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No sound - Intel 82801G ICH7 snd-hda-intel
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  1. #1
    Chomps Guest

    No sound - Intel 82801G ICH7 snd-hda-intel

    I have searched these forums and the internet for a solution to this problem, but have not been able to resolve this issue.

    I have a Toshiba Laptop with Fedora 7 installed in a dual boot configuration with Win XP. Sound works fine in WinXP.

    My sound card appears to be detected properly in Fedora 7, however, I don't hear any sound. I have checked volume manager and everything is unmuted. The volume control on my laptop is also adjusted correctly.

    Here are the specs:

    Intel 82801G (ICH7 Family) High Definition Audio Controller
    Module = snd-hda-intel
    PCM = Conexant Analog
    Alsa Driver = 1.0.14rc3
    Alsa Lib = alsa-lib=1.0.14-0.4.rc3.fc7
    Alsa Utils = alsa-utils-1.0.14-0.7.rc2.fc7

    input: PC Speaker as /class/input/input4

    # lsmod | grep snd

    snd_hda_intel 24281 5
    snd_hda_codec 202689 1 snd_hda_intel
    snd_seq_dummy 7877 0
    snd_seq_oss 33345 0
    snd_seq_midi_event 11073 1 snd_seq_oss
    snd_seq 50353 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
    snd_seq_device 11852 3 snd_seq_dummy,snd_seq_oss,snd_seq
    snd_pcm_oss 43489 0
    snd_mixer_oss 19393 2 snd_pcm_oss
    snd_pcm 74565 4 snd_hda_intel,snd_hda_codec,snd_pcm_oss
    snd_timer 24773 3 snd_seq,snd_pcm
    snd 53189 15 snd_hda_intel,snd_hda_codec,snd_seq_oss,snd_seq,sn d_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd _timer
    soundcore 11553 2 snd
    snd_page_alloc 13769 2 snd_hda_intel,snd_pcm

    # cat /proc/asound/devices

    2: : timer
    3: : sequencer
    4: [ 0- 1]: digital audio playback
    5: [ 0- 0]: digital audio playback
    6: [ 0- 0]: digital audio capture
    7: [ 0] : control

    # cat /proc/asound/cards

    0 [Intel]: HDA-Intel - HDA Intel
    HDA Intel at 0xd2500000 irq 21

    Any ideas on how to get my sound working would be much appreciated.
    Last edited by Chomps; 5th July 2007 at 09:17 PM.

  2. #2
    Join Date
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    I change a line in /etc/modprobe.conf and my T60 now works. Maybe it can help you.

    Try changing:

    options snd-hda-intel index=0

    to:

    options snd-hda-intel model=3stack

  3. #3
    Join Date
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    On reboot it didn't work. I read that if I enable the modem in BIOS that would correct the problem. I went back to the old modprobe.conf settings and enables the modem. That seemed to fix the problem with the T60.

  4. #4
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    This soundcard certainly has its problems in Linux.

    Mine suddenly started working with the 2.6.22 kernel. If you haven't upgraded you may want to try.

    When I did, the defaults were for microphone boost to be set as maximum causing uncontrollable acoustic feedback until I could get to a mixer to turn it down.

  5. #5
    Chomps Guest
    I fixed my sound problem.

    The solution was to make the following edit to the /etc/grub.conf file:

    At the end of the line that begins with -

    kernel /boot/vmlinuz..... add the following :

    acpi=off acm=off

    Then reboot. This will turn off the power management which seems to have caused a conflict.

  6. #6
    jbsema Guest
    Dear Chomps,

    The below is my grub.conf file under Fedora 7. where can i make changes in order to have sound on my HP computer! i have this problem long ago.


    # grub.conf generated by anaconda
    #
    # Note that you do not have to rerun grub after making changes to this file
    # NOTICE: You have a /boot partition. This means that
    # all kernel and initrd paths are relative to /boot/, eg.
    # root (hd0,0)
    # kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
    # initrd /initrd-version.img
    #boot=/dev/sda
    default=0
    timeout=5
    splashimage=(hd0,0)/grub/splash.xpm.gz
    hiddenmenu
    title Fedora (2.6.23.17-88.fc7)
    root (hd0,0)
    kernel /vmlinuz-2.6.23.17-88.fc7 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
    initrd /initrd-2.6.23.17-88.fc7.img
    title Fedora (2.6.21-1.3194.fc7)
    root (hd0,0)
    kernel /vmlinuz-2.6.21-1.3194.fc7 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
    initrd /initrd-2.6.21-1.3194.fc7.img
    "/etc/grub.conf" 21L, 777C

    Regards

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