Gwenview ist Kde.
Hast Du mit allen kde-4.7.4 und qt-4.8 aus experimental schon versucht?
[edit] ausser ein paar "Destroyed" löppt alles bei mir mit den Paketen - inklusive qt-4.8 - aus experimental performant:
ral@maci:~$ dolphin
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
QProcess: Destroyed while process is still running.
Warning: Directory Pentax, entry 0x0004: Data area exceeds data buffer, ignoring it.
QProcess: Destroyed while process is still running. dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
dolphin(3220)/kdecore (KConfigSkeleton) KCoreConfigSkeleton::writeConfig:
ral@maci:~$
Du meinst doch "Vorschau" in Dolphin, oder?