Re: [gentoo-user] Re: Continuous beeping with kernel 3.10 and 3.11

[Alan McKinnon <alan.mckinnon@gmail.com>]

On 15/10/2013 14:44, Peter Weilbacher wrote:
> On 2013-09-26 14:42, Peter Weilbacher wrote:
>> On one of my machines, I get continuous beeping from the internal
>> loudspeaker when I boot a newer kernel (I'm using vanilla-sources). I
>> first had that with 3.10.8 and also with 3.10.10, and it continues
>> with 3.11.1.
> [...]
>> In the meantime I left the machine on long enough to discover that it
>> stops beeping whenever it is idle long enough and blanks the display.
> 
> Well, this is embarrassing: Since this began I switched the machine on
> even less often than before, but yesterday I found out by chance that
> the sound did not come from the internal speaker but from the speakers
> built into my screen. Now I traced it to the snd-hda-intel kernel module
> (noise there if loaded, sound gone when removed with |modprobe -r|).
> 
> Why was the sound never heard on bootup in 3.8.x kernels but is starting
> with 3.10.1?

3.8.x defaults to $VOL=$MINIMUM

while

3.10.x defaults to $VOL=$SOMETHING_NOT_MINIMAL

??

or maybe the audio feed to snd-hda-intel was busted for years and some
kind soul fixed it in 3.10?


Diff the drivers in the kernel sources to find out more :-)




> 
>    Peter.
> 
> P.S.: At least now I know that the easy workaround is to tune the
> (hardware) speaker volume down to 0...
> 


-- 
Alan McKinnon
alan.mckinnon@gmail.com