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x86processor
n00b
Joined: 07 Apr 2004
Posts: 14
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 Posted: Sun Apr 18, 2004 4:41 am Post subject: no sound, 2.6.5-mm1 on x86 |
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Hi!
I have installed Gentoo 1.4 with kernel sources 2.6.5-mm1on my Thinkpad T41. Installation documentation available here (http://www.rit.edu/~sak5991/gentoofreebsd.html).
I am trying to configure the sound. The kernel is detecting my sound, as seen from the output of
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#cat /proc/pci | grep audio
Multimedia audio controller: Intel Corp. 82801DB AC'97 Audio Controller (Rev 1)
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I had SuSE 9 earlier and this is the lsmod output (showing sound drivers loaded)
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Module Size Used by Tainted: P
snd-pcm-oss 45152 0 (autoclean)
snd-mixer-oss 13400 0 (autoclean) [snd-pcm-oss]
ipv6 209824 -1 (autoclean)
key 63256 0 (autoclean) [ipv6]
driverloader 125868 1
videodev 5696 0 (autoclean)
isa-pnp 30664 0 (unused)
speedstep-centrino 2600 0 (unused)
snd-intel8x0 19492 0
snd-pcm 65124 0 [snd-pcm-oss snd-intel8x0]
snd-timer 15040 0 [snd-pcm]
snd-ac97-codec 39512 0 [snd-intel8x0]
thermal 6148 0 (unused)
snd-page-alloc 6004 0 [snd-intel8x0 snd-pcm]
processor 8248 0 [thermal]
snd-mpu401-uart 3584 0 [snd-intel8x0]
snd-rawmidi 14080 0 [snd-mpu401-uart]
fan 1472 0 (unused)
snd-seq-device 4048 0 [snd-rawmidi]
button 2380 0 (unused)
snd 35172 0 [snd-pcm-oss snd-mixer-oss
snd-intel8x0 snd-pcm snd-timer snd-ac97-codec snd-mpu401-uart snd-rawmidi
snd-seq-device]
battery 5600 0 (unused)
soundcore 3588 0 [snd]
ac 1664 0 (unused)
keybdev 1996 0 (unused)
mousedev 4084 0 (unused)
joydev 5120 0 (unused)
evdev 3584 0 (unused)
input 3360 0 [keybdev mousedev joydev evdev]
usb-uhci 22224 0 (unused)
ehci-hcd 16588 0 (unused)
usbcore 58668 1 [usb-uhci ehci-hcd]
raw1394 16592 0 (unused)
ieee1394 183332 0 [raw1394]
af_packet 12208 2 (autoclean)
e1000 63716 1
ide-scsi 10000 0
scsi_mod 97108 1 [ide-scsi]
ide-cd 29664 0
cdrom 26752 0 [ide-cd]
lvm-mod 62628 0 (autoclean)
dm-mod 42096 0 (unused)
reiserfs 200084 1
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Now, on Gentoo, I have all these drivers (except soundcore) in /lib/modules/2.6.5-mm1/kernel/sound/pci
When I do, modprobe snd-intel8x0 all the above sound drivers get loaded, except for "soundcore". The output of lsmod in Gentoo:
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Module Size Used by
snd_intel8x0 29352 0
snd_ac97_codec 56324 1 snd_intel8x0
snd_pcm 79652 1 snd_intel8x0
snd_timer 20484 1 snd_pcm
snd_page_alloc 9220 2 snd_intel8x0,snd_pcm
gameport 3712 1 snd_intel8x0
snd_mpu401_uart 5760 1 snd_intel8x0
snd_rawmidi 19360 1 snd_mpu401_uart
snd_seq_device 6536 1 snd_rawmidi
snd 44772 7 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
radeon 125380 0
agpgart 27432 0
uhci_hcd 27932 0
ohci_hcd 17692 0
ehci_hcd 24072 0
driverloader 145836 0
usbcore 88756 5 uhci_hcd,ohci_hcd,ehci_hcd
e1000 79116 0
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So, I tried loading the soundcore module, but, it returned FATAL: no module found. I have built-in module support for the drivers and alsa in /usr/src/linux/.config. dmesg shows the following:
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PCI: Setting latency timer of device 0000:00:1f.5 to 64
intel8x0_measure_ac97_clock: measured 49451 usecs
intel8x0: clocking to 48000
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I tried increasing the volume in xmms and playing an .mp3 file, it said:
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"Please check that
Your soundcard is configured properly
You have the correct output plugin selected
No other progress is blocking the soundcard
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Any help will be very useful.
