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No sound in Flash - "(snd_pcm_dmix_open) unable to open slave"

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Hello fellow Suse users.

I am using the latest OpenSUSE factory snapshot, kernel version 3.16.1-2.g2ab6585-desktop. When I attempt to watch Youtube video, no sound comes out of it. Standard out of Firefox says:

Code:

Failed to open VDPAU backend libvdpau_nvidia.so: cannot open shared object file: No such file or directory
ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave

lspci lists two audio controllers:

Code:

00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller (rev 05)


In KDE audio settings, there are two audio playback devices, one named "Built-in audio analog stereo", the other one is called "Built-in audio analog stereo (HDMI)". In Audio Hardware Setup page, I can hear test sound from both sound devices.

In Yast sound configuration, there are two configured cards - Index 0 is "Haswell HD audio controller", and index 1 is "Lynx Point high definition audio controller". Both are using "snd-hda-intel" driver.

Other audio playback/editing softwares work just fine - Flash seems to be the only software with no sound.

Any bright ideas? Many thanks!

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