Public bug reported:

Linux Mint 16 Petra & Ubuntu 13.04 and 13.10
Toshiba Satellite L655-S5150
Running lates version of BIOS

I can't get my laptop speakers to stay running.

What happens is that when I first start up my laptop, sound will come out of 
the speakers for 2-3 minutes and then stop. If I reboot it will come back on 
for 2-3 minutes again. My headphones work fine for as long as I want them to 
play. I also tried the Auto Mute - disable idea that is mentioned in many of 
the posts by people with the same problem.
One weird thing is that if I close my laptop and let it go into suspend then 
open it back up, the sound comes back on for 2-3 minutes. I tested the power 
settings on this. If I have my laptop set up to go into suspend when I close 
the lid (Under the “When Plugged In” settings) , the sound comes back on. If I 
have my power setting for “When the Lid is Closed” set to “Do Nothing” (under 
the “When Plugged In” settings) and close the lid, the sound does NOT come back 
on. Same scenario if I go onto battery power (comes back on if set to suspend). 
This issue seems to be tied to the suspend / power settings somehow. Just now I 
shut the lid and re-opend it and the sound played for 1 minutes and 27 seconds 
before cutting off again.

On another note, this system is dual boot so I started up Windows and
ran Media Player for about an hour and the sound played the entire time.
This would rule out a true hardware fault.

I have run the command wget http://www.alsa-project.org/alsa-info.sh -O
alsa-info.sh && bash alsa-info.sh and saved the information locally. It
creates a folder with sub folders so I'm not sure what I should upload.

I tried installing DKMS under Mint 16 but it didn't appear to work and I
don't have Ubuntu installed on my system any longer.

I'm willing to try any troubleshooting steps you need to assist in
fixing this problem. Here is some more information below.


Info from "sudo aplay -l"
 List of PLAYBACK Hardware Devices ****
card 0: MID [HDA Intel MID], device 0: CX20585 Analog [CX20585 Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0
***********************************************************************
Output from lspci -v | grep -A7 -i "audio"
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High 
Definition Audio (rev 05)
        Subsystem: Toshiba America Info Systems Device fd50
        Flags: bus master, fast devsel, latency 0, IRQ 42
        Memory at d6400000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express 
Root Port 1 (rev 05) (prog-if 00 [Normal decode])
************************************************************************
This page (https://help.ubuntu.com/community/SoundTroubleshooting) said to run 
modprobe on my sound driver. I couldn't figure out what my driver was so I was 
never able to do that step.

sudo modprobe snd-[NAME OF YOUR SOUNDCARD'S DRIVER]
******************************************************************
ubuntu-bug -s audio returns the following error

*** Error: Unknown symptom

The symptom "audio" is not known.
********************************************************************

** Affects: ubuntu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1289128

Title:
  External laptop speakers work only for several minutes then shut off

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