Also, you mentioned that the corruption occurs systematically on certain
byte patterns. Therefore it's certainly not related to the cables.
It'd guess that too, but who can that say for sure. :-|
You may have a bit pattern that stresses the controllers and suddenly
a marginal cable may matter.
The errors occur in strings of 0xFFs. From the USB standard:
a “1” is represented by no change in level and a “0” is represented by a
change in level
so this error-infested bytes are effectively long, quiet times on the
wire. I would have thought this would be the _least_ stressful time for
the controllers but maybe they are also more susceptible to noise during
this period.
Regards,
Ben
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