Comment 17 for bug 643891

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Luke Yelavich (themuso) wrote : Re: [Bug 643891] Re: [IDT 92HD71B7X] ALSA test tone not correctly played back

Here is something else you can try. Open /etc/modprobe.d/alsa-base.conf in an editor as root. On the line you previously created for snd-hda-intel, remove the enable_msi=1 option, and adjust the line as per below:

options snd-hda-intel model=dell_desktop

Save the file, and reboot. Please report back as to whether this helps.

 affects ubuntu/alsa-driver
 status incomplete