This bug appears to have been reported against 'rawhide' during the Fedora 12 development cycle.
Changing version to '12'.

More information and reason for this action is here:
http://fedoraproject.org/wiki/BugZappers/HouseKeeping

> Good news is that I re-tested using qt-4.6.0-0.2.beta, and the problem seems to go away.

So does 4.6.1/4.6.2 fix this?

yes.

OK, we should add the Bugzilla reference to the update.

akonadi-1.3.1-2.fc11,arora-0.10.2-3.fc11,compiz-0.7.8-20.fc11,digikam-1.1.0-2.fc11,kbluetooth-0.4.1-2.fc11,kcoloredit-4.4.0-2.fc11,kdeaccessibility-4.4.0-1.fc11,kdeadmin-4.4.0-2.fc11,kdeartwork-4.4.0-1.fc11,kdebase-4.4.0-3.fc11,kdebase-runtime-4.4.0-3.fc11,kdebase-workspace-4.4.0-7.fc11,kdebindings-4.4.0-1.fc11,kdeedu-4.4.0-1.fc11,kdegames-4.4.0-2.fc11,kdegraphics-4.4.0-1.fc11,kde-l10n-4.4.0-1.fc11,kdelibs-4.4.0-9.fc11,kdemultimedia-4.4.0-1.fc11,kdenetwork-4.4.0-2.fc11,kdepim-4.4.0-5.fc11,kdepimlibs-4.4.0-2.fc11,kdepim-runtime-4.4.0-4.fc11,kdeplasma-addons-4.4.0-1.fc11,kde-plasma-networkmanagement-0.9-0.12.20100220.fc11,kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc11.1,kde-plasma-stasks-0.5.1-7.fc11,kde-plasma-yawp-0.3.2-2.fc11,kdesdk-4.4.0-1.fc11,kde-settings-4.2-17,kdetoys-4.4.0-1.fc11,kdeutils-4.4.0-1.fc11,kgrab-0.1.1-22.fc11,kiconedit-4.4.0-1.fc11,kio_gopher-0.1.3-3.fc11,kipi-plugins-1.1.0-1.fc11.2,konq-plugins-4.4.0-2.fc11,kopete-cryptography-1.3.0-16.fc11,kphotoalbum-4.1.1-5.fc11,kpilot-5.3.0-4.fc11,oxygen-icon-theme-4.4.0-2.fc11,polkit-qt-0.9.3-2.fc11,PyKDE-3.16.6-3.fc11,PyQt-3.18.1-6.fc11,PyQt4-4.7-1.fc11,qedje-0.4.0-6.fc11,qgis-1.0.2-6.fc11,qscintilla-2.4.2-1.fc11,qt-4.6.2-1.fc11,qt-creator-1.3.1-2.fc11,qtscriptgenerator-0.1.0-10.fc11,qzion-0.4.0-7.fc11,scidavis-0.2.3-13.fc11,sip-4.10-1.fc11,skanlite-0.4-1.fc11,soprano-2.4.0.1-1.fc11,strigi-0.7.2-2.fc11,virtuoso-opensource-6.1.0-2.fc11,webkitkde-0.0.5-0.1.svn1088283.fc11,PyQwt-5.2.0-4.fc11,qbittorrent-1.4.1-3.fc11,frescobaldi-1.0.2-1.fc11 has been submitted as an update for Fedora 11.
http://admin.fedoraproject.org/updates/F11/FEDORA-2010-1850

