OK, removing those links I just created, I now did # aptitude install libqtcore4/unstable libqt4-webkit/unstable #note the latter is not in Depends, but I think you said I need it. ...and this time, googleearth lasts a total of six seconds.
Major Version 5 Minor Version 2 Build Number 0001 Build Date Sep 1 2010 Build Time 11:25:42 OS Type 3 OS Major Version 2 OS Minor Version 6 OS Build Version 32 OS Patch Version 0 Crash Signal 11 Crash Time 1289985947 Up Time 6.08898
Stacktrace from glibc: /usr/lib/googleearth/libgoogleearth_free.so(+0xd090b)[0xb77a090b] [0xb78db400] /usr/lib/libQtGui.so.4(_ZN14QWidgetPrivate11show_helperEv+0x61)[0xb6a4c391] /usr/lib/libQtGui.so.4(_ZN7QWidget10setVisibleEb+0x1eb)[0xb6a4e93b] /usr/lib/libQtGui.so.4(_ZN14QWidgetPrivate12showChildrenEb+0x168)[0xb6a4c858] /usr/lib/libQtGui.so.4(_ZN14QWidgetPrivate11show_helperEv+0x61)[0xb6a4c391] /usr/lib/libQtGui.so.4(_ZN7QWidget10setVisibleEb+0x1eb)[0xb6a4e93b] /usr/lib/libQtGui.so.4(_ZN7QWidget10showNormalEv+0x72)[0xb6a3be82] /usr/lib/googleearth/libgoogleearth_free.so(_ZN10MainWindow18readScreensizeInfoEv+0xc35)[0xb776bb15] /usr/lib/googleearth/libgoogleearth_free.so(_ZN5earth6client11Application12SetupMainWinENS0_3Kvw7ProductEb+0x29e)[0xb77a4c1e] /usr/lib/googleearth/libgoogleearth_free.so(_ZN5earth6client11Application3runEv+0x42f)[0xb77aba7f] /usr/lib/googleearth/libgoogleearth_free.so(earthmain+0x27d)[0xb779fd3d] /usr/lib/googleearth/googleearth-bin(_init+0x12e)[0x80486d2] /lib/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xb53efc76] /usr/lib/googleearth/googleearth-bin(_init+0x9d)[0x8048641]
Do you have any other ideas? I did not reinstall. Just apt-got other packages etc.