I'm trying to port some old python code from an NSLU2 to a Raspberry Pi,
and am having some trouble that seems to originate with pyUSB. I've tried
this under Raspbian and now the Arch Linux distribution, and in both cases
I get the same error: when I try to initiate a USB connection, something
segfaults. I initially thought (thanks to some help in gdb from my
sysadmin) libcrypto might have been improperly compiled for this
architecture (this was under Raspbian), but this strikes me as unlikely to
be the case in two different ARM distros, particularly one as venerable as
Arch.
Please excuse the level at which the following occurs -- I figure it's best
to try to just show what I'm doing (using a the very simple alphasign
library -- https://github.com/msparks/alphasign -- and code that is known
to work elsewhere).
Here's a pastebin of the libusb debug output:
http://pastie.org/6313270
And here's a more verbose one that's from python -v:
http://pastie.org/6313279
In both cases, the code I try to run is:
>>> import alphasign
>>> sign = alphasign.USB(alphasign.devices.USB_BETABRITE_PRISM)
>>> sign.connect()
The third line causes the segfault.
Any help would be greatly appreciated!
Tom
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