Hi Axel,
I don't think that this is related to #249. (see below).
On Do 08 Mai 2014 20:05:11 CEST, Axel Beckert wrote:
Hi,
I just installed x2goserver (4.1.0.0-0~971~ubuntu14.04.1) on Ubuntu 14.04 Trusty and connected to it with x2goclient (4.0.2.0-0x2go1+git20140410.586+wheezy.main.1) and later also with pyhoca-gui (0.4.0.9-0x2go1+git20140108.1126+wheezy.main.1).
Both segfaulted while they worked fine when connecting to Wheezy servers with x2goserver stable.
gdb Backtrace from pyhoca-gui:
Starting program: /usr/bin/python /usr/bin/pyhoca-gui -P xtaran@bluesky [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Xlib.protocol.request.QueryExtension pyhoca-gui[8842] (PyHoca-GUI) WARN: the current release of
PyHoca-GUI does not support client configuration pyhoca-gui[8842] (PyHoca-GUI) NOTICE: opening default session
profile xtaran@bluesky pyhoca-gui[8842] (x2gosessregistry-pylib) NOTICE: registering X2Go
session xtaran@bluesky... pyhoca-gui[8842] (x2goclient-pylib) NOTICE: initializing X2Go session... pyhoca-gui[8842] (x2gocontrolsession-pylib) NOTICE: connecting to
[bluesky]:22Program received signal SIGSEGV, Segmentation fault. 0x00000000004d3e9d in ?? () (gdb) bt #0 0x00000000004d3e9d in ?? () #1 0x00000000004f3482 in PyErr_WarnEx () #2 0x00007fffe78b5b84 in ?? () from
/usr/lib/python2.7/dist-packages/gobject/_gobject.so #3 0x00007ffff11fb473 in g_logv () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007ffff11fb622 in g_log () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007ffff16c5b6f in g_signal_handler_disconnect () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #6 0x00007fffe5ab14d0 in ?? () from
/usr/lib/x86_64-linux-gnu/gtk-2.0/2.10.0/immodules/im-uim.so #7 0x00007ffff16ba638 in g_object_unref () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #8 0x00007ffff2db1fb1 in ?? () from
/usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #9 0x00007ffff2db21e0 in ?? () from
/usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #10 0x00007ffff16ba638 in g_object_unref () from
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #11 0x00007ffff3f81aa6 in wxWindow::~wxWindow() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #12 0x00007ffff441df53 in
wxSplashScreenWindow::~wxSplashScreenWindow() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_adv-2.8.so.0 #13 0x00007ffff4049dd6 in wxWindowBase::DestroyChildren() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #14 0x00007ffff3f81a32 in wxWindow::~wxWindow() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #15 0x00007ffff441d5b9 in wxSplashScreen::~wxSplashScreen() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_adv-2.8.so.0 #16 0x00007ffff3fe0422 in wxAppBase::DeletePendingObjects() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #17 0x00007ffff3fe05cb in wxAppBase::ProcessIdle() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #18 0x00007ffff3f5adae in ?? () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #19 0x00007ffff11f4355 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #20 0x00007ffff11f4688 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #21 0x00007ffff11f4a82 in g_main_loop_run () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #22 0x00007ffff2dc7797 in gtk_main () from
/usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #23 0x00007ffff3f6e268 in wxEventLoop::Run() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #24 0x00007ffff3fe033c in wxAppBase::MainLoop() () from
/usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #25 0x00007ffff5350497 in wxPyApp::MainLoop() () from
/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core_.so #26 0x00007ffff537732c in ?? () from
