[alsa-devel] Analog sound (ALC262) lost on linux (any distro and kernel) on a dual boot system

[Ploumistos Alexandros]

Quoting Sudip Mukherjee <sudipm.mukherjee at gmail.com>:

> On Thu, Oct 23, 2014 at 03:01:24PM +0300, Ploumistos Alexandros wrote:
> > Hello,
> >
> > A while back I had installed Ubuntu on a friend's laptop -a Sony Vaio
> VGN-FW21M-
> > alongside windows Vista. Everything worked fine for a few years, until at
> some
> > point last year linux went mute, while in windows both the analog and the
> > digital outputs continued working. She couldn't remember doing something
> "out
> > of the ordinary", but she was sure it was not after an update. Several
> months
> > later, she upgraded to windows 7 but that didn't change anything. When I
> got my
> > hands on the laptop, I checked for muted controls and other usual suspects,
> > deprecated quirks (there were none) and all inputs and outputs of the
> system.
> > HDMI audio works fine and so does the internal mic. Speakers, headphones
> and
> > the external mic input do not work, even though pulse audio volume meter
> acts
> > as if there were actually sounds being played. I followed all of Ubuntu's
> > troubleshooting procedures, I removed and reinstalled alsa and pulse, I
> purged
> > all configuration files, I created a new user and I even installed the
> latest
> > alsa-packages from the "ALSA daily build snapshots" repository and nothing
> > worked. I also tried booting into windows, setting all volume levels to the
> max
> > and disabled power saving on all sound and multimedia devices. Next, I
> tried
> > retasking the jacks one by one to no avail.
> >
> > I remembered that I had performed the installation with an Ubuntu 11.10
> live CD,
> > so I booted the computer off of that, but this time I got no sound. I tried
> with
> > all the live CDs of a multitude of distros I had lying around, with kernels
> > ranging from 2.6.35 to 3.16.6 and none of them worked, so I figured the
> issue
> > must have something to do with windows. Is it possible that windows somehow
> > started locking the audio chip on shutdown? If that is the case, can it be
> > deduced from the logs and more importantly, can it be fixed?
> for my dayjob , i use a computer which is dualboot with windows and ubuntu ,
> which is almost always having linux-next.
> and audio works for both my os.
> >
> > I am attaching the output of alsa-info and lspci as well as kernel logs.
> i think you forgot to attach the files.
>
> thanks
> sudip
>
> >
> > Thank you for your time.
> > _______________________________________________
> > Alsa-devel mailing list
> > Alsa-devel at alsa-project.org
> > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
>


Something went wrong with horde's IMP and my attachement was not actually
attached. I replied to my message, but it is awaiting moderation as it is about
95kB long.