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Wed, 8 Dec 2021 23:05:41 -0500 (EST) Date: Wed, 8 Dec 2021 23:05:39 -0500 From: Leo Famulari To: Thiago Jung Bauermann Subject: Re: No sound on laptop after linux-libre 5.15 Message-ID: References: <2249898.6YmaLFrJ0H@popigai> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2249898.6YmaLFrJ0H@popigai> Received-SPF: pass client-ip=64.147.123.25; envelope-from=leo@famulari.name; helo=wout2-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Paxton Evans , 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; 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aspmx1.migadu.com; dkim=pass header.d=famulari.name header.s=mesmtp header.b=z1mljXE8; dkim=pass header.d=messagingengine.com header.s=fm1 header.b=WjWqkqzO; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -4.75 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=famulari.name header.s=mesmtp header.b=z1mljXE8; dkim=pass header.d=messagingengine.com header.s=fm1 header.b=WjWqkqzO; dmarc=none; spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 06BDCD628 X-Spam-Score: -4.75 X-Migadu-Scanner: scn1.migadu.com X-TUID: 6WehqfhaPpnG On Wed, Dec 08, 2021 at 11:34:24PM -0300, Thiago Jung Bauermann wrote: > Em quarta-feira, 8 de dezembro de 2021, ās 01:55:13 -03, Paxton Evans > escreveu: > > Rolling back to linux-libre 5.14.21 (guix > > ea7233befb9570cce47e5ca71725b285a580cd22) totally fixes this issue. > > > > Troubleshooting sound issues on GNU/Linux is such a nightmare that I'm > > hoping this list can help me, as I don't really know much about how > > sound on our favorite OS really works, and don't have enough information > > to file a bug. Can anyone give me pointers on where to start looking? > > dmesg on 5.15.6 didn't seem to report anything strange. Thanks for your report. Everything Thiago said is important, and it would also help if you told us what you had tried to do. That is, what are you using to make sound? My basic sound test is to use mpg123 to play an MP3 file. You can use the --output option to choose which output to play through, to be sure. And you can use --list-modules to see what's available. On Guix System, we aim to make applications use Pulseaudio by default, so you can use `mpg123 --output pulse file.mp3` to test that. You can also use `mpg123 --output alsa file.mp3` if you'd rather test ALSA. Unfortunately I currently cannot test sound on Guix System with linux-libre. However, it does work for me on a computer using Guix System with a custom kernel.