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Tue, 20 Aug 2024 08:24:19 -0400 (EDT) Date: Tue, 20 Aug 2024 21:24:16 +0900 From: Takashi Sakamoto To: "edmund.raile" Cc: alsa-devel@alsa-project.org, regressions@lists.linux.dev, linux-sound@vger.kernel.org Subject: Re: [REGRESSION] ALSA: firewire-lib: heavy digital distortion with Fireface 800 Message-ID: <20240820122416.GA26397@workstation.local> Mail-Followup-To: "edmund.raile" , alsa-devel@alsa-project.org, regressions@lists.linux.dev, linux-sound@vger.kernel.org References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Message-ID-Hash: IKUHFTTAOFXA3EMB4PMQB7P4F3GFB3N5 X-Message-ID-Hash: IKUHFTTAOFXA3EMB4PMQB7P4F3GFB3N5 X-MailFrom: o-takashi@sakamocchi.jp X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: On Thu, Jul 18, 2024 at 12:29:48PM +0000, edmund.raile wrote: > Between the kernel releases 6.9.9 and 6.10.0, something changed that causes > heavy digital distortion on playback from at least ALSA and PipeWire. > The rhythm of the music is discernable in the output, so it isn't just > random noise. > It sounds a bit like bitcrushing, but not quite. > The generated overtones appear to be dependet on the sample rate. > > I am sorry I can not be more specific, there are no kernel messages this time. > > As Mr. Sakamoto recently committed all these changes to firewire he might > be able to identify the issue easily, which is why I'd like to ask him to > look into it. > > Kind regards, > Edmund Raile. > > #regzbot introduced: v6.9.9..v6.10 Fixes included in: * 6.11-rc2 * 6.10.4 * 6.6.45 * 6.1.104 * 5.15.165 Thanks Takashi Sakamoto