I close this. The bug disappeared after several shutdowns (not the two first ones).
** Changed in: alsa-driver (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1384802 Title: [USB-Audio - DigiHug USB Audio, playback] No sound at all Status in “alsa-driver” package in Ubuntu: Invalid Bug description: Since apt-get upgrading, my USB Fiio E10 Olympus outputs no sound on Ubuntu 14.10. However, I was able to hear the two signals from ubuntu-bug -s audio. Another USB audio device (a logitech headphone) works fine. ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: alsa-base 1.0.25+dfsg-0ubuntu4 ProcVersionSignature: Ubuntu 3.13.0-38.65-generic 3.13.11.8 Uname: Linux 3.13.0-38-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bhajduk 2814 F.... pulseaudio /dev/snd/controlC1: bhajduk 2814 F.... pulseaudio CurrentDesktop: Unity Date: Thu Oct 23 18:05:59 2014 InstallationDate: Installed on 2012-05-03 (903 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425) PackageArchitecture: all SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:Audio successful Symptom_Card: DigiHug USB Audio - DigiHug USB Audio Symptom_DevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: bhajduk 2814 F.... pulseaudio /dev/snd/controlC1: bhajduk 2814 F.... pulseaudio Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: No sound at all Title: [USB-Audio - DigiHug USB Audio, playback] No sound at all UpgradeStatus: Upgraded to trusty on 2014-04-22 (184 days ago) dmi.bios.date: 05/28/2011 dmi.bios.vendor: Dell Inc. dmi.bios.version: A05 dmi.board.name: 06D7TR dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 6 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA05:bd05/28/2011:svnDellInc.:pnOptiPlex990:pvr01:rvnDellInc.:rn06D7TR:rvrA00:cvnDellInc.:ct6:cvr: dmi.product.name: OptiPlex 990 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1384802/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp