No sound on youtube videos...

[Linuxguy123]

On Thu, 2009-01-08 at 13:46 -0700, Linuxguy123 wrote:
> On Thu, 2009-01-08 at 12:07 -0700, Linuxguy123 wrote:
> > On Thu, 2009-01-08 at 12:02 -0700, Linuxguy123 wrote:
> > > On Thu, 2009-01-08 at 20:42 +0200, Nicolae Ghimbovschi wrote:
> > > > Do you have alsa-plugins-pulseaudio installed ?
> > > 
> > > I do now.  I didn't before now.  I was watching youtube videos a few
> > > weeks ago and sound worked, apparently without it.
> > > 
> > > I still don't have sound on my youtube videos.  Do I need to configure
> > > something or start pulseaudio ?
> > > 
> > > Thanks !
> > 
> > Sound works from Amarok, but I still don't have system sound.  The
> > system-config-sound utility still doesn't run.
> > 
> > Sound worked a couple weeks ago.  
> > 
> > uname -a
> > Linux localhost.localdomain 2.6.27.7-134.fc10.i686 #1 SMP Mon Dec 1
> > 22:42:50 EST 2008 i686 i686 i386 GNU/Linux
> > 
> > # yum list alsa*
> > Loaded plugins: downloadonly, kmdl, priorities, refresh-packagekit
> > 0 packages excluded due to repository priority protections
> > Installed Packages
> > alsa-lib.i386
> > 1.0.18-6.rc3.fc10
> > installed
> > alsa-lib-devel.i386
> > 1.0.18-6.rc3.fc10
> > installed
> > alsa-oss.i386
> > 1.0.17-1.fc10
> > installed
> > alsa-oss-devel.i386
> > 1.0.17-1.fc10
> > installed
> > alsa-oss-libs.i386
> > 1.0.17-1.fc10
> > installed
> > alsa-plugins-pulseaudio.i386
> > 1.0.18-2.fc10
> > installed
> > alsa-utils.i386
> > 1.0.18-6.fc10
> > installed
> 
> It works now.  I don't know why.  I logged into gnome and ran Firefox
> there and rebooted a couple times while working on some other things.

I had to reboot this morning.   Now sound doesn't work again.  It worked
fine for ~2 days.   How do I troubleshoot this ?