akonadi-1.3.1-2.fc12,arora-0.10.2-3.fc12,avogadro-1.0.0-3.fc12,compiz-0.8.2-24.fc12,digikam-1.1.0-2.fc12,kbluetooth-0.4.1-2.fc12,kcoloredit-4.4.0-2.fc12,kdeaccessibility-4.4.0-1.fc12,kdeadmin-4.4.0-2.fc12,kdeartwork-4.4.0-1.fc12,kdebase-4.4.0-3.fc12,kdebase-runtime-4.4.0-3.fc12,kdebase-workspace-4.4.0-7.fc12,kdebindings-4.4.0-1.fc12,kdeedu-4.4.0-1.fc12,kdegames-4.4.0-2.fc12,kdegraphics-4.4.0-1.fc12,kdelibs-4.4.0-9.fc12,kdemultimedia-4.4.0-1.fc12,kdenetwork-4.4.0-2.fc12,kdepim-4.4.0-5.fc12,kdepimlibs-4.4.0-2.fc12,kdepim-runtime-4.4.0-4.fc12,kdeplasma-addons-4.4.0-1.fc12,kde-l10n-4.4.0-1.fc12,kde-plasma-networkmanagement-0.9-0.12.20100220.fc12,kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc12.1,kde-plasma-stasks-0.5.1-7.fc12,kde-plasma-yawp-0.3.2-2.fc12,kdesdk-4.4.0-1.fc12,kde-settings-4.3-17,kdetoys-4.4.0-1.fc12,kdeutils-4.4.0-1.fc12,kgrab-0.1.1-22.fc12,kiconedit-4.4.0-1.fc12,kio_gopher-0.1.3-3.fc12,kipi-plugins-1.1.0-1.fc12.2,konq-plugins-4.4.0-2.fc12,kopete-cryptography-1.3.0-16.fc12,kphotoalbum-4.1.1-5.fc12,kpilot-5.3.0-4.fc12,oxygen-icon-theme-4.4.0-2.fc12,polkit-qt-0.95.1-3.fc12,PyKDE-3.16.6-3.fc12,PyQt-3.18.1-6.fc12,PyQt4-4.7-1.fc12,qedje-0.4.0-6.fc12,qgis-1.0.2-6.fc12,qscintilla-2.4.2-1.fc12,qt-4.6.2-1.fc12,qt-creator-1.3.1-2.fc12,qtscriptgenerator-0.1.0-10.fc12,qzion-0.4.0-7.fc12,scidavis-0.2.3-13.fc12,sip-4.10-1.fc12,skanlite-0.4-1.fc12,soprano-2.4.0.1-1.fc12,strigi-0.7.2-2.fc12,virtuoso-opensource-6.1.0-2.fc12,webkitkde-0.0.5-0.1.svn1088283.fc12,PyQwt-5.2.0-4.fc12,qbittorrent-2.1.5-4.fc12,frescobaldi-1.0.2-1.fc12 has been submitted as an update for Fedora 12.
http://admin.fedoraproject.org/updates/akonadi-1.3.1-2.fc12,arora-0.10.2-3.fc12,avogadro-1.0.0-3.fc12,compiz-0.8.2-24.fc12,digikam-1.1.0-2.fc12,kbluetooth-0.4.1-2.fc12,kcoloredit-4.4.0-2.fc12,kdeaccessibility-4.4.0-1.fc12,kdeadmin-4.4.0-2.fc12,kdeartwork-4.4.0-1.fc12,kdebase-4.4.0-3.fc12,kdebase-runtime-4.4.0-3.fc12,kdebase-workspace-4.4.0-7.fc12,kdebindings-4.4.0-1.fc12,kdeedu-4.4.0-1.fc12,kdegames-4.4.0-2.fc12,kdegraphics-4.4.0-1.fc12,kdelibs-4.4.0-9.fc12,kdemultimedia-4.4.0-1.fc12,kdenetwork-4.4.0-2.fc12,kdepim-4.4.0-5.fc12,kdepimlibs-4.4.0-2.fc12,kdepim-runtime-4.4.0-4.fc12,kdeplasma-addons-4.4.0-1.fc12,kde-l10n-4.4.0-1.fc12,kde-plasma-networkmanagement-0.9-0.12.20100220.fc12,kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc12.1,kde-plasma-stasks-0.5.1-7.fc12,kde-plasma-yawp-0.3.2-2.fc12,kdesdk-4.4.0-1.fc12,kde-settings-4.3-17,kdetoys-4.4.0-1.fc12,kdeutils-4.4.0-1.fc12,kgrab-0.1.1-22.fc12,kiconedit-4.4.0-1.fc12,kio_gopher-0.1.3-3.fc12,kipi-plugins-1.1.0-1.fc12.2,konq-plugins-4.4.0-2.fc12,kopete-cryptography-1.3.0-16.fc12,kphotoalbum-4.1.1-5.fc12,kpilot-5.3.0-4.fc12,oxygen-icon-theme-4.4.0-2.fc12,polkit-qt-0.95.1-3.fc12,PyKDE-3.16.6-3.fc12,PyQt-3.18.1-6.fc12,PyQt4-4.7-1.fc12,qedje-0.4.0-6.fc12,qgis-1.0.2-6.fc12,qscintilla-2.4.2-1.fc12,qt-4.6.2-1.fc12,qt-creator-1.3.1-2.fc12,qtscriptgenerator-0.1.0-10.fc12,qzion-0.4.0-7.fc12,scidavis-0.2.3-13.fc12,sip-4.10-1.fc12,skanlite-0.4-1.fc12,soprano-2.4.0.1-1.fc12,strigi-0.7.2-2.fc12,virtuoso-opensource-6.1.0-2.fc12,webkitkde-0.0.5-0.1.svn1088283.fc12,PyQwt-5.2.0-4.fc12,qbittorrent-2.1.5-4.fc12,frescobaldi-1.0.2-1.fc12

