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pjp Administrator
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Posted: Fri May 03, 2002 3:53 am Post subject: Yet another sound question |
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Been working on getting sound installed for quite some time now. I _think_ I've got the correct stuff compiled into the kernel. I'm using oss, persistant dma, 100% soundblaster compatibles and awe 32. Those were all options under sound in kernel config and appear to be related to the SB AWE32 ISA card.
I'm following the Sound section of the Desktop Configuration Guide. I've emerged the alsa-driver and done the depmod -a. I have a problem with the next step. Code listing 17 indicates what you are supposed to put into /etc/modules.autoload. This is my problem:
Quote: | You'll want to replace snd-card-emu10k1 with the appropriate sound card for your system. Look in /lib/modules/[kernel version]/misc/ for a list of modules. If you'd like to have OSS compatibility, it's a very good idea to make sure the snd-pcm-oss line is also in there. |
I don't have a misc directory. Here's what I've got:
Code: |
build modules.generic_string modules.parportmap modules.usbmap
kernel modules.ieee1394map modules.pcimap pcmcia
modules.dep modules.isapnpmap modules.pnpbiosmap
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My question is, where do I find the modules I need to load for my soundcard?
Thanks
EDIT: Think I found them under kernel/sound/... now to figure out what to do with them. |
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dArkMaGE Apprentice
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Posted: Fri May 03, 2002 4:10 am Post subject: |
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unfortunately, those instructions are for the .5x series, while gentoo very recently switched to the .9x ones...
to get my alsa stuff to work, first i removed the old oss drivers cuz i had mine compiled in(make sure to leave sound support in general though)
then, edit the /etc/modules.d/alsa file to suit your card (it tells you what line to edit)
finally, add snd-emu10k1 (or whatever your cards driver is) into /etc/modules.autoload
the sound drivers for alsa are now stored in /lib/modules/yourkernelversion/drivers/sound (i believe) and instead of snd-card-whatever its now just snd-whatever
however, to get oss compatability support you can add in the snd-pcm-oss line to /etc/modules.autoload as per the instruction manual
hope this helps |
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pjp Administrator
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Posted: Fri May 03, 2002 4:26 am Post subject: |
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These are the modules I found in the kernel/sound directory. This is the order they load in (all OK).
sound, sb, sb_lib, awe_wave, uart401, snd-pcm-oss
When I run amixer, it reports this: amixer: Mixer attach default error: No such device
At this point, I'm wondering about isapnp or something like that. It is an ISA card, so I'm thinking maybe I need to configure IRQ's etc. |
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pjp Administrator
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Posted: Fri May 03, 2002 6:42 am Post subject: |
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I wouldn't have thought sound would be this much of an issue...
I tried loading stuff as modules. Still no success. Somewhere along the way, snd-pcm-oss (or whatever its called) quit working.
The .o file appears to have disappeared. I went back to loading everything in the kernel. When I start Gnome now, I get an error
message about not being able to open the device. I am in the audio group.
How would I pass settings at boot time to configure the card? |
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salimma n00b
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Posted: Fri May 03, 2002 9:49 am Post subject: you need snd-mixer-oss |
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kanuslupus wrote: | These are the modules I found in the kernel/sound directory. This is the order they load in (all OK).
sound, sb, sb_lib, awe_wave, uart401, snd-pcm-oss
When I run amixer, it reports this: amixer: Mixer attach default error: No such device
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Hullo,
if sound works fine but the mixer does not, that's because you need to load snd-mixer-oss as well.
What I find useful is:
in /etc/modules.conf, have a line:
above name-of-soundcard-module snd-pcm-oss snd-mixer-oss
that will load snd-pcm-oss and snd-mixer-oss above the driver for your sound card (which will automatically have pulled in snd-pcm and snd-mixer) in a pseudo-stack so they will get removed automatically if you try to remove the sound card driver.
Cheers, _________________ Michel |
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pjp Administrator
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Posted: Fri May 03, 2002 8:03 pm Post subject: |
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Salimma: Thanks for the suggestions, but I'm not sure that sound is even working yet. Also, I'm trying to do it in the kernel and without modules.
When I was working with modules, there was never a snd-mixer-oss.o file. I suspect it wasn't part of the modules for my card or something.
As for passing arguments at boot time, I found this in the menuconfig help:
sb=<io>,<irq>,<dma1>,<dma2> We'll see what that does... first attempt of course has failed.
Other than the parameters, is this how it should look?
kernel /boot/bzImage root=/dev/hda4 sb=220,5,1,5
io is the only one i'm not sure how to enter properly... trying 0x220 next
EDIT: using 0x220 seems to have stopped the error when starting gnome. However, amixer still reports the same error.
