X2Go Bug report logs - #480
Segmentation Fault (core dump)

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Package: x2goclient; Maintainer for x2goclient is X2Go Developers <x2go-dev@lists.x2go.org>; Source for x2goclient is src:x2goclient.

Reported by: Josh Reeves <aenima99x@gmail.com>

Date: Fri, 18 Apr 2014 18:20:01 UTC

Severity: normal

Found in version

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X-Loop: owner@bugs.x2go.org
Subject: Bug#480: Segmentation fault while running x2goclient v
Reply-To: Marc Siramy <marc.siramy@gmail.com>, 480@bugs.x2go.org
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From: Marc Siramy <marc.siramy@gmail.com>
Date: Wed, 17 Dec 2014 18:58:34 +0100
Message-ID: <CAP3UhM8ec5eqz6Z1KpY7hNWM4ccaVVfuxBfV0XTUzaS_5XOSrQ@mail.gmail.com>
To: 480@bugs.x2go.org
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[Message part 1 (text/plain, inline)]
I have a very similar bug with
X2Go Client V. (Qt - 4.8.1).

x2go-INFO-1> "Starting x2goclient..."
x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed."
x2go-INFO-5> "Translator: :/qt_fr_FR installed."
x2go-INFO-3> "Started  x2goclient."
[Thread 0xb26ffb40 (LWP 25778) exited]
x2go-INFO-8> "Starting connection to server:"
[New Thread 0xb26ffb40 (LWP 28264)]

Program received signal SIGSEGV, Segmentation fault.
0xb6ee2814 in QString::operator=(QString const&) () from

(gdb) quit

Here is the stack with libqt4-dbg, 4:4.8.5 version :
(gdb) start
Function "main" not defined.
Make breakpoint pending on future shared library load? (y or [n])
Starting program: /usr/bin/x2goclient
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
x2go-INFO-1> "Starting x2goclient..."
x2go-INFO-4> "Translator: :/x2goclient_fr_fr installed."
x2go-INFO-5> "Translator: :/qt_fr_FR installed."
x2go-INFO-3> "Started  x2goclient."
x2go-INFO-8> "Starting connection to server:"
[New Thread 0xb2e62b40 (LWP 31128)]

Program received signal SIGSEGV, Segmentation fault.
QString::operator= (this=0xbffff024, other=...) at tools/qstring.cpp:1410
1410    tools/qstring.cpp: Aucun fichier ou dossier de ce type.

(gdb) bt
#0  QString::operator= (this=0xbffff024, other=...) at
#1  0x080a7cdc in ?? ()
#2  0x080a89b6 in ?? ()
#3  0x0814420e in ?? ()
#4  0xb6fc80f7 in QMetaObject::activate (sender=0x8537c08, m=0x8155698,
    argv=0xbffff4d0) at kernel/qobject.cpp:3539
#5  0x08145a1f in ?? ()
#6  0x08105b81 in ?? ()
#7  0x08145c68 in ?? ()
#8  0xb6fc48aa in QMetaCallEvent::placeMetaCall (this=0xb3311408,
object=0x8537c08) at kernel/qobject.cpp:524
#9  0xb6fcc6fb in QObject::event (this=0x8537c08, e=0xb3311408) at
#10 0xb73a37f4 in QApplicationPrivate::notify_helper (this=0x8288f38,
receiver=0x8537c08, e=0xb3311408)
    at kernel/qapplication.cpp:4567
#11 0xb73aa2d3 in QApplication::notify (this=0xbffffb58,
receiver=0x8537c08, e=0xb3311408)
    at kernel/qapplication.cpp:4353
#12 0xb6fb2e4a in QCoreApplication::notifyInternal (this=0xbffffb58,
    event=event@entry=0xb3311408) at kernel/qcoreapplication.cpp:953
#13 0xb6fb670d in sendEvent (event=0xb3311408, receiver=0x8537c08)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#14 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0,
    data=0x8289048) at kernel/qcoreapplication.cpp:1577
#15 0xb6fb6c1c in QCoreApplication::sendPostedEvents
    event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1470
#16 0xb6fe323e in sendPostedEvents () at
#17 postEventSourceDispatch (s=0x8289da0) at
#18 0xb65df1e3 in g_main_context_dispatch () from
#19 0xb65df468 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
#20 0xb65df528 in g_main_context_iteration () from
#21 0xb6fe293b in QEventDispatcherGlib::processEvents
    at kernel/qeventdispatcher_glib.cpp:434
#22 0xb74585de in QGuiEventDispatcherGlib::processEvents (this=0x8289b68,
    at kernel/qguieventdispatcher_glib.cpp:204
#23 0xb6fb1823 in QEventLoop::processEvents (this=this@entry=0xbffffad8,
    at kernel/qeventloop.cpp:149
#24 0xb6fb1b49 in QEventLoop::exec (this=this@entry=0xbffffad8, flags=...)
at kernel/qeventloop.cpp:204
---Type <return> to continue, or q <return> to quit---
#25 0xb6fb78fe in QCoreApplication::exec () at
#26 0xb73a1a24 in QApplication::exec () at kernel/qapplication.cpp:3828
#27 0x0812a533 in ?? ()
#28 0x0805bd3b in ?? ()
#29 0xb6b81a83 in __libc_start_main (main=0x805bd20, argc=1,
argv=0xbffffc94, init=0x8148de0,
    fini=0x8148e50, rtld_fini=0xb7fed180 <_dl_fini>, stack_end=0xbffffc8c)
at libc-start.c:287
#30 0x0805bdc1 in ?? ()

I'm not a C/C++ developer so this is difficult to me to investigate that.

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