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Ticket Resolution Summary Owner Reporter
#5445 fixed ALSA makes sound distorted tolga
Description

Hello,

I've been using 3.0.10 for a while and my Windows sounds come out distorted. I changed the sound driver to use OSS and the distortion is gone.

#7734 duplicate ALSA: Failed to apply audio parameters Bryan Moffit
Description

This is a bug report for 3.2.11 r67891 (test build provided by michael: http://www.virtualbox.org/ticket/7733#comment:4)

Audio fails for Linux client. VBox.log's attached for 3.2.10 r66523 (working audio) and 3.2.11 r67891 (audio fails).

#16667 fixed ALSA: Failed to open "default" as output device: No such file or directory mrbumpy409
Description

Today my VirtualBox package was upgraded from version 5.1.18-114002~Ubuntu~xenial to 5.1.20-114628~Ubuntu~xenial. Now when I try to launch a virtual machine with the host audio driver set to "ALSA Audio Driver", I get an error message from VirtualBox with the following details:

No audio devices could be opened. Selecting the NULL audio backend with the consequence that no sound is audible.

Error ID: 
HostAudioNotResponding
Severity: 
Warning

The log file (attached) shows:

00:00:00.839799 ALSA: Failed to open "default" as input device: No such file or directory
00:00:00.840590 ALSA: Failed to open "default" as input device: No such file or directory
00:00:00.841414 ALSA: Failed to open "default" as output device: No such file or directory
00:00:00.842197 ALSA: Failed to open "default" as output device: No such file or directory

This is happening on both of my linux systems. Here are their details:

System 1:

  • OS: KDE Neon 5.9.4 64-bit (Plasma Desktop 5.9.4, KDE Frameworks 5.33.0, Qt 5.7.1)
  • CPU: Intel Core i7 930 (2.8 GHz quad-core)
  • RAM: 12GB DDR3
  • Video: NVIDIA GeForce GTX 970 w/ 4GB RAM (PCI Express)
  • Sound Card 1: Sound Blaster Audigy 2 ZS Gold
  • Sound Card 2: Echo Gina3G
  • Linux Kernel: 4.8.0.46-generic
  • NVIDIA video driver: 375.39

System 2:

  • OS: KDE Neon 5.9.4 64-bit (Plasma Desktop 5.9.4, KDE Frameworks 5.33.0, Qt 5.7.1)
  • PC: HP Pavilion m6-1035dx
  • CPU/GPU: AMD A10-4600M APU with Radeon HD 7660G Graphics (using xorg radeon driver)
  • RAM: 6GB DDR3 800 MHz
  • Linux Kernel: 4.8.0.46-generic
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