[Pkg-alsa-devel] Bug#435624: /etc/init.d/udev restart && udevtrigger restores saved ALSA volume

[Marco d'Itri]

reassign 435624 alsa-base
close 435624
thanks

On Aug 02, Timo Juhani Lindfors <timo.lindfors at iki.fi> wrote:

> 5) sudo udevtrigger; sleep 20
*Never* do this unless you have a very good reason, because it has side 
effects like this one.

> Expected results:
> 6) Volume level does not change in udev restart and is the same as in
>    step 3
> 
> Actual results:
> 3) vol 30, 30, P
> 6) vol 90, 90, P -- Volume is apparently restored to the last saved
>    ALSA volume state.
I have a very simple solution: don't do it then!

> Maybe udev should call "/etc/init.d/alsa-utils stop" too to store the volume levels?
Maybe you should discuss this with the alsa-base maintainers, but I do
not think it should because the remove event would never be generated.

> Google finds that a similar "udev restart resets sound volume" bug was
> fixed in mandriva in 2005:
> 
> http://cvs.mandriva.com/cgi-bin/viewvc.cgi/soft/sound-scripts/alsa.dev?diff_format=u&revision=1.6&view=markup
This would not change anything because no remove event is triggered by
the operations you performed.

-- 
ciao,
Marco
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