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Old 06-28-2013, 06:38 PM   #1
AndyInMokum
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Registered: Jun 2013
Location: Amsterdam, The Netherlands
Distribution: Crunchbang 11 "Waldorf"
Posts: 53

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Cannot get the sound to work on a new install of Ubuntu 12.04 LTS PPS


Hi all from Amsterdam

I've just installed Ubuntu 12.04 LTS PPC to my aging 15" Mac PowerBook, (build April 2004) as a last ditch solution to its redundancy. I tried Lubuntu 13.04 ppc as the preferred installation and very quickly came to the decision that it was so riddled with bugs that as an average user, it wasn't worth pursuing. So I ditched that as a waste of time and effort. I've managed to install Ubuntu 12.04 LTS PPS and strangely, it appears to be working a lot better and faster than it's Lubuntu sibling. However, there is no sound. Alsamixer is just not there. I've used the terminal to check and it tells me no file or directory.

This is what I have tried so far as dirrected by the Ubuntu Wiki help. https://wiki.ubuntu.com/PowerPCFAQ#W...ve_no_sound.3F.

Checking for alsamixer in terminal:


andyinmokum@andyinmokum-laptop:~$ sudo alsamixer
[sudo] password for andyinmokum:
cannot open mixer: No such file or directory
andyinmokum@andyinmokum-laptop:~$


Checking lsmod:


andyinmokum@andyinmokum-laptop:~$ lsmod
Module Size Used by
radeon 804604 0
ttm 69558 1 radeon
drm_kms_helper 39474 1 radeon
drm 216156 3 radeon,ttm,drm_kms_helper
dm_crypt 19155 1
btusb 14060 2
arc4 1357 2
b43 368242 0
mac80211 473195 1 b43
rtc_generic 1363 0
mac_hid 3789 0
cfg80211 192425 2 b43,mac80211
bnep 12554 2
rfcomm 42291 12
bluetooth 182084 23 btusb,bnep,rfcomm
parport_pc 37386 0
ppdev 7758 0
lp 9123 0
parport 37912 3 parport_pc,ppdev,lp
pcmcia 41860 0
yenta_socket 25370 0
pcmcia_rsrc 10259 1 yenta_socket
bcma 26036 1 b43
pcmcia_core 16855 3 pcmcia,yenta_socket,pcmcia_rsrc
apm_emu 1424 0
apm_emulation 7231 2 apm_emu
snd_powermac 66397 0
snd_pcm 88810 1 snd_powermac
snd_seq_midi 5452 0
snd_rawmidi 23692 1 snd_seq_midi
snd_seq_midi_event 7251 1 snd_seq_midi
snd_seq 61181 2 snd_seq_midi,snd_seq_midi_event
snd_timer 23955 2 snd_pcm,snd_seq
snd_seq_device 6920 3 snd_seq_midi,snd_rawmidi,snd_seq
snd 71315 6 snd_powermac,snd_pcm,snd_rawmidi,snd_seq,snd_timer ,snd_seq_device
soundcore 7871 1 snd
snd_page_alloc 7388 1 snd_pcm
usbhid 42303 0
hid 85152 1 usbhid
firewire_ohci 36642 0
firewire_core 61172 1 firewire_ohci
sungem 32153 0
sungem_phy 12068 1 sungem
crc_itu_t 1483 1 firewire_core
ssb 51915 1 b43
uninorth_agp 7650 1




Note: snd_powermac 66397 0


So snd_powermac is not being used.


Checked: “automatic setup with modprobe:


# /etc/modules: kernel modules to load at boot time.
#
# This file contains the names of kernel modules that should be loaded
# at boot time, one per line. Lines beginning with "#" are ignored.
snd_powermac
apm_emu
snd-powermac
therm_adt746x


Note:
snd-powermac is already present in the list.




[ Read 9 lines ]
^G Get Help ^O WriteOut ^R Read File ^Y Prev Page ^K Cut Text ^C Cur Pos
^X Exit ^J Justify ^W Where Is ^V Next Page ^U UnCut Text^T To Spell


This leaves the inherited Debian bug. So this Blacklist was created

GNU nano 2.2.6 File: /etc/modprobe.d/blacklist.local.conf

# Local module settings
# Created by the Debian installer

blacklist snd-aoa-codec-tas
blacklist snd-aoa-fabric-layout
blacklist snd-aoa-i2sbus
blacklist snd-aoa-soundbus
blacklist snd-aoa











[ Read 8 lines ]
^G Get Help ^O WriteOut ^R Read File ^Y Prev Page ^K Cut Text ^C Cur Pos
^X Exit ^J Justify ^W Where Is ^V Next Page ^U UnCut Text^T To Spell

Saved using ctrl+o. Exited and rebooted Ubuntu. Still no sound or alsamixer. Tested with Rhythmbox, sound setting output indicated dummy output. Im really new to Linux and Iv run out of ideas. Other than the sound, the old Mac is running like a top. My main computer is Fujitsu Siemens Li 3710 laptop with Linux Mint Debian Edition. So easy to install and configure. A real joy to use. Ubuntu 12.04 ppc is a different story. I hope enough info has be provided. Any help would be really appreciated.

Futher info:

I have downloaded and installed through the synaptic package manager alsamixer and gnome-alsamixer. The alsamixer now shows up and can be activated and appears to be working everything is unmuted. Still the output is showing, "play sound through Dummy output". I hope this helps.

Last edited by AndyInMokum; 06-28-2013 at 07:44 PM. Reason: Futher info
 
Old 06-29-2013, 09:34 AM   #2
adelabarra
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Location: Argentina
Distribution: Debian, Slackware
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May be it is directed to an inexistent or unused output.
Check the sound board address...?
 
Old 06-29-2013, 04:59 PM   #3
AndyInMokum
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Registered: Jun 2013
Location: Amsterdam, The Netherlands
Distribution: Crunchbang 11 "Waldorf"
Posts: 53

Original Poster
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Quote:
Originally Posted by adelabarra View Post
May be it is directed to an inexistent or unused output.
Check the sound board address...?
Greetings from Amsterdam.

Thanks for getting back to me. I have solved the problem. It was a bug in the Debian kernel. I had to blacklist some items to bypass the problem, It is running beautifully now. Lots of sound. I will post the solution tommorow. It could be very useful for other people.

Thanks again and have a great weekend.
 
Old 11-19-2013, 09:27 AM   #4
tigerton
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Registered: Nov 2013
Posts: 24

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Code:
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