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i have recently upgraded my kernel to version 2.6.10..although after installation of the new kernel my sound does not work.. alsaconf and mixer work,xmms seems to work fine when i ...
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  1. #1
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    sound problem in 2.6.10 kernel


    i have recently upgraded my kernel to version 2.6.10..although after installation of the new kernel my sound does not work..
    alsaconf and mixer work,xmms seems to work fine when i try to play mp3's but there is no sound come out of the speakers..what should be wrong if you notice that the module of my sound card is loaded into kernel?
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  2. #2
    Linux Guru sarumont's Avatar
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    Your channels aren't muted, are they?
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    how do i configure them?...i searched in yast and alsamixer and everything is ok..before the installation of the kernel everything was working good (about sound).what should be wrong?
    any suggestions?
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  5. #4
    Linux Guru sarumont's Avatar
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    You can run alsamixer (command-line), alsamixergui, gnome-mixer, or any variety of mixer you want to check your channels. Your master and PCM should be unmuted and turned up.
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  6. #5
    pfp
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    Same here.

    I have the same problem with 2.6.10-ac1. ESD, aumix, mpg123 etc use the card happily but no sound is heard. Same set of modules from 2.6.9 work perfectly.

    The "card" is integrated on a cheap ASRock K7S41GX motherboard.

    Code:
    0000:00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] Sound Controller (rev a0)
            Subsystem: Unknown device 1849:7012
            Flags: bus master, medium devsel, latency 32, IRQ 10
            I/O ports at dc00 [size=256]
            I/O ports at d800 [size=128]
            Capabilities: [48] Power Management version 2
    lsmod:
    Code:
    snd_pcm_oss            50888  1 
    snd_mixer_oss          18176  1 snd_pcm_oss
    snd_intel8x0           33356  1 
    snd_ac97_codec         65616  1 snd_intel8x0
    snd_pcm                92900  2 snd_pcm_oss,snd_intel8x0
    snd_timer              24708  1 snd_pcm
    snd_page_alloc          9544  2 snd_intel8x0,snd_pcm
    gameport                4384  1 snd_intel8x0
    snd_mpu401_uart         7360  1 snd_intel8x0
    snd_rawmidi            24288  1 snd_mpu401_uart
    snd_seq_device          7688  1 snd_rawmidi
    snd                    52452  9 snd_pcm_oss,snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart,snd_rawmidi,snd_seq_device
    soundcore               9824  2 snd
    [/code]

  7. #6
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    my sound card is build-in the asrock motherboard you specified above..maybe there is a problem with the hardware,i don't know...
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  8. #7
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    Run the program 'alsamixer'.
    Make sure each channel has 100 volume, do this by moving with the left/right arrows to each channel and using up arrow until it says 100.
    Also, make sure each channel is not muted by using the 'm' key on each channel, if it's muted it will have an 'MM' at the top of it.

    If it's all unmuted with volume all the way up, then check the docs at http://alsa-project.org. Check the supported cards listing, find your card, and read the docs for your specific card to ensure it's all set up correctly.

  9. #8
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    my channels aren't muted and i went to the site and i will try to follow the instructions there...despite the fact that my kernel recognised and installed the module...
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  10. #9
    pfp
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    valan, sarumont: thank you for your input - however this really seems to be a driver issue.

    I too checked the mixer settings (alsamixer and aumix (OSS)). Both ALSA- and OSS-based applications (alsaplayer-alsa, mpg123-oss) have the same behaviour -- under 2.6.9 they output sound, under 2.6.10 they don't. On both kernels the hardware is recognized, and apps can talk to the drivers, but on 2.6.10 the card remains silent.

    stathisx and I seem to have the same hardware. A post to the kernel list might be a good idea - stathisx, is your kernel patched or vanilla?

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    vanilla.........yours?
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