9Ru0Bevjp7ThB+WV4IqMO7Yokb8gycaJSWyggw95NejTCPL ECDIMCn+DujHoORv7ThnZzVTlG+ubW/oEYaoIZ0B2N6lhYyQOXOEYaqFxQI1JTd6v5QmfTaJLcgElN l1wh7OTHW40uNC+3SNO7YWnyDFMwedL+MaeFkZb75g+HcUIlFHmRxfXsASyYmPWUtDzDpyzRj8NWs7 bBUifrZtiOM6Zjau6ULJX5dkP16Dt7kRV8g2edTQeJLly0iC+jXlRJ7/KOLKYXTr7MI78GI/OQnlG6 fE6pBgarv0XoRlzAQSsbqX1HXfG15HA== X-MHO-RoutePath: aGlwcGll X-MHO-User: 95a4addb-9abb-11ea-b10c-b5956a7dd1a1 X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (c-67-177-211-60.hsd1.co.comcast.net [67.177.211.60]) by outbound3.ore.mailhop.org (Halon) with ESMTPSA id 95a4addb-9abb-11ea-b10c-b5956a7dd1a1; Wed, 20 May 2020 17:01:46 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id 04KH1i7P010514; Wed, 20 May 2020 11:01:44 -0600 (MDT) (envelope-from ian@freebsd.org) Message-ID: Subject: Re: Missing /dev/io on rpi3 running 12-stable From: Ian Lepore To: bob prohaska , freebsd-arm@freebsd.org Date: Wed, 20 May 2020 11:01:44 -0600 In-Reply-To: <20200520164642.GA70838@www.zefox.net> References: <20200520164642.GA70838@www.zefox.net> Content-Type: text/plain; charset="ASCII" X-Mailer: Evolution 3.28.5 FreeBSD GNOME Team Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 49RzYt6TKtz4SHN X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [0.00 / 15.00]; ASN(0.00)[asn:16509, ipnet:44.224.0.0/11, country:US]; local_wl_from(0.00)[freebsd.org] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 May 2020 17:01:55 -0000 On Wed, 2020-05-20 at 09:46 -0700, bob prohaska wrote: > Is there supposed to be a /dev/io by default in FreeBSD on a Pi3? > Attempts to start X under 12.1-STABLE r361271 GENERIC fail with > a report of "failed to open /dev/io". There is indeed no /dev/io, > but there's also no /dev/io on a pi2 running 12-stable. > > Nor does there seem to be a kernel module with matching name.... > > Thanks for reading! > > /dev/io is an x86 thing, doesn't apply to arm at all. It allows userland processes with sufficient privs to execute x86 in/out instructions for talking to old-school ISA bus devices such as keyboards. -- Ian