Subject: bug#46707: TeXmacs: Segmentation fault when starting interactive session

From: Luis Felipe <[email-masked]>
Date: Thu, 18 Mar 2021 18:17:29 +0000

Hi Ludovic,

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Thursday, March 18, 2021 4:05 PM, Ludovic Courtès <[email-masked]> wrote:

> Hi Luis,
>
> Luis Felipe [email-masked] skribis:
>
> > The program crashes when starting any interactive session (except for a Scheme session).
> > TeXmacs 1.99.18
> > Guix c5dc87f
> > Guix System Linux gnu 5.10.14-gnu
>
> TeXmacs has since been updated. Could you check whether this still
> happens?

I checked and it still happens with these versions:

TeXmacs 1.99.19
Guix a12de21
Guix System Linux gnu 5.10.14-gnu

This is the output:

$ LANG=C texmacs
Welcome to TeXmacs 1.99.19
------------------------------------------------------------------------------
kpsepath works with your TeX distribution
kpsewhich works with your TeX distribution
mktextfm works with your TeX distribution
mktexpk works with your TeX distribution
texhash works with your TeX distribution
attempt install of inkscape extension
 installing or updating inkscape extension
------------------------------------------------------------------------------
Installation completed successfully !
I will now start up the editor
------------------------------------------------------------------------------
TeXmacs] With linked TrueType support
libpng warning: iCCP: known incorrect sRGB profile
libpng warning: iCCP: known incorrect sRGB profile
TeXmacs] debug-shell, Launching 'python3 -X utf8  "/gnu/store/sbs2fjrq2977fg4fnrjay62nzb36ain6-texmacs-1.99.19/share/TeXmacs/plugins/tmpy/session/tm_python.py"'
Throwing segmentation fault
-------------------------------------------------
Error message:
  segmentation fault

System information:
  TeXmacs version  : 1.99.19
  Built by         :
  Building date    : Sat Mar  6 10:54:35 UTC 2021
  Operating system : linux-gnu
  Vendor           : unknown
  Processor        : @CONFIG_HOST_CPU@
  Crash date       : Thu Mar 18 13:09:46 -05 2021

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

Backtrace of C++ stack:
  texmacs.bin() [0xfaa679]
  texmacs.bin() [0x5dfdac]
  /gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libc.so.6 : () + 0x36b20
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : () + 0x2239d9
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : () + 0x21e1ae
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QProcess::start(QString const&, QStringList const&, QFlags<QIODevice::OpenModeFlag>) + 0x162
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QProcess::start(QString const&, QFlags<QIODevice::OpenModeFlag>) + 0x114
  texmacs.bin() [0x4f0ab7]
  texmacs.bin() [0xe6765e]
  texmacs.bin() [0x74be44]
  texmacs.bin() [0x74cb5a]
  texmacs.bin() [0xacb1fa]
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : () + 0x5023c
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_dapply() + 0x9b5
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_with_throw_handler() + 0x109
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_catch() + 0x136
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_internal_catch() + 0xe
  texmacs.bin() [0xb6466c]
  texmacs.bin() [0xd0c926]
  texmacs.bin() [0xd0d6c3]
  texmacs.bin() [0xaccd10]
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : () + 0x504c1
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_dapply() + 0x9b5
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_with_throw_handler() + 0x109
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_catch() + 0x136
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_internal_catch() + 0xe
  texmacs.bin() [0xb6466c]
  texmacs.bin() [0xd0c926]
  texmacs.bin() [0xe5717f]
  texmacs.bin() [0xe57a71]
  texmacs.bin() [0xe59b2a]
  texmacs.bin() [0x4e43bf]
  texmacs.bin() [0xcb5635]
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : () + 0x2e2703
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QTimer::timeout(QTimer::QPrivateSignal) + 0x27
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QTimer::timerEvent(QTimerEvent*) + 0x28
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QObject::event(QEvent*) + 0x8b
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Widgets.so.5 : QApplicationPrivate::notify_helper(QObject*, QEvent*) + 0x9c
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Widgets.so.5 : QApplication::notify(QObject*, QEvent*) + 0x21f
  texmacs.bin() [0xcb4f2b]
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*, QEvent*) + 0x103
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QTimerInfoList::activateTimers() + 0x3d9
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : () + 0x306129
  /gnu/store/5fyh99ycbxs72z21qrjwhk67p1vdfl55-glib-2.62.6/lib/libglib-2.0.so.0 : g_main_context_dispatch() + 0x2aa
  /gnu/store/5fyh99ycbxs72z21qrjwhk67p1vdfl55-glib-2.62.6/lib/libglib-2.0.so.0 : () + 0x51288
  /gnu/store/5fyh99ycbxs72z21qrjwhk67p1vdfl55-glib-2.62.6/lib/libglib-2.0.so.0 : g_main_context_iteration() + 0x2c
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) + 0x5c
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) + 0x12a
  /gnu/store/i1cw1lsvf0295lbqxpxcnz1n4sm0j0ym-qtbase-5.15.2/lib/libQt5Core.so.5 : QCoreApplication::exec() + 0x83
  texmacs.bin() [0x450405]
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : () + 0x6859f
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : () + 0x4068a
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_catch() + 0x136
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_i_with_continuation_barrier() + 0xa4
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_c_with_continuation_barrier() + 0x30
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_i_with_guile_and_parent() + 0x28
  /gnu/store/5dd1vnwdivh7kx6qzaqr35rilphmsf1l-guile-1.8.8/lib/libguile.so.17 : scm_boot_guile() + 0x25
  texmacs.bin() [0x42ddf7]
  /gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/lib/libc.so.6 : __libc_start_main() + 0xed
  texmacs.bin() [0x44f29a]

-------------------------------------------------
terminate called after throwing an instance of 'string'
Abortado