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Dear TeXmacs community:

Since the last update of my Gentoo-Linux system I cannot launch any
session inside TeXmacs, but scheme sessions. I think this is not a
TeXmacs issue because version 1.99.16 worked fine with sessions,
but not anymore. The same happens with versions 1.99.17 and 1.99.18.
I've also tried to recompile guile, with no success.

For instance, launching "tm_maxima 5.44.0 sbcl" from bash works.
But "(make-session "maxima" "default")" from a scheme session, causes
segmentation fault as well.

Somebody has a clue of the problem? Any help is very appreciated.
Best regards.

Pablo


Error messages:

$ $TEXMACS_PATH/bin/texmacs -r
TeXmacs] With linked TrueType support
TeXmacs] debug-shell, Launching 'python3
"/home/jpablo/paquetes/TeXmacs/src/TeXmacs/plugins/tmpy/session/tm_asy.py"'
Throwing segmentation fault
-------------------------------------------------
Error message:
segmentation fault

System information:
TeXmacs version : 1.99.16
Built by : jpablo
Building date : Thu Nov 26 21:14:40 CET 2020
Operating system : linux-gnu
Vendor : pc
Processor : @CONFIG_HOST_CPU@
Crash date : lun 18 ene 2021 20:22:48 CET

Editor status:
Root path : [ 1 ]
Current path : [ 1, 0, 2, 1, 1, 0, 0 ]
Shifted path : [ 1, 0, 2, 1, 1, 0, 0 ]
Physical selection : [ 1, 0, 0 ] -- [ 1, 0, 0 ]

Backtrace of C++ stack:
texmacs.bin() [0x11033df]
texmacs.bin() [0x5cd22f]
/lib64/libc.so.6 : () + 0x38ba0
/usr/lib64/libQt5Core.so.5 : () + 0x20806e
/usr/lib64/libQt5Core.so.5 : () + 0x201148
/usr/lib64/libQt5Core.so.5 : QProcess::start(QString const&, QStringList
const&, QFlags<QIODevice::OpenModeFlag>) + 0x8d
/usr/lib64/libQt5Core.so.5 : QProcess::start(QString const&,
QFlags<QIODevice::OpenModeFlag>) + 0xd6
texmacs.bin() [0x4ed957]
texmacs.bin() [0xfc1f4f]
texmacs.bin() [0x736d8d]
texmacs.bin() [0x739d35]
texmacs.bin() [0xc29766]
/usr/lib64/libguile.so.17 : () + 0x496bc
/usr/lib64/libguile.so.17 : scm_dapply() + 0x9d6
/usr/lib64/libguile.so.17 : scm_c_with_throw_handler() + 0x11c
/usr/lib64/libguile.so.17 : scm_c_catch() + 0x156
/usr/lib64/libguile.so.17 : scm_internal_catch() + 0xe
texmacs.bin() [0xca7a38]
texmacs.bin() [0xe4a074]
texmacs.bin() [0xe4af1c]
texmacs.bin() [0xbef887]
/usr/lib64/libguile.so.17 : () + 0x498d7
/usr/lib64/libguile.so.17 : scm_dapply() + 0x9d6
/usr/lib64/libguile.so.17 : scm_c_with_throw_handler() + 0x11c
/usr/lib64/libguile.so.17 : scm_c_catch() + 0x156
/usr/lib64/libguile.so.17 : scm_internal_catch() + 0xe
texmacs.bin() [0xca7a38]
texmacs.bin() [0xe4a074]
texmacs.bin() [0xfb86b4]
texmacs.bin() [0xfb7aec]
texmacs.bin() [0xfb756d]
texmacs.bin() [0x4e010e]
/usr/lib64/libQt5Core.so.5 : () + 0x2ad6d0
/usr/lib64/libQt5Core.so.5 : QTimer::timeout(QTimer::QPrivateSignal) + 0x3a
/usr/lib64/libQt5Core.so.5 : QObject::event(QEvent*) + 0x1c5
/usr/lib64/libQt5Widgets.so.5 :
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 0x7f
/usr/lib64/libQt5Widgets.so.5 : QApplication::notify(QObject*, QEvent*) +
0x1a0
texmacs.bin() [0xdf318a]
/usr/lib64/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*,
QEvent*) + 0xa8
/usr/lib64/libQt5Core.so.5 : QTimerInfoList::activateTimers() + 0x3a8
/usr/lib64/libQt5Core.so.5 : () + 0x2ced34
/usr/lib64/libglib-2.0.so.0 : g_main_context_dispatch() + 0x27d
/usr/lib64/libglib-2.0.so.0 : () + 0x505c0
/usr/lib64/libglib-2.0.so.0 : g_main_context_iteration() + 0x2f
/usr/lib64/libQt5Core.so.5 :
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) +
0x5e
/usr/lib64/libQt5Core.so.5 :
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 0x12b
/usr/lib64/libQt5Core.so.5 : QCoreApplication::exec() + 0x90
texmacs.bin() [0x452c35]
/usr/lib64/libguile.so.17 : () + 0x61a7f
/usr/lib64/libguile.so.17 : () + 0x393ea
/usr/lib64/libguile.so.17 : scm_c_catch() + 0x156
/usr/lib64/libguile.so.17 : scm_i_with_continuation_barrier() + 0xb6
/usr/lib64/libguile.so.17 : scm_c_with_continuation_barrier() + 0x40
/usr/lib64/libguile.so.17 : scm_i_with_guile_and_parent() + 0x36
/usr/lib64/libguile.so.17 : scm_boot_guile() + 0x35
texmacs.bin() [0x456ace]
/lib64/libc.so.6 : __libc_start_main() + 0xeb
texmacs.bin() [0x44f7fa]

-------------------------------------------------
TeXmacs] failed-error, Exception, segmentation fault

---

• cannot launch sessions, Pablo S. Casas, 01/18/2021
  • Re: cannot launch sessions, Massimiliano Gubinelli, 01/19/2021
    • Re: cannot launch sessions, Pablo S. Casas, 01/19/2021

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