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nss
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PostPosted: Sat Aug 26, 2006 3:46 am    Post subject: Sound Tibook Reply with quote

I'm running 2.6.27-gentoo-r4 on a tibook (powerbook iv) and am having trouble getting sound to work. AFAIK, the kernel is compiled properly with built-in i2c support and alsa according to the ppc faq. I can't find any errors related to audio play so I don't know where to start to troubleshoot. I know I haven't given very much info but I can post my dmesg and emerge --info if that will help. Do I need any alsa packages (like alsa-utils) installed from portage? I have alsa in my USE flags.

On a side note. I've been meaning to
Code:
emerge -e system
since my glibc and gcc upgrades. Is there a real benefit to doing this? I was thinking it might smooth things out and help me get a few kinks out.
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PostPosted: Sat Aug 26, 2006 8:37 am    Post subject: Reply with quote

Hello Bobotoes,

If you followed the instructions from the ppc faq then give us the output
of 'lsmod' (you may need to be root for that one). Other than that, did
you check that your channels were unmutted with alsamixer or any other
mixer programs? Last, do you use kde? And if yes, do you use arts?

For your other questions. Some people seem to think that doing "emerge -eD world"
improves performance at this stage but this is a bit subjective. There is a
chance of a few things compiled with g++ having linking problems.
Unless you really have time to waste, and/or you are an update junky (that
would be me :lol: ) you really shouldn't bother and deals with problems as they
happen.
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nss
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PostPosted: Sat Aug 26, 2006 4:41 pm    Post subject: Reply with quote

Code:
# lsmod
Module                             Size    Used by

I have not yet installed a sound mixer or similar app. Is it necessary to? I don't remember having one the last time I had gentoo running well on this computer. I always just used the volume keys to adjust sound level. I do not use KDE and arts is removed from my USE flags.
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PostPosted: Sat Aug 26, 2006 11:27 pm    Post subject: Reply with quote

bobotoes wrote:
Code:
# lsmod
Module                             Size    Used by

I have not yet installed a sound mixer or similar app. Is it necessary to? I don't remember having one the last time I had gentoo running well on this computer. I always just used the volume keys to adjust sound level. I do not use KDE and arts is removed from my USE flags.


A mixer is need to unmute the channels I think. Alsaconf may do that as well. Anyway you
usually use a mixer to set the volume on the various channels, I recommend alsamixer
on the command line (part of alsa-utils) or aumix for gui.

Now it looks like you have no modules, let alone sound modules loaded at all. Unless you
didn't post the relevant part. Did you compile the sound components as modules?
If so can you try (as root)
Code:
modprobe snd_powermac
and post the result of lsmod again.

I am assuming that you don't use the aoa modules for the newer macs here, tell me if am wrong.
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PostPosted: Sun Aug 27, 2006 5:35 pm    Post subject: Reply with quote

I did not compile anything sound-related as a module. Everything was compiled "directly" (* not M). My lsmod output from my last post is entirely correct. Your assumption is correct. I am not using the aoa modules of the newer macs. I haven't tried the mixer yet. I don't think I had one in the past but I'll give it a shot.
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PostPosted: Tue Aug 29, 2006 12:10 pm    Post subject: Reply with quote

Any progress?
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nss
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PostPosted: Wed Aug 30, 2006 8:40 pm    Post subject: Reply with quote

After emerging alsa-utils, I am able to adjust the volume. I also emerged pbbuttonsd, enabling adjustment through the sound keys on the keyboard. Thanks for the help.

Two more "big" issues at present I'd like to tackle: x11-libs/fox won't compile, need first gen java vm
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PostPosted: Wed Aug 30, 2006 10:56 pm    Post subject: Reply with quote

"first generation java vm" that's terminology used by the new java
system that is in unstable. If you installed the ibm-jdk-bin-1.4.2 as
we talked in an oher thread that constitute a first generation java vm.
If x11-libs/fox require the new java system and you are keen to test it,
you should have a look here.
You don't need a second generation java vm at this stage I would guess.
I have had a go at it on x86 but I don't know the status on ppc.
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