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Re: Troubleshooting soundcard distortion

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Clemens Ladisch <clemens@ladisch.de> writes:

Clemens, your help very much appreciated. I've got my music back!

> Haines Brown wrote:
>> I now realize that a lot of garbage from dmesg is related to this sound
>> problem.
>>
>>   sr 4:0:0:0: [sr0]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
>>   sr 4:0:0:0: [sr0]  Sense Key : Illegal Request [current] ILI
>>   sr 4:0:0:0: [sr0]  Add. Sense: Illegal mode for this track
>>   sr 4:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 00 00 00 02 00
>>   end_request: I/O error, dev sr0, sector 0
>>   Buffer I/O error on device sr0, logical block 0
>
> Your CD/DVD drive is telling you that somebody tried to read data from
> a track that does not contain the right kind of data.

It seems I had been listening to this commercial disk before the
problems came up, but in any case I booted without any disk, then
inserted a different disk. No error messags in dmesg and the drive
plays. Admittedly the prevous disk was produced by Channel Classics,
which is not a cd manufacturer familiar to me.

>> What is the proper method to set my sound card to be default rather than
>> HDA Intel?
>
> Do not set the index option of the driver, unless you set all the index
> values for all possible drivers.
>
> Use something like this:
>
>     options snd slots=snd-virtuoso,snd-hda-intel,snd-hda-intel

This works! I was unable to acquire this knowledge on my own, so your
help much appreciated. I infer the only drivers I worry about here are
the ALSA "snd" drivers.

A question: could I have placed that line into a ~/.asoundrc file?
I would just try it out if booting were not so painful.

Haines

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Thread

Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-13 13:49 -0500
  Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-16 21:40 +0100
    Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-16 17:19 -0500
      Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-17 07:10 -0500
      Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-17 19:56 +0100
        Re: Troubleshooting soundcard distortion Haines Brown <haines@engels.histomat.net> - 2015-02-17 17:13 -0500
          Re: Troubleshooting soundcard distortion Clemens Ladisch <clemens@ladisch.de> - 2015-02-20 22:21 +0100

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