Am Donnerstag, den 28.10.2010, 11:17 -0400 schrieb Alan Stern: > Now let's go back to the non-working new machine. Try running two > separate tests, the first doing just 4-channel input and the second > doing just 2-channel output. That way both tests should work okay. > During each test, save a copy of the "periodic" file from the ehci > debugging directory. Let's see how they look, and we'll move forward > from there. Three periodic files are attached. "4+0" is 4 mono inputs simplex, "0+2" is stereo output simplex and "4+2" contains periodic (~100 milliseconds) copies from the periodic file, when starting the soundcard in "4+2" mode, which fails. Maybe it helps...
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periodic_files.tar.bz2
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