If I use firefox-bin (32 bit) or firefox (64 bit) on youtube, I get
sound no problems.
If I run mplayer I get sound also.
If I use firefox-bin with a java applet that plays sound, I get no sound at all.
I can't load this applet in firefox, which is why I still use
firefox-bin for it.
Googling "no sound in firefox java" gives lots of hits, mainly from
people with the same problem.
1 solution was to "modprobe snd-pcm-oss" which did not help. I.m
fairly sure this is redundant with base layout 2.
I upgraded the kernel twice, from linux-2.6.36-gentoo-r5 where I
initially had the problem,
to linux-2.6.36-gentoo-r8 and now on linux-2.6.38-gentoo-r6 paying
careful attention to all the sound related configuration options. This
had no effect.
I've run out of things to try, so I'm asking the list.
I previously had a problem where the first firefox session would get
sound, but no subsequent application, including firefox would have
sound, in other words the first invocation of firefox would lock the
sound. I could live with that, this current problem is far more