kbluetooth-0.4.1-2.fc12, kdebase-workspace-4.4.0-7.fc12, kdelibs-4.4.0-9.fc12, kdepim-4.4.0-5.fc12, kde-plasma-networkmanagement-0.9-0.12.20100220.fc12, qt-4.6.2-1.fc12, qbittorrent-2.1.5-4.fc12, frescobaldi-1.0.2-1.fc12, akonadi-1.3.1-2.fc12, arora-0.10.2-3.fc12, avogadro-1.0.0-3.fc12, compiz-0.8.2-24.fc12, digikam-1.1.0-2.fc12, kcoloredit-4.4.0-2.fc12, kdeaccessibility-4.4.0-1.fc12, kdeadmin-4.4.0-2.fc12, kdeartwork-4.4.0-1.fc12, kdebase-4.4.0-3.fc12, kdebase-runtime-4.4.0-3.fc12, kdebindings-4.4.0-1.fc12, kdeedu-4.4.0-1.fc12, kdegames-4.4.0-2.fc12, kdegraphics-4.4.0-1.fc12, kdemultimedia-4.4.0-1.fc12, kdenetwork-4.4.0-2.fc12, kdepimlibs-4.4.0-2.fc12, kdeplasma-addons-4.4.0-1.fc12, kde-l10n-4.4.0-1.fc12, kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc12.1, kde-plasma-stasks-0.5.1-7.fc12, kde-plasma-yawp-0.3.2-2.fc12, kdesdk-4.4.0-1.fc12, kde-settings-4.3-17, kdetoys-4.4.0-1.fc12, kdeutils-4.4.0-1.fc12, kgrab-0.1.1-22.fc12, kiconedit-4.4.0-1.fc12, kio_gopher-0.1.3-3.fc12, kipi-plugins-1.1.0-1.fc12.2, konq-plugins-4.4.0-2.fc12, kopete-cryptography-1.3.0-16.fc12, kphotoalbum-4.1.1-5.fc12, kpilot-5.3.0-4.fc12, oxygen-icon-theme-4.4.0-2.fc12, polkit-qt-0.95.1-3.fc12, PyKDE-3.16.6-3.fc12, PyQt-3.18.1-6.fc12, PyQt4-4.7-1.fc12, qedje-0.4.0-6.fc12, qgis-1.0.2-6.fc12, qscintilla-2.4.2-1.fc12, qt-creator-1.3.1-2.fc12, qtscriptgenerator-0.1.0-10.fc12, qzion-0.4.0-7.fc12, scidavis-0.2.3-13.fc12, sip-4.10-1.fc12, skanlite-0.4-1.fc12, soprano-2.4.0.1-1.fc12, strigi-0.7.2-2.fc12, virtuoso-opensource-6.1.0-2.fc12, webkitkde-0.0.5-0.1.svn1088283.fc12, kdepim-runtime-4.4.0-4.fc12, PyQwt-5.2.0-4.fc12 has been pushed to the Fedora 12 testing repository.  If problems still persist, please make note of it in this bug report.
 If you want to test the update, you can install it with 
 su -c 'yum --enablerepo=updates-testing update kbluetooth kdebase-workspace kdelibs kdepim kde-plasma-networkmanagement qt qbittorrent frescobaldi akonadi arora avogadro compiz digikam kcoloredit kdeaccessibility kdeadmin kdeartwork kdebase kdebase-runtime kdebindings kdeedu kdegames kdegraphics kdemultimedia kdenetwork kdepimlibs kdeplasma-addons kde-l10n kde-plasma-smooth-tasks kde-plasma-stasks kde-plasma-yawp kdesdk kde-settings kdetoys kdeutils kgrab kiconedit kio_gopher kipi-plugins konq-plugins kopete-cryptography kphotoalbum kpilot oxygen-icon-theme polkit-qt PyKDE PyQt PyQt4 qedje qgis qscintilla qt-creator qtscriptgenerator qzion scidavis sip skanlite soprano strigi virtuoso-opensource webkitkde kdepim-runtime PyQwt'.  You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F12/FEDORA-2010-2579

