Version:            (using KDE KDE 3.5.1)
Installed from:    Slackware Packages
Compiler:           I have get the packages's Slackware from the site of kde.org
OS:                Linux

I have obtained this bug using the function "show desktop" with keys from keyboard; the kwin process crash when i restore the windows diminished.
Its backtraces is:

(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread -1232099008 (LWP 3872)]
[KCrash handler]
#5  0xb67ee3d3 in KWinInternal::Workspace::updateMinimizedOfTransients ()
   from /opt/kde/lib/libkdeinit_kwin.so
#6  0xb67cc295 in KWinInternal::Client::unminimize ()
   from /opt/kde/lib/libkdeinit_kwin.so
#7  0xb67c731c in KWinInternal::Workspace::setShowingDesktop ()
   from /opt/kde/lib/libkdeinit_kwin.so
#8  0xb67e562a in KWinInternal::RootInfo::changeShowingDesktop ()
   from /opt/kde/lib/libkdeinit_kwin.so
#9  0xb771b1b7 in NETRootInfo::event () from /opt/kde/lib/libkdecore.so.4
#10 0xb771ae46 in NETRootInfo::event () from /opt/kde/lib/libkdecore.so.4
#11 0xb67e5fa2 in KWinInternal::Workspace::netCheck ()
   from /opt/kde/lib/libkdeinit_kwin.so
#12 0xb67e5ee0 in KWinInternal::Workspace::workspaceEvent ()
   from /opt/kde/lib/libkdeinit_kwin.so
#13 0xb67dba2e in KWinInternal::Application::x11EventFilter ()
   from /opt/kde/lib/libkdeinit_kwin.so
#14 0xb70380b8 in qt_set_x11_event_filter ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#15 0xb7041d9b in QApplication::x11ProcessEvent ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#16 0xb7058e54 in QEventLoop::processEvents ()
   from /usr/lib/qt/lib/libqt-mt.so.3
#17 0xb70c0d18 in QEventLoop::enterLoop () from /usr/lib/qt/lib/libqt-mt.so.3
#18 0xb70c0bc8 in QEventLoop::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#19 0xb70aebb1 in QApplication::exec () from /usr/lib/qt/lib/libqt-mt.so.3
#20 0xb67dbe9c in kdemain () from /opt/kde/lib/libkdeinit_kwin.so
#21 0xb75ec776 in kdeinitmain () from /opt/kde/lib/kde3/kwin.so
#22 0x0804ce13 in ?? ()
#23 0x00000001 in ?? ()
#24 0x08085598 in ?? ()
#25 0x00000001 in ?? ()
#26 0x00000000 in ?? ()
#27 0x00000000 in ?? ()
#28 0x00001f80 in ?? ()
#29 0x0000ffff in ?? ()
#30 0x00000000 in ?? ()
#31 0xb6a8584c in main_arena () from /lib/tls/libc.so.6
#32 0x00000000 in ?? ()
#33 0x00000018 in ?? ()
#34 0x00000000 in ?? ()
#35 0x00000000 in ?? ()
#36 0x00000000 in ?? ()
#37 0x00000000 in ?? ()
#38 0xb6a83ffc in ?? () from /lib/tls/libc.so.6
#39 0xb69bc184 in _int_malloc () from /lib/tls/libc.so.6
#40 0x0804e4ab in ?? ()
#41 0x00000001 in ?? ()
#42 0x0808572c in ?? ()
#43 0x08085731 in ?? ()
#44 0x00000000 in ?? ()
#45 0x00000000 in ?? ()
#46 0x08085735 in ?? ()
#47 0x00000000 in ?? ()
#48 0x00000000 in ?? ()
#49 0x00000000 in ?? ()
#50 0x080507b7 in _IO_stdin_used ()
#51 0x00000000 in ?? ()
#52 0x00000000 in ?? ()
#53 0x00000000 in ?? ()
#54 0x080507b7 in _IO_stdin_used ()
#55 0x00000000 in ?? ()
#56 0x00000000 in ?? ()
#57 0x08085735 in ?? ()
#58 0x00000000 in ?? ()
#59 0x00000000 in ?? ()
#60 0x08085731 in ?? ()
#61 0x0808572c in ?? ()
#62 0x00000001 in ?? ()
#63 0x08085728 in ?? ()
#64 0x00000000 in ?? ()
#65 0x00000000 in ?? ()
#66 0x00000000 in ?? ()
#67 0x0000000c in ?? ()
#68 0x00000011 in ?? ()
#69 0x080528b8 in vtable for QCString ()
#70 0x0805b540 in ?? ()
#71 0x00000000 in ?? ()
#72 0x00000000 in ?? ()
#73 0x080528b8 in vtable for QCString ()
#74 0x0805b530 in ?? ()
#75 0x00000000 in ?? ()
#76 0x00000000 in ?? ()
#77 0x0077b858 in ?? ()
#78 0x80cd0000 in ?? ()
#79 0xbfd4d340 in ?? ()
#80 0x00000001 in ?? ()
#81 0xbfd4d340 in ?? ()
#82 0x00000f03 in ?? ()
#83 0xbfd4d458 in ?? ()
#84 0x0804e9ce in ?? ()
#85 0x00000008 in ?? ()
#86 0xbfd4d3c0 in ?? ()
#87 0xbfd4d340 in ?? ()
#88 0xbfd4d2c0 in ?? ()
#89 0x00000000 in ?? ()
#90 0xbfd4d280 in ?? ()
#91 0xb69bb834 in _int_free () from /lib/tls/libc.so.6

I have found this bug in Kde 3.5 and Kde 3.5.1, but the packages of Slackware are not officials, but they get from the site kde,org;
Excused my English, i am Italian
Great work!

Hi


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