On Thursday 29 Dec 2016 12:26:23 Corbin Bird wrote: > On 12/29/2016 07:21 AM, Mick wrote: > > Hi All, > > > > My sound has been behaving erratically for a while now, probably since > > pulseaudio started being shipped with various desktop applications. This > > is what I am talking about: > > > > Sound level undesirable > > ============== > > Kmail pops up a warning and the sound level is 100%. The first time. On > > the second warning when it happens a couple of seconds later, the sound > > level is back down to normal levels, say 55%. Without me interfering > > with any audio settings. > > > > Some time later another warning pops up and this time the sound may be > > normal, a second warning a couple of seconds later may be back to 100%. > > It appears to me as if sound levels generated by dekstop/application > > warnings are adjusted dynamically on the fly and at will, but not my will > > ... > > > > Non-KDE applications, e.g. Pidgin bleep at top volume when IMs are > > sent/received. Adjusting their volume thankfully sticks, at least for the > > desktop session in question. > > > > > > Alsamixer > > ====== > > > > Running alsamixer shows: > > Card: PulseAudio > > Chip: PulseAudio > > > > with a single Master bar for adjusting the volume. Selecting F6 shows > > Sound Card set to (default), with 'HDA Intel MID' and 'HDA ATI HDMI' > > below it. When I select 0 for 'HDA Intel MID' I get all my familiar > > alsamixer settings back including Master, Headphones, Speaker, PCM, Mic, > > etc. > > > > Adjusting these allow me to arrive at sane volume levels as used to be the > > case in the past. However, the annoying thing is these settings do not > > stick between reboots. > > > > > > On another laptop with a different audio card, things are even stranger. > > The card pops/crackles at boot time, but all sound is dead unless and > > until I run alsactl init. Then if the sound gets quite loud, e.g. the > > other side of a Skype call raises their voice above a certain level, all > > sound is lost until I run alsactl init again. This is becoming tedious > > to say the least. > > > > > > Have you noticed anything similar to either of the above problems ? What > > may be causing these problems and are there any fixes/workarounds? I > > honestly can't recall sound ever being such a pain on my systems. > > Link : > > https://wiki.gentoo.org/wiki/ALSA > > The link above is a good way to start. ( troubleshooting as well ) > Gentoo has a boot shell script that does the "alsactl init" and shutdown > for you. ( media-sound/alsa-utils ) > Just be sure you also take a look at "/etc/modprobe.d/alsa.conf" and > make the required changes there as well.
Thank you Corbin, I've already been through the article and my alsa.conf has been working happily for years. This is a relatively recent problem though and I haven't found anything in the article that mentions these symptoms or addresses the problems I described above. -- Regards, Mick
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