Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: Continuous beeping with kernel 3.10 and 3.11
Date: Tue, 15 Oct 2013 12:58:46
Message-Id: 525D3BF4.9030008@gmail.com
In Reply to: [gentoo-user] Re: Continuous beeping with kernel 3.10 and 3.11 by Peter Weilbacher
1 On 15/10/2013 14:44, Peter Weilbacher wrote:
2 > On 2013-09-26 14:42, Peter Weilbacher wrote:
3 >> On one of my machines, I get continuous beeping from the internal
4 >> loudspeaker when I boot a newer kernel (I'm using vanilla-sources). I
5 >> first had that with 3.10.8 and also with 3.10.10, and it continues
6 >> with 3.11.1.
7 > [...]
8 >> In the meantime I left the machine on long enough to discover that it
9 >> stops beeping whenever it is idle long enough and blanks the display.
10 >
11 > Well, this is embarrassing: Since this began I switched the machine on
12 > even less often than before, but yesterday I found out by chance that
13 > the sound did not come from the internal speaker but from the speakers
14 > built into my screen. Now I traced it to the snd-hda-intel kernel module
15 > (noise there if loaded, sound gone when removed with |modprobe -r|).
16 >
17 > Why was the sound never heard on bootup in 3.8.x kernels but is starting
18 > with 3.10.1?
19
20 3.8.x defaults to $VOL=$MINIMUM
21
22 while
23
24 3.10.x defaults to $VOL=$SOMETHING_NOT_MINIMAL
25
26 ??
27
28 or maybe the audio feed to snd-hda-intel was busted for years and some
29 kind soul fixed it in 3.10?
30
31
32 Diff the drivers in the kernel sources to find out more :-)
33
34
35
36
37 >
38 > Peter.
39 >
40 > P.S.: At least now I know that the easy workaround is to tune the
41 > (hardware) speaker volume down to 0...
42 >
43
44
45 --
46 Alan McKinnon
47 alan.mckinnon@×××××.com