Gentoo Archives: gentoo-catalyst

From: Colleen Josephson <cjoseph@×××.edu>
To: gentoo-catalyst@l.g.o
Subject: [gentoo-catalyst] Re: LiveCD: Unpacking Firmware
Date: Mon, 28 Mar 2011 00:01:02
Message-Id: AANLkTimVu0HMvQepWyU-hAUULEeu1FXD7n8ToLVnakHC@mail.gmail.com
In Reply to: [gentoo-catalyst] LiveCD: Unpacking Firmware by Colleen Josephson
1 Update: it seems hotplug/coldplug is the culprit.
2
3 If I disable everything, there is no hum. If I re-enable coldplug
4 (COLDPLUG="yes"), then the hum re-appear.
5
6 What about coldplug could be causing problems? Where should I go from here
7 to solve this problem?
8
9 On Sun, Mar 27, 2011 at 6:31 PM, Colleen Josephson <cjoseph@×××.edu> wrote:
10
11 > I had a question related to the amd64 minimal livecd.
12 >
13 > What exactly is happening at the "Unpacking firmware" stage of the boot
14 > process?
15 > Is there a way to find out exactly what firmware is being loaded? Or a way
16 > to boot without loading the firmware?
17 >
18 > Why? It is a somewhat strange reason. I am having issues with a
19 > high-pitched hum coming from the audio jacks (occurs on both MB sound and a
20 > creative sound card)
21 > I have a very nice sound system (a sound board, studio monitors...I am an
22 > audio hobbyist), and no other system has these problems, so I am relatively
23 > sure that it is not the speakers/cables.
24 >
25 > I have been booting from the liveCD, and I have pinpointed the point at
26 > which the hum starts to something near the *Unpacking firmware stage.
27 > I realize this is somewhat esoteric, but it renders my system almost
28 > useless, and would greatly appreciate any input.
29 >
30 > I did interactive mode. The interactive mode only prompts for some of the
31 > items. Among the items it does not prompt for is the firmware unpacking. It
32 > just goes and does it.
33 >
34 > --
35 > Colleen Josephson
36 > Dept. of Electrical Engineering and Computer Science
37 > Massachusetts Institute of Technology
38 > Class of 2013
39 >
40
41
42
43 --
44 Colleen Josephson
45 Dept. of Electrical Engineering and Computer Science
46 Massachusetts Institute of Technology
47 Class of 2013

Replies

Subject Author
Re: [gentoo-catalyst] Re: LiveCD: Unpacking Firmware Mike Frysinger <vapier@g.o>