On 28/05/13 09:23, the mail apparently from Christoffer Dall included:
[...]
I noticed that on this laptop with USB3 ports, AEP won't work plugged in
direct (LMP, using a similar NXP chip are the same). They need to be
connected via a USB2 hub in order to work. Maybe that's something to do
with it.
Are you by any chance running from within a VM on a mac? I've seen
similar behavior in that scenario.
Also, have you tried running as sudo just to verify it's not a
permission issue? I seem to remember this happening for me once in a
while too when I was running power measurements, and only some
combination of fully resetting the probe and booting the machine did the
trick, for whatever it's worth.
It's x86_64 Fedora directly on an Intel laptop with only 2 x USB3 ports,
with a rawhide 3.10-rc"0" kernel. It's quite possible it's a quirk of
the driver for that particular host controller, but there is no problem
via even a very cheap USB2 hub.
About root yes depending what groups your user is in or what udev has
got, you need to run arm-probe or aepd as root just to access the ttyACM.
-Andy
--
Andy Green | Fujitsu Landing Team Leader
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