kbluetooth-0.4.1-2.fc12, kdebase-workspace-4.4.0-7.fc12, kdelibs-4.4.0-9.fc12, kdepim-4.4.0-5.fc12, kde-plasma-networkmanagement-0.9-0.12.20100220.fc12, qt-4.6.2-1.fc12, qbittorrent-2.1.5-4.fc12, frescobaldi-1.0.2-1.fc12, akonadi-1.3.1-2.fc12, arora-0.10.2-3.fc12, avogadro-1.0.0-3.fc12, compiz-0.8.2-24.fc12, digikam-1.1.0-2.fc12, kcoloredit-4.4.0-2.fc12, kdeaccessibility-4.4.0-1.fc12, kdeadmin-4.4.0-2.fc12, kdeartwork-4.4.0-1.fc12, kdebase-4.4.0-3.fc12, kdebase-runtime-4.4.0-3.fc12, kdebindings-4.4.0-1.fc12, kdeedu-4.4.0-1.fc12, kdegames-4.4.0-2.fc12, kdegraphics-4.4.0-1.fc12, kdemultimedia-4.4.0-1.fc12, kdenetwork-4.4.0-2.fc12, kdepimlibs-4.4.0-2.fc12, kdeplasma-addons-4.4.0-1.fc12, kde-l10n-4.4.0-1.fc12, kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc12.1, kde-plasma-stasks-0.5.1-7.fc12, kde-plasma-yawp-0.3.2-2.fc12, kdesdk-4.4.0-1.fc12, kde-settings-4.3-17, kdetoys-4.4.0-1.fc12, kdeutils-4.4.0-1.fc12, kgrab-0.1.1-22.fc12, kiconedit-4.4.0-1.fc12, kio_gopher-0.1.3-3.fc12, kipi-plugins-1.1.0-1.fc12.2, konq-plugins-4.4.0-2.fc12, kopete-cryptography-1.3.0-16.fc12, kphotoalbum-4.1.1-5.fc12, kpilot-5.3.0-4.fc12, oxygen-icon-theme-4.4.0-2.fc12, polkit-qt-0.95.1-3.fc12, PyKDE-3.16.6-3.fc12, PyQt-3.18.1-6.fc12, PyQt4-4.7-1.fc12, qedje-0.4.0-6.fc12, qgis-1.0.2-6.fc12, qscintilla-2.4.2-1.fc12, qt-creator-1.3.1-2.fc12, qtscriptgenerator-0.1.0-10.fc12, qzion-0.4.0-7.fc12, scidavis-0.2.3-13.fc12, sip-4.10-1.fc12, skanlite-0.4-1.fc12, soprano-2.4.0.1-1.fc12, strigi-0.7.2-2.fc12, virtuoso-opensource-6.1.0-2.fc12, webkitkde-0.0.5-0.1.svn1088283.fc12, kdepim-runtime-4.4.0-4.fc12, PyQwt-5.2.0-4.fc12 has been pushed to the Fedora 12 stable repository.  If problems still persist, please make note of it in this bug report.