I guess thats progress. (Now where did I leave that gun? ) ![Laughing :lol:](images/smiles/icon_lol.gif) |
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seb.gauthier n00b
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Posted: Fri May 03, 2002 9:05 pm Post subject: FeedBack |
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Please let us know if you get it working. I'm in the same situation and I have to say I have stopped trying building that kernel again and again ![Embarassed :oops:](images/smiles/icon_redface.gif) |
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Coogee Apprentice
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Posted: Fri May 03, 2002 9:19 pm Post subject: |
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kanuslupus:
Do you want to use the kernel sound drivers or the Alsa sound drivers?
You can not use both. If you want to use the Alsa drivers you have to choose "Sound card support" only (!) in Sound section of kernel config. No further card/etc. adjustments.
Then you have to find out the correct Alsa driver for your card and add it to modules.autoload. More infos in the well-known Gentoo Alsa howto... |
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pjp Administrator
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Posted: Sat May 04, 2002 6:55 am Post subject: |
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Very interesting. Actually, it doesn't matter to me. Is one "better" than the other from a quality standpoint?
I'm thinking Alsa might be updated more frequently than kernel sound, so I'll probably give that a go.
Thanks for the info. |
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Guest
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Posted: Sat May 04, 2002 7:12 am Post subject: |
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Are you referring to the Sound section of the Documentation Guide? |
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pjp Administrator
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Posted: Sat May 04, 2002 7:13 am Post subject: |
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That was me. |
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Coogee Apprentice
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Posted: Sat May 04, 2002 10:08 am Post subject: |
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No, I meant the submenu "Sound" in the Kernel configuration tool (what you get if you "make menuconfig" or "make xconfig"). For Alsa: just enable "Sound card support", nothing else.
Difference between Alsa <-> Kernel sound: Depends on your card: sometimes the quality of Alsa is better than kernel (in my case), sometimes the kernel sound is better. Just try and find out... |
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salimma n00b
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Posted: Sat May 04, 2002 6:34 pm Post subject: |
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kanuslupus wrote: |
When I was working with modules, there was never a snd-mixer-oss.o file. I suspect it wasn't part of the modules for my card or something.
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Ehm. In the kernel's sound configuration, 'OSS modules' have to be enabled. And, When compiling ALSA drivers, make sure you turn on OSS compatibility when running ./configure. Otherwise you won't get snd-mixer-oss.
Not using modules - are you trying to use the kernel's OSS sound drivers then? Ah well.
Regards, _________________ Michel |
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pjp Administrator
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Posted: Sat May 04, 2002 7:34 pm Post subject: |
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Well, I just don't get it. Here's what I configured in make menuconfig:
<*> Sound card support, <M> OSS sound modules, [*] Persistant DMA buffers, [M] 100% Sound Blaster compatibles, [M] AWE32 synth
After that, here's whats in /lib/modules/2.4.19-r1/kernel/drivers/sound/
awe_wave.o sb.o sb_lib.o sound.o uart401.o
Here's my modules.autoload (everything loads with [OK]):
sound
sb
sb_lib
awe_wave
uart401
My aliases file has these settings:
alias snd-card-0 sound
alias snd-card-1 sb
alias snd-card-2 sb_lib
alias snd-card-3 awe_wave
And my devfsd.conf:
LOOKUP snd MODLOAD ACTION snd
LOOKUP dsp MODLOAD
LOOKUP mixer MODLOAD
LOOKUP midi MODLOAD
REGISTER sound/.* PERMISSIONS root.audio 660
REGISTER snd/.* PERMISSIONS root.audio 660
I've emerged the alsa driver and utils. Running /etc/init.d/alsasound start reports [OK].
Next step is to run amixer. This is the error I get:
amixer: Mixer attach default error: No such file or directory
As for kernel vs. modules, I was just trying to get sound working. Kind of like throwing darts blindfolded when you don't know where the target is . When I first ran into this, I just tried loading everything in the kernel to see if it would work. And I hear no sounds.
Thanks for your persistance & patience. |
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Coogee Apprentice
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Posted: Sat May 04, 2002 8:51 pm Post subject: |
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Sorry, didn't read that you got an ISA card.
For ISA you have to configure ISAPNP.
I found this installation howto which is about your card:
http://www.tldp.org/HOWTO/mini/Soundblaster-AWE-3.html
My advice: Get rid of all ISA cards. They can be a real pain in the a.. |
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pjp Administrator
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Posted: Sat May 04, 2002 9:11 pm Post subject: |
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Coogee wrote: | My advice: Get rid of all ISA cards. They can be a real pain in the a.. |
Yeah, I'd like to. Money is tight (i.e., I'm unemployed) so thats on hold. It works, so I've just hung on to it (bought it when it first came out ).
