2013/2/21 Tom Lee <thomas.j....@gmail.com>: > 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! >
Please, try the attached patch and inform if it still seg faults, -- Best Regards, Wander Lairson Costa
0001-Fixed-make-sure-there-is-a-valid-handle-before-do-a-.patch
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