[Bug 197551] New: applications that use kio_thumbnail crash kdeinit

[Todor Gyumyushev]

https://bugs.kde.org/show_bug.cgi?id=197551

           Summary: applications that use kio_thumbnail crash kdeinit
           Product: kde
           Version: 4.2.4
          Platform: Compiled Sources
        OS/Version: other
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: yodor at developer.bg


Version:            (using KDE 4.2.4)
Compiler:          gcc version 4.0.1 (Apple Inc. build 5490) 
OS:                OS X
Installed from:    Compiled From Sources

When trying to use preview in konqueror or dolphin , after successfully
starting kio_thumbnail, the kdeinit4 process crash and no thumnail preview are
created. This happens also on tooltips.

Application Specific Information:
*** single-threaded process forked ***

Thread 0 Crashed:
0   libSystem.B.dylib                 0x9048ee42 __kill + 10
1   libSystem.B.dylib                 0x9050123a raise + 26
2   libSystem.B.dylib                 0x9050d679 abort + 73
3   com.apple.HIServices              0x029ea0c4 _RegisterApplication + 2447
4   com.apple.HIServices              0x029e970a GetCurrentProcess + 50
5   QtGui                             0x015650b7 qt_init(QApplicationPrivate*,
int) + 1047
6   QtGui                             0x015cfd6d
QApplicationPrivate::construct() + 77
7   QtGui                             0x015cff6b
QApplication::QApplication(int&, char**, bool, int) + 107
8   libkdeui.5.dylib                  0x00fee764
KApplication::KApplication(bool) + 68
9   kio_thumbnail.so                  0x053955ae kdemain + 510
(thumbnail.cpp:119)
10                                    0x000095fe launch(int, char const*, char
const*, char const*, int, char const*, bool, char const*, bool, char const*) +
4558
11                                    0x0000ae48 handle_launcher_request(int) +
1272
12                                    0x0000b5e2 handle_requests(int) + 930
13                                    0x0000ba59 main + 953
14                                    0x00006b36 start + 54
-------------

In the log there is:
Jun 22 23:11:14 macmini [0x0-0x13013].kdeinit4[0]: The process has forked and
you cannot use this CoreFoundation functionality safely. You MUST exec().
Jun 22 23:11:14 macmini [0x0-0x13013].kdeinit4[0]: Break on
__THE_PROCESS_HAS_FORKED_AND_YOU_CANNOT_USE_THIS_COREFOUNDATION_FUNCTIONALITY___YOU_MUST_EXEC__()
to debug.
....
Jun 22 23:11:20 macmini [0x0-0x22022].konqueror[11232]: konqueror(11232)/kio
(Slave) KIO::Slave::timeout: slave is slow... pid= 11648  t= 6
Jun 22 23:11:22 macmini [0x0-0x22022].konqueror[11232]: konqueror(11232)/kio
(Slave) KIO::Slave::timeout: slave failed to connect to application pid= 11648 
protocol= "thumbnail"
Jun 22 23:11:22 macmini [0x0-0x22022].konqueror[11232]: konqueror(11232)/kio
(Slave) KIO::Slave::timeout: slave is slow... pid= 11648  t= 8
Jun 22 23:11:23 macmini ReportCrash[11649]: Formulating crash report for
process kdeinit4[11648]
---------------

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