kde/qdbus crash when login from kdm

HonestQiao

HonestQiao

Yesterday, I upgrade my system from 9.1 to 10-current, and use clang as defaule C/C++ complier.
And then, I can't login into KDE, a dialog show:
Code: 
"Could not start D-Bus. Can you Call qdbus"

Information by ssh:
Code: 
%uname -a
FreeBSD x201i.honestqiao.com 10.0-CURRENT FreeBSD 10.0-CURRENT #1 r244267: Sun Dec 16 16:06:23 CST 2012     
root@x201i.honestqiao.com:/usr/obj/usr/src/sys/HonestQiaoKernel10  amd64
% tail -f /var/log/kdm.log 
kdeinit4: preparing to launch /usr/local/lib/libkdeinit4_klauncher.so
kdeinit4: Launched KLauncher, pid = 2450, result = 0
klauncher(2450) kdemain: No DBUS session-bus found. Check if you have started the DBUS server. 
kdeinit4: Communication error with launcher. Exiting!

I can run qdbusviewer. qdbusviewer can connect to dbus and list dbus info.
Dbus and Hald is running.
Code: 
# ps auxww | grep -E 'dbus|hal'
messagebus  1641   0.0  0.1  16844 10380  -  Is   12:10上午   0:00.32 /usr/local/bin/dbus-daemon --system
haldaemon   1760   0.0  0.3  92624 21448  -  Is   12:10上午   0:03.47 /usr/local/sbin/hald
root        1761   0.0  0.2  76568 15752  -  I    12:10上午   0:00.10 hald-runner
root        1771   0.0  0.2  66744 14224  -  I    12:10上午   0:00.14 hald-addon-mouse-sysmouse: /dev/psm0 (hald-addon-mouse-sy)
root        1784   0.0  0.2  66744 14264  -  I    12:10上午   0:00.06 hald-addon-mouse-sysmouse: /dev/ums0 (hald-addon-mouse-sy)
HonestQiao 38463   0.0  0.1  16844 10412  -  Is   12:37上午   0:00.05 /usr/local/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
HonestQiao 38760   0.0  0.1  16844 10424  -  Is   12:38上午   0:00.01 /usr/local/bin/dbus-daemon --fork --print-pid 5 --print-address 7 --session
HonestQiao 38462   0.0  0.1  32280 11172  2  I    12:37上午   0:00.00 dbus-launch --autolaunch 7d6977d713194da0e8ef9ee600001994 --binary-syntax --close-stderr
root       51279   0.0  0.1  18544 10188  6  S+    1:15上午   0:00.01 grep -E dbus|hal
HonestQiao 38733   0.0  0.8 202120 63864  7  S+   12:38上午   0:06.10 qdbusviewer
HonestQiao 38759   0.0  0.1  32280 11228  7  I+   12:38上午   0:00.00 dbus-launch --autolaunch 7d6977d713194da0e8ef9ee600001994 --binary-syntax --close-stderr

Later , I rebuild /usr/ports/devel/dbus-qt4 with WITH_DEBUG=yes, and get debug info.
Code: 
%qbus
:1.1
 org.kde.klauncher
:1.12
:1.2
 org.kde.kded
org.freedesktop.DBus
Segmentation fault (core dumped)
%tail -f /var/log/message
Dec 18 00:56:23 x201i kernel: pid 49036 (qdbus), uid 1001: exited on signal 11 (core dumped)

debug with gdb:
Code: 
%gdb /usr/local/bin/qdbus /var/tmp/crash/qdbus.49036.core
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `qdbus'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/qt4/libQtDBus.so.4...Reading symbols from /usr/local/lib/qt4/libQtDBus.so.4.8.2.debug...done.
done.
Loaded symbols for /usr/local/lib/qt4/libQtDBus.so.4
Reading symbols from /usr/local/lib/qt4/libQtXml.so.4...done.
Loaded symbols for /usr/local/lib/qt4/libQtXml.so.4
Reading symbols from /usr/local/lib/qt4/libQtCore.so.4...done.
Loaded symbols for /usr/local/lib/qt4/libQtCore.so.4
Reading symbols from /usr/local/lib/gcc46/libstdc++.so.6...done.
Loaded symbols for /usr/local/lib/gcc46/libstdc++.so.6
Reading symbols from /lib/libm.so.5...done.
Loaded symbols for /lib/libm.so.5
Reading symbols from /usr/local/lib/gcc46/libgcc_s.so.1...done.
Loaded symbols for /usr/local/lib/gcc46/libgcc_s.so.1
Reading symbols from /lib/libthr.so.3...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /lib/libz.so.6...done.
Loaded symbols for /lib/libz.so.6
Reading symbols from /usr/local/lib/libgthread-2.0.so.0...done.
Loaded symbols for /usr/local/lib/libgthread-2.0.so.0
Reading symbols from /usr/local/lib/libglib-2.0.so.0...done.
Loaded symbols for /usr/local/lib/libglib-2.0.so.0
Reading symbols from /usr/local/lib/libiconv.so.3...done.
Loaded symbols for /usr/local/lib/libiconv.so.3
Reading symbols from /usr/local/lib/libicui18n.so.48...done.
Loaded symbols for /usr/local/lib/libicui18n.so.48
Reading symbols from /usr/local/lib/libintl.so.9...done.
Loaded symbols for /usr/local/lib/libintl.so.9
Reading symbols from /usr/local/lib/libpcre.so.3...done.
Loaded symbols for /usr/local/lib/libpcre.so.3
Reading symbols from /usr/local/lib/libicuuc.so.48...done.
Loaded symbols for /usr/local/lib/libicuuc.so.48
Reading symbols from /usr/local/lib/libicudata.so.48...done.
Loaded symbols for /usr/local/lib/libicudata.so.48
Reading symbols from /usr/local/lib/libdbus-1.so.3...done.
Loaded symbols for /usr/local/lib/libdbus-1.so.3
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x0000000801c392a4 in sbrk () from /lib/libc.so.7
[New Thread 805006400 (LWP 100588/qdbus)]
......
#65395 0x0000000800ddb0c5 in QAdoptedThread::QAdoptedThread () from /usr/local/lib/qt4/libQtCore.so.4
#65396 0x0000000800ddd7e1 in QThreadData::current () from /usr/local/lib/qt4/libQtCore.so.4
#65397 0x0000000800ddb619 in QThread::currentThread () from /usr/local/lib/qt4/libQtCore.so.4
#65398 0x000000080085a620 in QDBusConnectionPrivate::deleteYourself (this=0x805080600) at qdbusintegrator.cpp:1025
#65399 0x0000000800849a1b in ~QDBusConnection (this=0x6198e0) at qdbusconnection.cpp:304
#65400 0x0000000000404991 in __dtor__ZL10connection () at qdbus.cpp:57
#65401 0x0000000801c96e69 in __cxa_finalize () from /lib/libc.so.7
#65402 0x0000000801c3f5fc in exit () from /lib/libc.so.7
#65403 0x0000000000405133 in main (argc=1, argv=0x7fffffffd530) at qdbus.cpp:484
(gdb)

truss: http://pastebin.com/EqqXLjjS
Code: 
% truss -o test.out /usr/local/bin/qdbus

I have rebuild dbus/dbus-qt4/qt*/kde*/xorg*, but no effect.
 
This also happens with area51 after icu-5 update, and also happens with qt-4.8.4 over here. Maybe a ticket should be opened at the bug tracker.
 
Then please open a new thread. The OP is having issues with 10-CURRENT.
 
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