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I have just installed Oracle enterprise Linux 5. Beforehand I had Mandrive 2008 which could configure my soundcard. However enterprise Linux 5 can't. No sound comes out of the speakers ...
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  1. #1
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    No sound


    I have just installed Oracle enterprise Linux 5.
    Beforehand I had Mandrive 2008 which could configure my soundcard.
    However enterprise Linux 5 can't. No sound comes out of the speakers

    Code:
    /sbin/lspci
    00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02)
    00:01.0 PCI bridge: Intel Corporation 82G33/G31/P35/P31 Express PCI Express Root Port (rev 02)
    00:19.0 Ethernet controller: Intel Corporation 82562V-2 10/100 Network Connection (rev 02)
    00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 02)
    00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 02)
    00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 02)
    00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 02)
    00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
    00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 02)
    00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 02)
    00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 02)
    00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 02)
    00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 92)
    00:1f.0 ISA bridge: Intel Corporation 82801IR (ICH9R) LPC Interface Controller (rev 02)
    00:1f.2 RAID bus controller: Intel Corporation 82801 SATA RAID Controller (rev 02)
    00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 02)
    01:00.0 VGA compatible controller: ATI Technologies Inc RV610 video device [Radeon HD 2400 PRO]

    Code:
     uname -r
    2.6.18-194.el5PAE
    I think the driver is loaded

    Code:
    lsmod | grep snd_hda
    snd_hda_intel         524077  1 
    snd_pcm                72261  2 snd_hda_intel,snd_pcm_oss
    snd_page_alloc         14281  2 snd_hda_intel,snd_pcm
    snd_hwdep              12869  1 snd_hda_intel
    snd                    55877  11 snd_hda_intel,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep

  2. #2
    Linux Guru Rubberman's Avatar
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    It is not uncommon for the PCM volume setting (the hardware volume) to be set to 0 when Red Hat systems are first installed - it happened to me. You need to open the alsamixer or audio widget and make sure that the PCM setting is on high, then you can use the "Master" sound level to control the output.
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

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    No that did not work.
    The strange thing is that the speakers crackle but don't produce sound.

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    Linux Guru Rubberman's Avatar
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    Which audio system are you running, ALSA, Pulse, or OSS? I had good luck with ALSA on RHEL 5 systems. Also, you might want to be sure your sound library packages are up-to-date.
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

  6. #5
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    Quote Originally Posted by Rubberman View Post
    Which audio system are you running, ALSA, Pulse, or OSS? I had good luck with ALSA on RHEL 5 systems. Also, you might want to be sure your sound library packages are up-to-date.
    I am not sure - how can I tell?

    Weirdly when I used live CD's e.g. Mephis or PCLinux OS the sound works fine

    Code:
    lsmod | grep snd_hda
    snd_hda_intel         360684  4
    snd_hwdep               6980  1 snd_hda_intel
    snd_pcm                70660  3 snd_hda_intel,snd_pcm_oss
    snd_page_alloc          8456  2 snd_hda_intel,snd_pcm
    snd                    51812  15 snd_hda_intel,snd_hwdep,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_pcm,snd_timer,snd_mixer_oss
    Any ideas?

  7. #6
    Linux Guru Rubberman's Avatar
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    Well, looking at the modules loaded again, I'd have to say that you have the OSS sound system, which is old and deprecated. For RHEL 5.x systems, you should be using the ALSA (Advanced Linux Sound Architecture) sound system, and for 6 you will use both ALSA and Pulse audio.
    Sometimes, real fast is almost as good as real time.
    Just remember, Semper Gumbi - always be flexible!

  8. #7
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    Quote Originally Posted by Rubberman View Post
    Well, looking at the modules loaded again, I'd have to say that you have the OSS sound system, which is old and deprecated. For RHEL 5.x systems, you should be using the ALSA (Advanced Linux Sound Architecture) sound system, and for 6 you will use both ALSA and Pulse audio.
    Sadly after 10pm (it is 10.17 now) my brain stops working.
    How can I change it from OSS to ALSA or Pulse audio?

  9. #8
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    I fixed it.

    I installed Alsa Mixer Gui and I clicked on various things and the sound came out.

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