From owner-freebsd-current@freebsd.org Sat Oct 20 01:10:57 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 55A64FEDFD2 for ; Sat, 20 Oct 2018 01:10:57 +0000 (UTC) (envelope-from grahamperrin@gmail.com) Received: from mail-wr1-x444.google.com (mail-wr1-x444.google.com [IPv6:2a00:1450:4864:20::444]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C330E75E45 for ; Sat, 20 Oct 2018 01:10:56 +0000 (UTC) (envelope-from grahamperrin@gmail.com) Received: by mail-wr1-x444.google.com with SMTP id r17-v6so6778877wrt.9 for ; Fri, 19 Oct 2018 18:10:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:from:to:references:message-id:date:user-agent:mime-version :in-reply-to:content-transfer-encoding:content-language; bh=TrkNgV7Jh6a0hNA9172ssVjoKfe/zwSXKzueRWYxCZw=; b=oJC7lqFZRsh/TcTvD5c9Yx8SJQllrJCewQVNnGrMhU2QkC7hlDCbnmzioLRItw+tvc guaotKrr+y83Ej7naoTdH+vSqJRREkgunh0l95jobbKsEeJFrwcLRvgSfV3Lz1TI+Od1 OQVvXvthuS+RXesJ/0UVVtNquIcKDaal7pZ/4KYtCseBQWJ/z2BfhRPdgfFbmMqg914d WMBPw87MqwEu5CHCfI+tngKBs9P/0y3SnQOkpYBei9hnqV7OeqK9AHIkM0s1UgLGwfws nQr6NIjO8UzuWAB6RgYkzbGoDyWEf0PxXSDBTvLOWY23pPRonWL7q/iZhCRzzcH5WVph ObBA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:from:to:references:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=TrkNgV7Jh6a0hNA9172ssVjoKfe/zwSXKzueRWYxCZw=; b=oEOTAtw9QES6o7HzIzAL3N/1OepwZZyOyFn1ZlTca4vLrL7Sn94/n5Pn15d3cnwx8G MtP0OuhEx6ItzmAO5rwLMng7Ah9WyCr+XC9P1YZ3j6Ds5vKCSUy+C+A7KJWlcSCXbHYv QbgQO6JX1h6GvYmwULPPJ0Q6bR2qGXm+TxBvOS+oN+I0g8WMlPFnbhm+M3WehbT9rJh4 jUbkbH+2AefgyHAs0Ti04ZjrqTxAO1OmO6fXSFa6PIipkvsfYvEZ734Yr8/GzPXl1EpX Z+ecwblGTHb3TH0ERoe7vIpTsmj88Cp1WL/chGiLLNjilh/x1uWGMHEoVRGGJRVDK9ih kYyg== X-Gm-Message-State: ABuFfojZ68hC4jWa9H9bUi7KCbdzI/1LT66UlBX+y5gvSLk7zvPJhn6l YzQ+oI/n1NY+mlNN7S+gxKkCuhEebKs= X-Google-Smtp-Source: ACcGV62vvBT8W15MGgm7i5t71f46bbhpvqgS1HoWPETQKT8d8EI1DKTH4V3BP7+nppYo3x4WaWt5yw== X-Received: by 2002:adf:f941:: with SMTP id q1-v6mr34457029wrr.151.1539997855213; Fri, 19 Oct 2018 18:10:55 -0700 (PDT) Received: from [192.168.1.231] (79-66-139-63.dynamic.dsl.as9105.com. [79.66.139.63]) by smtp.gmail.com with ESMTPSA id e6-v6sm18028542wrc.70.2018.10.19.18.10.53 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Oct 2018 18:10:53 -0700 (PDT) Subject: =?UTF-8?Q?DRM=3a_radeonkms_=e2=80=a6_can_not_be_unloaded_=28kernel_?= =?UTF-8?B?cGFuaWMpKSDigKY=?= From: Graham Perrin To: FreeBSD Current References: Message-ID: <29c87b89-2de0-fc72-4591-e362fd965322@gmail.com> Date: Sat, 20 Oct 2018 02:10:52 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Content-Language: en-US X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 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: Sat, 20 Oct 2018 01:10:57 -0000 On 20/10/2018 00:01, Graham Perrin wrote: > kldunload radeonkms > > – results in a kernel panic. Found, at under 'drm-devel-kmod g20180822 screen freeze': >> … normally you never unload the graphics driver so we haven't spent time on proper cleanup. Also, the drm module will cause panic if you try load load it again after unload. ---- Is the principle for -next- the same as for -devel-, should I simply _never_ attempt to unload the module? $ date ; uname -v Sat 20 Oct 2018 02:06:21 BST FreeBSD 12.0-BETA1 r339438 GENERIC $ pkg query '%o %v %R' drm-kmod drm-next-kmod gpu-firmware-kmod graphics/drm-next-kmod 4.11.g20180822 poudriere graphics/gpu-firmware-kmod g20180825 FreeBSD $