Thanks,
x86 |
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meowsqueak
Veteran
Joined: 26 Aug 2003
Posts: 1549
Location: New Zealand
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| Posted: Sun Apr 18, 2004 4:44 am Post subject: |
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| Check the relevant device nodes in /dev are set to 'group audio rw' and you are part of the audio group yourself? |
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x86processor
n00b
Joined: 07 Apr 2004
Posts: 14
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| Posted: Mon Apr 19, 2004 1:22 am Post subject: |
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None of the users were part of the audio group, so I have now added the "shaks" user to audio group. I have also changed the /dev/sound and /dev/snd settings to group audio and file permissions are set to rw. Here is the output:
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#ls -l /dev/snd
total 0
crw------- 1 shaks audio 116, 0 Dec 31 1969 controlC0
crw------- 1 shaks audio 116, 24 Dec 31 1969 pcmC0D0c
crw------- 1 shaks audio 116, 16 Dec 31 1969 pcmC0D0p
crw------- 1 shaks audio 116, 25 Dec 31 1969 pcmC0D1c
crw------- 1 shaks audio 116, 26 Dec 31 1969 pcmC0D2c
crw------- 1 shaks audio 116, 27 Dec 31 1969 pcmC0D3c
crw------- 1 shaks audio 116, 20 Dec 31 1969 pcmC0D4p
crw------- 1 shaks audio 116, 33 Dec 31 1969 timer
#ls -l /dev/sound
total 0
#ls -ld /dev/snd
drwxr-xr-x 1 root audio 0 Dec 31 1969 /dev/snd
#ls -ld /dev/sound
drwxr-xr-x 1 root audio 0 Dec 31 1969 /dev/sound
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I am still getting the following error when I play xmms:
""Please check that
Your soundcard is configured properly
You have the correct output plugin selected
No other progress is blocking the soundcard"
Am I missing something?
x86 |
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x86processor
n00b
Joined: 07 Apr 2004
Posts: 14
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| Posted: Mon Apr 19, 2004 5:06 am Post subject: |
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Ok, I have it working. This is my documentation:
Opened alsa-guide webpage:
http://www.gentoo.org/doc/en/alsa-guide.xml
Under Installation,
I skipped kernel modules, as I already had the sound modules installed and compiled in my 2.6 kernel, and hence moved to configuration of ALSA modules.
emerged alsa-utils:
Didn't change anything in /etc/modules.d/alsa except added my sound card as:
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alias snd-card-0 snd-intel8x0
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The mixer, dsp and midi settings for were already uncommented.
Saved the file and did:
The sound settings were properly configured already in /etc/devfsd.conf
I started alsa,
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# /etc/init.d/alsasound start
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It started fine, but, had to unmute master and PCM:
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# amixer set Master 100 unmute
# amixer set PCM 100 unmute
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I tested if sound worked by playing pop.wav:
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#aplay $KDEDIR/share/sounds/pop.wav
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and it played the "pop" sound 
So, I decided to add alsa to startup boot,
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#rc-update add alsasound boot
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Thanks,
x86 |
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!db!
Apprentice
Joined: 25 Nov 2003
Posts: 172
Location: A frozen, barren wasteland
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| Posted: Sat Jul 03, 2004 3:03 pm Post subject: |
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| I just got a T41 and wanted to say thanks to x86processor for his very clear walkthrough - worked straight off for me! |
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Deathwing00
Bodhisattva
Joined: 13 Jun 2003
Posts: 4087
Location: Dresden, Germany
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| Posted: Sat Jul 03, 2004 11:46 pm Post subject: |
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| Moved from Multimedia. |
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jeffschwab
n00b
Joined: 05 May 2007
Posts: 2
Location: RTP, North Carolina
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| Posted: Sat May 05, 2007 2:30 am Post subject: Thank you |
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| x86processor wrote: | Ok, I have it working. This is my documentation:
Opened alsa-guide webpage:
http://www.gentoo.org/doc/en/alsa-guide.xml
Under Installation,
I skipped kernel modules, as I already had the sound modules installed and compiled in my 2.6 kernel, and hence moved to configuration of ALSA modules.
emerged alsa-utils:
Didn't change anything in /etc/modules.d/alsa except added my sound card as:
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alias snd-card-0 snd-intel8x0
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The mixer, dsp and midi settings for were already uncommented.
Saved the file and did:
The sound settings were properly configured already in /etc/devfsd.conf
I started alsa,
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# /etc/init.d/alsasound start
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It started fine, but, had to unmute master and PCM:
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# amixer set Master 100 unmute
# amixer set PCM 100 unmute
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I tested if sound worked by playing pop.wav:
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#aplay $KDEDIR/share/sounds/pop.wav
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and it played the "pop" sound :)
So, I decided to add alsa to startup boot,
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#rc-update add alsasound boot
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Thanks,
x86 |
Outstanding. I can only guess how much time this has saved me. Thank you. Three years later, this is still usefu. |
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