Comment # 18 on bug 968568 from Takashi Iwai

(In reply to Constantinos Maltezos from comment #17)
> Do you have a suggestion for that? Because beyond an unfortunately large
> number of games offered for Linux on Steam, I don't know of anything 32-bit
> that uses audio that would not also be coded better for using Pulse. Would
> that last part matter, even? Would something like installing the 32-bit
> version of Audacious work?

You can test sox in 32bit, too.  It has an option to output to the OSS device.
Or, even a simpler test can work; just create a program that feeds any data
(even random one) to /dev/dsp or /dev/audio.  The only point is that it's 32bit
binary.