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[73.125.89.242]) by smtp.gmail.com with ESMTPSA id bk20sm7363628qkb.13.2021.10.12.22.38.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Oct 2021 22:38:44 -0700 (PDT) Subject: Re: Getting Guix System to use llvmpipe To: raingloom References: <20211012220910.6d8e482c@riseup.net> From: Philip McGrath Message-ID: <12bc6ec1-dc45-ce72-04db-d6edc09505c4@philipmcgrath.com> Date: Wed, 13 Oct 2021 01:38:43 -0400 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211012220910.6d8e482c@riseup.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: neutral client-ip=2607:f8b0:4864:20::82a; envelope-from=philip@philipmcgrath.com; helo=mail-qt1-x82a.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NEUTRAL=0.779 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: help-guix@gnu.org Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: "Help-Guix" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1634103577; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=MhmRbSpeLKO8aXN5KEAF4NccL4WUkSUX3munAwJuHkc=; b=uStaxPWV0sAFez+prV4akZqxzmHZw0vH+wGYyILvdRMSrE+7hlWRT0XCzWz417w+nh7EV2 dKnN8SsLj8aJ9mmhmpYuxHjsWWou1FOSyXCQF3mWk7felf8Op4Uzx0sR24dXd5dM3jaZ9r s9vB03mrIi/v6FdlOJW8UR97nfUUGSMwiPwkslvxuzb/ek3QHwgUfXLc6QaTBFZwTgrDGq IUgNko0YeEXB0SbOo/4048F1pDCpjggsJf2l+VXoj1H6fXBkR0oRjQRREarFsfLiJV0DJ0 EnCOmfqpmUtnqp41v62fhkR7Ei+0Sw+SPe1JkLQagwKViWGYsqKG5B6Kzh/4CQ== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1634103577; a=rsa-sha256; cv=none; b=sHOh2H4PTsDkaUVfY9iRw5SqZlUeL///8Jg0jU9shxje2c/vqnrKMytwTi54Cp2iTR+g4H /EC5qrsPyUhkpO6ZwFn8LKoiaMtVuIuhVoCD4VZlmt5OyLqEZ91CIpMpr93A4dneVfex54 Q6fsnLrMdmJcSPwN7lo5/TngNNgQzFgTuJ+1DiplajNMCtjnZ7PSXNIADlxyF5f9qWlq5Y 4zJE9JZqYj5KZ795XKfGufLsXef/WWzWZvwF/iohjS3kMY1pmiqH6dpXraDQ2ZYrqylvRp eskgI6FeI/iqryJS9ypnVml0g8behhhsYMHWtWg9/d6MXPnfMQo7g34jskQaSg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=philipmcgrath.com header.s=google header.b=b3gUwigB; dmarc=none; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Spam-Score: -2.61 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=philipmcgrath.com header.s=google header.b=b3gUwigB; dmarc=none; spf=pass (aspmx1.migadu.com: domain of help-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=help-guix-bounces@gnu.org X-Migadu-Queue-Id: 2EDCB3A66 X-Spam-Score: -2.61 X-Migadu-Scanner: scn0.migadu.com X-TUID: 2G4fa2jZQfCZ On 10/12/21 4:09 PM, raingloom wrote: > Just a hunch but maybe you could blacklist the broken firmware on the > kernel command line arguments. I think it's something like > modprobe.blacklist=radeon,amdgpu? Sorry, I can't look into it more > right now, but that should give you some keywords to search for and > maybe find the proper docs. Thanks! This turned out not to work (I think parts of the radeon driver that don't depend on firmware may be used somehow?), but it set me down a path of looking for places to block things. After quite a bit of experimentation, I arrived at: (set-xorg-configuration (xorg-configuration (drivers '("fbdev" "vesa")))) I don't know that it's optimal, and it doesn't feel especially elegant, but it was enough to get X working just now! -Philip