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GDB error Installation error: gdb.execute_unwinders function is missing

I suddenly began to see this message on almost every GDB output line during debugging:

Python installation error Installation error: gdb.execute_unwinders function is missing

What is it? How to fix it?

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I have the same thing, with gdb 8.0.1 compiled on Ubunutu 14.04 LST. It turns out the installation skips the necessary Python files. One of the signs was that "make install" stopped complaining about the lack of makeinfo, although I did not change any of the .texi sources.

My fix was to go into the build area, into the gdb / data directory and again do a “make install” in which the missing python scripts are installed.

There must be some strange error tool somewhere.

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