[pulseaudio-discuss] No sound on upgrading to Ubuntu 13.04

David Henningsson david.henningsson at canonical.com
Mon Apr 22 02:23:58 PDT 2013

On 04/20/2013 06:03 PM, Paul Hewlett wrote:
> Hi all
> In a fit of madness I upgraded to 13.04 and now my sound on my Nvidia
> card is not recognised.
> The error I get is:
> Apr 20 16:45:44 Feynmann pulseaudio[9714]: [pulseaudio] module.c: Failed
> to load module "module-alsa-card" (argument: "device_id="2"
> name="pci-0000_01_00.1" card_name="alsa_card.pci-0000_01_00.1"
> namereg_fail=false tsched=yes fixed_latency_range=no ignore_dB=no
> deferred_volume=yes use_ucm=no
> card_properties="module-udev-detect.discovered=1""): initialization failed.
> Apr 20 16:45:44 Feynmann pulseaudio[9714]: [pulseaudio] source.c:
> Default and alternate sample rates are the same.
> Apr 20 16:45:44 Feynmann pulseaudio[9714]: [pulseaudio] module.c:
> module-combine is deprecated: Please use module-combine-sink instead of
> module-combine!
> Apr 20 16:45:44 Feynmann pulseaudio[9714]: [pulseaudio]
> module-combine.c: We will now load module-combine-sink. Please make sure
> to remove module-combine from your configuration.
> The error seems to be the identical default and alternate sample rates ....
> Can anyone point me in the right direction on how to change this? I have
> tried 'paman', 'pavucontrol' and others to no avail.
> AFAICS the pulseaudio is configured to use module-udev-detect which in
> turn loads module-alsa-card.
> Any pointers appreciated


...seems to hit a lot of machines recently. I've submitted a fix but it 
is not yet released through the archive.

David Henningsson, Canonical Ltd.

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