** Description changed: + [Impact] + + * Users of Studio Controls, specifically Ubuntu Studio users using + Firewire audio interfaces, are running into issues where using Studio + Controls to switch to the FFADO driver as provided by libffado (as + opposed to the ALSA firewire driver) are unable to do so. + + * The dropdown menu in Studio Controls that switches between the two is + supposed to add a blacklist item into /etc/modprobe.d to blacklist the + ALSA Firewire driver, which is in direct conflict with the FFADO driver + required by some Firewire audio interfaces and must be blacklisted. + Currently, this dropdown menu has no effect. + + * The uploaded package fixes this by refactoring the copying mechanism. + This has already been fixed in a future release of Studio Controls. + + [Test Plan] + + * Launch Studio Controls + + * In the System Tweaks tab, switch "FireWire Module select (reboot to + switch):) menu to "Use FFADO FireWire Modules" + + * Reboot + + * Login, launch Studio Controls + + * Notice FireWire Module Select is back on ALSA. + + * 'ls /etc/modprobe.d/' will not show 'blacklist-studio.conf' + + * Expected behavior: FireWire Module select should be on FFADO and + 'blacklist-studio.conf' should exist in '/etc/modprobe.d/' + + [Where problems could occur] + + * Although great care has been taken to avoid this, the 'blacklist-studio.conf' file could get stuck and remain blacklisting ALSA firewire modules. If this does cause such a regression, a further upload will fix this. However, this is unlikely as it merely invokes code that was not being invoked before that already existed as this is merely correcting a regression. + + [Other Info] + + * Original Description: + Choosing the drop-down to switch the FireWire module from ALSA to FFADO doesn't appear to actually do anything. No blacklist-studio.conf file ever gets created in /etc/modprobe.d. ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: studio-controls 2.3.1-0ubuntu1 ProcVersionSignature: Ubuntu 5.15.0-24.24-lowlatency 5.15.30 Uname: Linux 5.15.0-24-lowlatency x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu82 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: KDE Date: Thu Apr 21 20:07:06 2022 InstallationDate: Installed on 2022-04-20 (1 days ago) InstallationMedia: Ubuntu-Studio 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1) PackageArchitecture: all SourcePackage: studio-controls UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1969827 Title: Studio Controls doesn't actually switch to FFADO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/studio-controls/+bug/1969827/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
