Comments (5)
@synthor the problem is with Adobe's 27.0.0.130-1 update. They introduced new "sound features" that messes with usb audio installs. Chromium and Chrome have different sound APIs so these are not affected -- only NPAPI installs are affected. Adobe has said they plan to release a new version on the 10th which reverts sound changes to version 26-levels (but expect another week probably to see it finally appear in your favourite repo.) NPAPI has long been criticized as being slow, buggy, and insecure (Mozilla's own words) so the day when Mozilla finally kills it off in 2020 can't come soon enough.
Closing.
from alsa.
I'm sorry but I can't help you with this particular problem. I'm sure the folks at alsa-dev would be interested in a potential alsa bug, if one exists, or may be able to suggest a solution...
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
from alsa.
Hey folks,
quite funny catch here. I was wondering why the adobe-flashplugin from the Canonical partner program doesn't play audio in Firefox while it works in Chromium.
This afternoon I connected my Focusrite usb interface to my laptop and struggled with getting it to play sound first. I noticed this in the syslog
x@x:~$ sudo grep sink /var/log/syslog
Oct 6 17:15:30 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-util.c: Got POLLNVAL from ALSA
Oct 6 17:15:30 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-util.c: Could not recover from POLLERR|POLLNVAL|POLLHUP with snd_pcm_prepare(): Kein passendes Gerät gefunden
Oct 6 17:21:04 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-util.c: Got POLLNVAL from ALSA
Oct 6 17:21:04 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-util.c: Could not recover from POLLERR|POLLNVAL|POLLHUP with snd_pcm_prepare(): Kein passendes Gerät gefunden
Oct 6 22:23:32 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-sink.c: ALSA weckte uns auf, um neue Daten auf das Gerät zu schreiben, doch es gab nichts zum Schreiben!
Oct 6 22:23:32 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-sink.c: Dies ist höchstwahrscheinlich ein Fehler im ALSA-Treiber 'snd_usb_audio'. Bitte melden Sie diesen Fehler den ALSA-Entwicklern.
Oct 6 22:23:32 x pulseaudio[x]: [alsa-sink-USB Audio] alsa-sink.c: Wir wurden durch das POLLOUT-Set geweckt, allerdings lieferte ein anschliessender snd_pcm_avail() den Wert 0 oder einen anderen Wert < min_avail.
After pulseaudio -k the Focusrite works as usual.
Maybe there's a connection between those bugs? I was wondering about weird problems the last days which never ocurred before in years.
from alsa.
Thx for all the info mate. Saves me a lot of wasted time spent searching for a solution. 🥇
from alsa.
@mr-blobbyyy yes, good to know and thanks for your response, certainly beats my boilerplate "you'll have to ask on the alsa mailing-list" answer.
from alsa.
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from alsa.