qtcurve-gtk2-1.4.0-1 causes segfaults with all gtk applications on my machine (amd64), e.g.: firefox-bin[1737]: segfault at d8 ip 00007f292ca9da19 sp 00007fff377b4cd0 error 4 in libgdk-x11-2.0.so.0.2000.1[7f292ca3c000+a9000]