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sendas4 01-24-2005 11:50 AM
Scratchy Sound with Gentoo
 
Im just installed Gentoo with 2.6.10-r6 kernel. i did a stage 3 and compiled the kernel myself. and opted for my sound to be automatic instead of module under the alsa pci section.
The everything sounds fine in windows. but everytihng is scratchy with linux at the moment.

Is it possible to have doen the wrong device but it would still produce
Alsamixer says
Card: NVidia nForce2
Chip: Realtek ALC650F
Item: Master


and this is what i get when i do lspci.
Code:
bash-2.05b# lspci
0000:00:00.0 Host bridge: nVidia Corporation nForce2 AGP (different version?) (r
ev c1)
0000:00:00.1 RAM memory: nVidia Corporation nForce2 Memory Controller 1 (rev c1)
0000:00:00.2 RAM memory: nVidia Corporation nForce2 Memory Controller 4 (rev c1)
0000:00:00.3 RAM memory: nVidia Corporation nForce2 Memory Controller 3 (rev c1)
0000:00:00.4 RAM memory: nVidia Corporation nForce2 Memory Controller 2 (rev c1)
0000:00:00.5 RAM memory: nVidia Corporation nForce2 Memory Controller 5 (rev c1)
0000:00:01.0 ISA bridge: nVidia Corporation nForce2 ISA Bridge (rev a4)
0000:00:01.1 SMBus: nVidia Corporation nForce2 SMBus (MCP) (rev a2)
0000:00:02.0 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
0000:00:02.1 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
0000:00:02.2 USB Controller: nVidia Corporation nForce2 USB Controller (rev a4)
0000:00:04.0 Ethernet controller: nVidia Corporation nForce2 Ethernet Controller
 (rev a1)
0000:00:05.0 Multimedia audio controller: nVidia Corporation nForce MultiMedia a
udio [Via VT82C686B] (rev a2)
0000:00:06.0 Multimedia audio controller: nVidia Corporation nForce2 AC97 Audio
Controler (MCP) (rev a1)
0000:00:08.0 PCI bridge: nVidia Corporation nForce2 External PCI Bridge (rev a3)
0000:00:09.0 IDE interface: nVidia Corporation nForce2 IDE (rev a2)
0000:00:0d.0 FireWire (IEEE 1394): nVidia Corporation nForce2 FireWire (IEEE 139
4) Controller (rev a3)
0000:00:1e.0 PCI bridge: nVidia Corporation nForce2 AGP (rev c1)
0000:01:04.0 Ethernet controller: Marvell Technology Group Ltd. Gigabit Ethernet
 Controller (rev 13)
0000:01:08.0 Network controller: Broadcom Corporation BCM43xG 802.11b/g (rev 02)
0000:01:09.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C

/8139C+ (rev 10)
0000:01:0b.0 RAID bus controller: Silicon Image, Inc. (formerly CMD Technology I
nc) SiI 3112 [SATALink/SATARaid] Serial ATA Controller (rev 02)
0000:03:00.0 VGA compatible controller: nVidia Corporation NV36 [GeForce FX 5700
LE] (rev a1)

acid_kewpie 01-24-2005 01:38 PM
what sound modules are you actually using? show us the output of "lsmod" if you're not sure. I too have Nforce2 onboard sound, and i use the snd_i8x0 module under Alsa, and i'm currently listening to Master and Everyone by Bonnie Prince Billy in great great quality... you should be able to change to this module by editing /etc/modules.autoload.d/kernel-2.6

sendas4 01-24-2005 02:11 PM
I dont have much running as modules. I have my sound built into the kernel. i currently have 2 sound modules built into the kernel

Intel/SiS/nVidia/AMD/ALi AC97 Controller

and

VIA 82C686A/B, 8233/8235 AC97 Controller


Code:
bash-2.05b# lsmod
Module                  Size  Used by
nvidia              3463580  12

acid_kewpie 01-24-2005 02:18 PM
eww nasty.... rebuld them as modules for a start... then ensure you're running ALSA, and not OSS.

sendas4 01-25-2005 09:40 PM
Yup made sure im using ALSA. And i changed my kernel to handle the sound pci device as module. i get this now

Code:
bash-2.05b# lsmod
Module                  Size  Used by
nvidia              3463580  12
snd_intel8x0          28576  0
snd_ac97_codec        72224  1 snd_intel8x0
But the sound is still bad. Could there be a just totaly F'ed up setting i could change with amixer?

jizzyjesus 02-28-2005 04:13 PM
Although i'm not using gentoo I have the same problem with slackware. I'm pretty sure it's because in alsamixer it says my chip is "ICEnsemble ICE1232" when it should be a ac97. Sound works but is scratchy... I think i just need to know how to change the chip?


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