I'm also trying to hold off until Serial ATA comes out so I can build an entirely new system.
I'll check out the URL. Some docs that are included somewhere under a Documentation directory haven't been the best. |
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pjp Administrator
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Posted: Sun May 05, 2002 5:48 am Post subject: |
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I've looked at the URL, but it seems to be unrelated to what I've seen with Gentoo. Modules look different,
and there are steps shown that I've not seen.
May just be that it is beyond me (big shock).
Thanks anyway |
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pjp Administrator
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Posted: Sun May 05, 2002 7:26 am Post subject: |
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Progress? gmix will now load, but no sound. amixer still reports the same error. |
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Coogee Apprentice
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Posted: Sun May 05, 2002 9:48 am Post subject: |
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Ok, the URL is not Gentoo specific, but it is easy to find out what to do:
emerge isapnptools
do a "pnpdump > /etc/isapnp.conf"
edit /etc/isapnp.conf (can't help you here)
add a new init script: "rc-update add isapnp boot" or "rc-update add isapnp default" (don't know what is the correct one)
adapt kernel config (but I think you already did)
reboot
There is also a lot more information about configuring midi etc. but this is not so important for now. |
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pjp Administrator
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Posted: Sun May 05, 2002 6:17 pm Post subject: |
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I've emerged the pnptools, but my card is not PnP. I think I've actually read somewhere that they
shouldn't be used with nonPnP cards (could be mistaken).
And I'm new enough to linux that converting the instructions to Gentoo is not within my grasp. When
I read them, I did not see the paralell into Gentoo. I had done what you suggested though.
I'm going to dig up another sound card. Maybe its PnP, but I don't think its as good. Oh well, if it
works, it'll do until I can afford something decent.
I certainly appreciate everyones efforts. I may keep at it, but for now I've had enough failure
with this card . |
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MarkG Tux's lil' helper
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Posted: Sun May 05, 2002 7:41 pm Post subject: |
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I've successfully configured a ISA SB16 on a number of Linux distributions from Redhat 4 to Mandrake 8.1. If your card is the same when you do a "pnpdump > /etc/isapnp.conf" you'll see things talking about Sound Blaster and Joystick in the file, then it should be a case of multi choice. I've found in the past it work to copy the IRQ and memory addresses from the ones windows uses (at this point you point out you've wiped out your windows installation like me). I haven't tried configuring my SB under Gentoo as it's in a machine that's a firewall and print server so I never sit at it. I might just do it now to see how difficult it is...
MarkG |
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pjp Administrator
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Posted: Sun May 05, 2002 7:51 pm Post subject: |
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MarkG:
So isapnp.conf will work with non PnP cards? I thought I had read it wouldn't, probably something I misunderstood.
My isapnp.conf file has a bunch of lines remarked out that look like this:
# Trying port address 03f3
Then, the last line is:
# No boards found
None of the lines match the addresses for my card... for whatever reason, I didn't think I should put different settings
in there. I'll try putting 0220 on a line by itself... maybe thats the trick. |
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pjp Administrator
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Posted: Sun May 05, 2002 8:44 pm Post subject: |
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isapnp.conf is quite complicated. I did discover this though... more /proc/ioports
0220-022f : soundblaster
0330-0333 : MPU-401 UART
0620-0623 : sound driver (AWE32)
0a20-0a23 : sound driver (AWE32)
0e20-0e23 : sound driver (AWE32)
That suggests my card was recognized somehow. 0x0388 seems to be missing though. I say missing because Win 2K Pro reported it.
Under Win, 0x0388 was grouped with 0220 and 0330, while 0620, 0a20 and 0e20 were grouped together. |
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MarkG Tux's lil' helper
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Posted: Mon May 06, 2002 7:59 am Post subject: |
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Sorry I think I gave you a bit of a bum steer there I just check the output from pnpdump and it seems I don't have the card I thought I had. From pnp dump:
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# Card 2: (serial identifier 5c 05 69 b6 31 c5 00 8c 0e)
# Vendor Id CTL00c5, Serial Number 90814001, checksum 0x5C.
# Version 1.0, Vendor version 1.0
# ANSI string -->Creative SB AWE64 PnP<--
# Vendor defined tag: 73 02 45 01
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Sorry, next time I'll check before giving advice
MarkG |
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pjp Administrator
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Posted: Mon May 06, 2002 1:39 pm Post subject: |
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No problem, I learned something new which is always worth it. I'm giving up on this card. I have an AWE64 as well.
It too is ISA, but at least it is PnP. Hoping to get that installed in a day or so.
Thanks for the help folks. |
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