Quote:
Originally Posted by NiLuJe
@twobob: looks like ruby was built against kernel headers/glibc more recent than those on the Kindle, and is thus trying to use an unimplemented API.
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The "futex" calls and sub-system had a long (in number of kernel versions released) history of being very unstable.
And as NiLuJe points out, even if it is in 2.6.26-rt-lab126, it still might not be anything like newer headers describe it to be.
First step is to confirm which kernel headers Buildroot used in the build. They may have been some "left overs" from earlier build runs.