On 10/20/2017 12:51 PM, Cameron McQuinn wrote:
[...]
I managed to compile MachineKit from source, and am trying to start it
using the 5i25-zynq configuration (I don't actually have a bitstream to
program the FPGA yet, just trying to get MK running). Starting from the
command line, MachineKit errors out because the rtapi app gets
terminated due to "stack smashing". Output to from the terminal is as
follows:
[...]
Interestingly, I have to "export FLAVOR=rt-preempt" in the shell before
attempting to start machinekit, or else it tries to load
rtapi_app_posix, which I did not compile.
[...]
I encountered these exact same two problems a few days ago with the
amd64 Stretch packages, but can't for the life of me recall what the
problem finally was. I'm sorry to be so unhelpful here, but I'm
self-flagellating my brain over it.
I do remember I couldn't get a handle on the 'stack smashing' problem,
so I went with the flavor detection problem instead, and it took maybe a
half hour to track down. That stuff is all in and around
`src/rtapi/rtapi_compat.*`. It might have been one of those cases where
there was an error somewhere along the way, but no error message and not
handled. Once I found it, I knew what the problem in my environment was
and easily fixed it. The 'stack smashing' thing just went away after
that, IIRC.
Good luck, and please report back if/when you find it so it has a chance
of being fixed for the next person.
John
--
website: http://www.machinekit.io blog: http://blog.machinekit.io github:
https://github.com/machinekit
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