Bug#904588: supercollider: Stretch i386 Supercollider fails with segmentation fault

[Knut Jackowski]

Hello Bernhard,

thanks for looking into this.

Running through gdb failed like, before but gave this additional bit
of information:

Thread 1 "scide" received signal SIGSEGV, Segmentation fault.
0xad64c59f in gdk_display_open () from
/usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0

The backtrace after this was:

"""
#0  0xad64c59f in gdk_display_open () from
/usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#1  0xad61a3b9 in gdk_display_open_default_libgtk_only () from
/usr/lib/i386-linux-gnu/libgdk-x11-2.0.so.0
#2  0xad12a7b5 in gtk_init () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
#3  0xad6e9d37 in ?? () from
/usr/lib/i386-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#4  0xad6eb5ea in ?? () from
/usr/lib/i386-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#5  0xb45afdc0 in QStyleFactory::create(QString const&) () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#6  0xb453c0ec in QApplication::style() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#7  0xb453c40d in QApplicationPrivate::initialize() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#8  0xb453c471 in QApplicationPrivate::init() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#9  0xb453c4f1 in QApplication::QApplication(int&, char**, int) ()
from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#10 0x0042b119 in main (argc=<optimized out>, argv=0xbffff204) at
./editors/sc-ide/core/main.cpp:49
"""

So I installed the debug package for libgdk2.0-0.

Now running with gdb failed with these last lines (I suppose, guessing
from you name that I don't have to translate the german part):
"""
Thread 1 "scide" received signal SIGSEGV, Segmentation fault.
IA__gdk_display_open (display_name=0x0) at ./gdk/x11/gdkdisplay-x11.c:173
173    ./gdk/x11/gdkdisplay-x11.c: Datei oder Verzeichnis nicht gefunden.
"""
And the backtrace:

"""
#0  IA__gdk_display_open (display_name=0x0) at ./gdk/x11/gdkdisplay-x11.c:173
#1  0xad61a3b9 in IA__gdk_display_open_default_libgtk_only () at ./gdk/gdk.c:324
#2  0xad12a7b5 in IA__gtk_init_check (argv=0x0, argc=0x0) at
./gtk/gtkmain.c:1006
#3  IA__gtk_init (argc=0x0, argv=0x0) at ./gtk/gtkmain.c:1053
#4  0xad6e9d37 in ?? () from
/usr/lib/i386-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#5  0xad6eb5ea in ?? () from
/usr/lib/i386-linux-gnu/qt5/plugins/styles/libqgtk2style.so
#6  0xb45afdc0 in QStyleFactory::create(QString const&) () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#7  0xb453c0ec in QApplication::style() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#8  0xb453c40d in QApplicationPrivate::initialize() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#9  0xb453c471 in QApplicationPrivate::init() () from
/usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#10 0xb453c4f1 in QApplication::QApplication(int&, char**, int) ()
from /usr/lib/i386-linux-gnu/libQt5Widgets.so.5
#11 0x0042b119 in main (argc=<optimized out>, argv=0xbffff204) at
./editors/sc-ide/core/main.cpp:49
"""

Does that help?

Best regards,

Knut

2018-07-28 13:17 GMT+02:00 Bernhard Übelacker <bernhardu at mailbox.org>:
> Hello Knut Jackowski,
> I tried to reproduce the issue with a Stretch i386 VM.
>
> "Unfortunately" the scide gui opened without a problem.
>
> So maybe you could deliver some more information about
> the crash by following this guide [1].
>
> [1] https://wiki.debian.org/HowToGetABacktrace
>
> This mail is written in the assumption that BunsenLabs
> does not recompile every package for their distribution?
>
> Kind regards,
> Bernhard