/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core_.so #27 0x00000000004ae547 in PyEval_EvalFrameEx () #28 0x00000000004b1ef8 in PyEval_EvalCodeEx () #29 0x00000000004b2a6c in ?? () #30 0x00000000004c4894 in ?? () #31 0x00000000004aab70 in PyEval_EvalFrameEx () #32 0x00000000004aad10 in PyEval_EvalFrameEx () #33 0x00000000004aad10 in PyEval_EvalFrameEx () #34 0x00000000004b1ef8 in PyEval_EvalCodeEx () #35 0x000000000053b343 in ?? () #36 0x000000000044cc58 in PyRun_FileExFlags () #37 0x000000000044d152 in PyRun_SimpleFileExFlags () #38 0x000000000044dd42 in Py_Main () #39 0x00007ffff6fb4ead in __libc_start_main (main=<optimized out>,
argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fffffffdf08) at libc-start.c:244 #40 0x00000000004c78b9 in _start ()gdb Backtrace from x2goclient:
Starting program: /usr/bin/x2goclient --session=xtaran@bluesky [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". x2go-INFO-1> "Starting x2goclient..." x2go-WARNING-1> "Can't load translator: :/x2goclient_en_us" x2go-WARNING-2> "Can't load translator: :/qt_en_US" x2go-INFO-3> "Started x2goclient." x2go-INFO-8> "Starting connection to server: bluesky:22" [New Thread 0x7fffe9288700 (LWP 16089)]
Program received signal SIGSEGV, Segmentation fault. 0x00007ffff5b50b67 in QString::operator=(QString const&) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 (gdb) bt #0 0x00007ffff5b50b67 in QString::operator=(QString const&) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 #1 0x00000000004602d0 in ?? () #2 0x0000000000479486 in ?? () #3 0x000000000047bd20 in ?? () #4 0x00000000004e1906 in ?? () #5 0x00007ffff5c1754f in QMetaObject::activate(QObject*,
QMetaObject const*, int, void**) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 #6 0x00000000004e31e0 in ?? () #7 0x00000000004b4eb2 in ?? () #8 0x00000000004e33be in ?? () #9 0x00007ffff5c16a2e in QObject::event(QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 #10 0x00007ffff647670c in
QApplicationPrivate::notify_helper(QObject*, QEvent*) () from
/usr/lib/x86_64-linux-gnu/libQtGui.so.4 #11 0x00007ffff647ab8a in QApplication::notify(QObject*, QEvent*) ()
from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #12 0x00007ffff5c01b5e in QCoreApplication::notifyInternal(QObject*,
QEvent*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #13 0x00007ffff5c059e1 in
QCoreApplicationPrivate::sendPostedEvents(QObject*, int,
QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #14 0x00007ffff5c300e3 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #15 0x00007ffff25ca355 in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007ffff25ca688 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007ffff25ca744 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0 #18 0x00007ffff5c30276 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #19 0x00007ffff651783e in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #20 0x00007ffff5c008af in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #21 0x00007ffff5c00b38 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 #22 0x00007ffff5c05cf8 in QCoreApplication::exec() () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4 #23 0x00000000004d7073 in ?? () #24 0x00007ffff4d5dead in __libc_start_main (main=<optimized out>,
argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
stack_end=0x7fffffffdf18) at libc-start.c:244 #25 0x000000000041ba71 in ?? () #26 0x00007fffffffdf18 in ?? () #27 0x000000000000001c in ?? () #28 0x0000000000000002 in ?? () #29 0x00007fffffffe28c in ?? () #30 0x00007fffffffe2a0 in ?? () #31 0x0000000000000000 in ?? ()The segfaults on the Wheezy based clients vanished when I downgraded the packages on Ubuntu 14.04 from the nightly debs to the stable debs (i.e. x2goserver downgraded from 4.1.0.0-0~971~ubuntu14.04.1 to 4.0.1.15-0~847~ubuntu14.04.1)
HTH.
Kind regards, Axel
Can you please try to re-install x2goserver from the nightly builds
and check if the issue is gone?
Two commits ago, code was added to x2goserver that requires a DB
update. I have now added this call (x2godbadmin --updatedb) to the
postinst script of libx2go-server-db-perl.
Regards, Mike
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