Re: Releases v3.8.4.0 and v3.9.3.0

[Ron Economos]

The segfault also happens on Ubuntu 18.04 and gcc >= 8. It is exposed by 
these commits.

https://github.com/gnuradio/gnuradio/commit/1e661918ad4fd096b2c990354c316602813246c7

https://github.com/gnuradio/gnuradio/commit/9f8ed5bb5decdcc6905e4a8cbd22ac31bca619a7

It appears to be related to the Qt version (the segfault occurs in 
libQt5Widgets.so.5.9.5). Newer versions work okay.

Ron

On 10/4/21 2:10 PM, Aardric wrote:
> Adding (hopefully not just noise) to this thread, I am curious as to
> whether my stopping flow graphs that contain a QT GUI time sink or
> frequency sink resulting in a segmentation fault is related to gr built
> with 8.2.1 while opensuse Leap 15.2 system libraries were built with GNU
> C++14 (SUSE Linux) version 7.5.0. This fault does NOT occur with the QT
> GUI sink and otherwise, everything seems to work.
> Note that the CMakeOutput log contains:
> warning: MPFR header version 4.0.1 differs from library version 4.0.2-p6.
> No action requested but comments are invited.
>
> Rick