Crash with python using scipy

[Poncho]

Hi there

This code in a python chart crashes goldencheetah on my system reproducibly:

> import pandas as pd
> import numpy as np
> from scipy import signal
>
> df = pd.DataFrame(np.random.randn(10), columns=['X'])
> df_detrended = pd.DataFrame(signal.detrend(df))

The same code in a python console works fine.

It is working with the appimage using python 3.11.5, but crashing my
locally compiled version with python 3.13.11

Before doing any further debugging, my question to people compiling from
source: Are you able to reproduce the issue? What python version are you
using?

Thanks,
Poncho

[Joachim Kohlhammer]

Works on my machine:

Python loaded [3.13.12 (main, Feb  4 2026, 15:06:39) [GCC 15.2.0]]

[Poncho]

Thanks Joachim. Then it's probably an issue with my system and not with
Goldencheetah.

That's the crash I get. I'd appreciate some hints.

> Thread 58 "Thread (pooled)" received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 0x7f4558df36c0 (LWP 338040)]
> 0x0000000000000000 in ?? ()
> (gdb) bt
> #0 0x0000000000000000 in ??? ()
> #1 0x00007f4538ddc18f in ??? () at /usr/lib/python3.13/site-packages/scipy/linalg/_flapack.cpython-313-x86_64-linux-gnu.so
> #2 0x00007f4b5509e643 in ??? () at /usr/lib64/libpython3.13.so.1.0
> #3 0x00007f4b551c1905 in _PyEval_EvalFrameDefault () at /usr/lib64/libpython3.13.so.1.0
> #4 0x00007f4b551cf480 in PyEval_EvalCode () at /usr/lib64/libpython3.13.so.1.0
> #5 0x00007f4b5522e52a in ??? () at /usr/lib64/libpython3.13.so.1.0
> #6 0x00007f4b5522eb98 in ??? () at /usr/lib64/libpython3.13.so.1.0
> #7 0x00007f4b5522f0e9 in ??? () at /usr/lib64/libpython3.13.so.1.0
> #8 0x00007f4b55231763 in ??? () at /usr/lib64/libpython3.13.so.1.0
> #9 0x000055791f445451 in PythonEmbed::runline (this=this@entry=0x55793f2c9790, scriptContext=..., line=...)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/basic_string.h:238
> #10 0x000055791f45077e in PythonChart::execScript (chart=0x557945d14830) at Charts/PythonChart.cpp:585
> #11 0x000055791f4547c7 in std::__invoke_impl<void, void (*&)(PythonChart*), PythonChart*&> (__f=<synthetic pointer>: <optimized out>)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/invoke.h:62
> #12 std::__invoke<void (*&)(PythonChart*), PythonChart*&> (__fn=<synthetic pointer>: <optimized out>)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/invoke.h:98
> #13 std::invoke<void (*&)(PythonChart*), PythonChart*&> (__fn=<synthetic pointer>: <optimized out>)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/functional:122
> #14 QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (*)(PythonChart*), PythonChart*)#1}::operator()(void (*)(PythonChart*), PythonChart*) const (__closure=<synthetic pointer>, function=<optimized out>, args#0=<optimized out>)
> at /usr/include/qt6/QtConcurrent/qtconcurrentstoredfunctioncall.h:117
> #15 std::__invoke_impl<void, QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, void (*)(PythonChart*), PythonChart*>(std::__invoke_other, QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, void (*&&)(PythonChart*), PythonChart*&&) (__f=<synthetic pointer>...)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/invoke.h:63
> #16 std::__invoke<QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, void (*)(PythonChart*), PythonChart*>(QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, void (*&&)(PythonChart*), PythonChart*&&) (__fn=<synthetic pointer>...) at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/bits/invoke.h:98
> #17 std::__apply_impl<QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, std::tuple<void (*)(PythonChart*), PythonChart*>, 0ul, 1ul>(QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, std::tuple<void (*)(PythonChart*), PythonChart*>&&, std::integer_sequence<unsigned long, 0ul, 1ul>)
> (__f=<synthetic pointer>..., __t=...) at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/tuple:2920
> #18 std::apply<QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, std::tuple<void (*)(PythonChart*), PythonChart*> >(QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor()::{lambda(void (* const&)(PythonChart*), PythonChart*)#1}, std::tuple<void (*)(PythonChart*), PythonChart*>&&) (__f=<synthetic pointer>..., __t=...)
> at /usr/lib/gcc/x86_64-pc-linux-gnu/15/include/g++-v15/tuple:2935
> #19 QtConcurrent::StoredFunctionCall<void (*)(PythonChart*), PythonChart*>::runFunctor (this=0x557940581c50)
> at /usr/include/qt6/QtConcurrent/qtconcurrentstoredfunctioncall.h:121
> #20 QtConcurrent::RunFunctionTaskBase<void>::run (this=0x557940581c50) at /usr/include/qt6/QtConcurrent/qtconcurrentrunbase.h:84
> #21 0x00007f4b4768e4b5 in QThreadPoolThread::run (this=0x557949c735b0)
> at /var/tmp/portage/dev-qt/qtbase-6.10.2/work/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthreadpool.cpp:72
> #22 0x00007f4b4760ac0a in operator() (__closure=<optimized out>)
> at /var/tmp/portage/dev-qt/qtbase-6.10.2/work/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:448
> #23 (anonymous namespace)::terminate_on_exception<QThreadPrivate::start(void*)::<lambda()> > (t=<optimized out>)
> at /var/tmp/portage/dev-qt/qtbase-6.10.2/work/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:373
> #24 QThreadPrivate::start (arg=0x557949c735b0) at /var/tmp/portage/dev-qt/qtbase-6.10.2/work/qtbase-everywhere-src-6.10.2/src/corelib/thread/qthread_unix.cpp:422
> #25 0x00007f4b46ea4fb1 in start_thread (arg=<optimized out>) at pthread_create.c:448
> #26 0x00007f4b46f26eec in __GI___clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:78