Building GDB 7.10 with Python support

[Eli Zaretskii]

> Date: Fri, 9 Oct 2015 16:56:03 -0500
> From: Albert Chin <gdb@mlists.thewrittenword.com>
> 
>   (gdb) break main
>   Breakpoint 1 at 0x4004c8: file d.c, line 57.
>   (gdb) r
>   Starting program: /opt/src/latest/devel/gdb-7.10/a.out 
>   A Unwinder should return gdb.UnwindInfo instance.
>   findvar.c:290: internal-error: value_of_register_lazy: Assertion `frame_id_p (get_frame_id (frame))' failed.
>   A problem internal to GDB has been detected,
>   further debugging may prove unreliable.
>   Quit this debugging session? (y or n) n
> 
> Any ideas where I can start looking?

I'd start where the error message points you, i.e. in findvar.c at
line 290, where you had the assertion violation.  It looks like
get_frame_id failed, so you'd probably need to step with a debugger
into that function and see what's going on there.