Chronological Thread 

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Could be a problem related to the interaction with Qt5. Did you updated it
recently? Which version do you have? We haven't done much testing with Qt5
yet, so even if TeXmacs compile there could be some problems still.

Best
Max


> On 18. Jan 2021, at 20:40, Pablo S. Casas <address@hidden> wrote:
>
> 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

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• 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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