kbluetooth-0.4.1-2.fc11, kdebase-workspace-4.4.0-7.fc11, kdelibs-4.4.0-9.fc11, kdepim-4.4.0-5.fc11, kde-plasma-networkmanagement-0.9-0.12.20100220.fc11, qt-4.6.2-1.fc11, qbittorrent-1.4.1-3.fc11, frescobaldi-1.0.2-1.fc11, akonadi-1.3.1-2.fc11, arora-0.10.2-3.fc11, compiz-0.7.8-20.fc11, digikam-1.1.0-2.fc11, kcoloredit-4.4.0-2.fc11, kdeaccessibility-4.4.0-1.fc11, kdeadmin-4.4.0-2.fc11, kdeartwork-4.4.0-1.fc11, kdebase-4.4.0-3.fc11, kdebase-runtime-4.4.0-3.fc11, kdebindings-4.4.0-1.fc11, kdeedu-4.4.0-1.fc11, kdegames-4.4.0-2.fc11, kdegraphics-4.4.0-1.fc11, kde-l10n-4.4.0-1.fc11, kdemultimedia-4.4.0-1.fc11, kdenetwork-4.4.0-2.fc11, kdepimlibs-4.4.0-2.fc11, kdeplasma-addons-4.4.0-1.fc11, kde-plasma-smooth-tasks-0.0.1-0.1.wip20091206.fc11.1, kde-plasma-stasks-0.5.1-7.fc11, kde-plasma-yawp-0.3.2-2.fc11, kdesdk-4.4.0-1.fc11, kde-settings-4.2-17, kdetoys-4.4.0-1.fc11, kdeutils-4.4.0-1.fc11, kgrab-0.1.1-22.fc11, kiconedit-4.4.0-1.fc11, kio_gopher-0.1.3-3.fc11, kipi-plugins-1.1.0-1.fc11.2, konq-plugins-4.4.0-2.fc11, kopete-cryptography-1.3.0-16.fc11, kphotoalbum-4.1.1-5.fc11, kpilot-5.3.0-4.fc11, oxygen-icon-theme-4.4.0-2.fc11, polkit-qt-0.9.3-2.fc11, PyKDE-3.16.6-3.fc11, PyQt-3.18.1-6.fc11, PyQt4-4.7-1.fc11, qedje-0.4.0-6.fc11, qgis-1.0.2-6.fc11, qscintilla-2.4.2-1.fc11, qt-creator-1.3.1-2.fc11, qtscriptgenerator-0.1.0-10.fc11, qzion-0.4.0-7.fc11, scidavis-0.2.3-13.fc11, sip-4.10-1.fc11, skanlite-0.4-1.fc11, soprano-2.4.0.1-1.fc11, strigi-0.7.2-2.fc11, virtuoso-opensource-6.1.0-2.fc11, webkitkde-0.0.5-0.1.svn1088283.fc11, kdepim-runtime-4.4.0-4.fc11, PyQwt-5.2.0-4.fc11 has been pushed to the Fedora 11 stable repository.  If problems still persist, please make note of it in this bug report.