Comment 278 for bug 43961

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Matthias (matthias-opennomad) wrote :

i had this problem as well on a Sony Vaio VGN-BX560B. This box has an intel hda sound card. I was able to get the laptop to turn off by forcing he removed of the sound module.

I did this by adding the line

  rmmod snd-hda-intel

to /etc/default/halt

Hope this helps someone.