I consider this invalid now. I think it was the fault of my BIOS settings. I
have changed the Onboard Devices / Front Panel Select setting from 'AC97' to
'HD Audio' and the jack detection behaves as expected:
1. I boot with my headphones plugged in to the front panel - I have no sound
through
Thanks Shanekpiper.
Unfortunately adding
options snd-hda-intel model=asus
to file
/etc/modprobe.d/alsa-base.conf
and rebooting afterwards did not help.
After the reboot with headphones plugged in I can't get any output from
speakers no matter whether I plug in or out the headphones jack.
--
As a temporary fix even though it reduces the speaker output to just
stereo left and right, try adding the following to alsa-base.conf
Open up a terminal:
sudo gedit /etc/modprobe.d/alsa-base.conf
add at the bottom of the conf file:
options snd-hda-intel model=asus
Save it and then restart
Shanekpiper - Yes, I've originally installed 11.04, but later I've
upgraded to 11.10 and eventually to 12.04. It was working correctly all
the time up to upgrade to 12.04.
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Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: pulseaudio (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/927704
Title:
I have been doing some testing and by adding 'options snd-hda-intel
model=auto' to /etc/modprobe.d/alsa-base.conf then rebooting my
computer I see in the sound output
Digital Output (S/PDIF)
Built in Audio
Headphones
Built in Audio
Speakers
Built in Audio
and I can select Analogue modes for
Forgot to mention I have an Acer-Aspire 8930 where I have seen a post
from http://ubuntuforums.org/showthread.php?t=1043568 where it suggests
that the options snd-hda-intel model should be set to auto for my
device.
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When snd-hda-intel model is set to acer or acer-aspire, the test sound
function does not work, but I have only stereo sound. Not all speakers
play sound only front left right.
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Dariusz - I can see that you have upgraded from 11.04 to 12.04
InstallationMedia: Ubuntu 11.04 Natty Narwhal - Release amd64 (20110427.1)
Even if you did a fresh install I am sure the problem will still remain,
as I did a clean install of 12.04 beta 1
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https://bugs.launchpad.net/bugs/927704
Title:
No sound through speakers on 12.04
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I have an update on the above scenario:
5. Suspend-to-ram, unplug speakers and wake computer.
Without unplugging speakers I still get no sound after waking the computer.
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