The KDE 3.5.3 split ebuilds appear to contain a bug that causes files with '.tif' filename extension to be identified as being images in RAW format rather than TIFF. KDE folks say it is a gentoo bug: http://bugs.kde.org/show_bug.cgi?id=127903 emerge info: Portage 2.0.54-r2 (default-linux/x86/2006.0, gcc-3.4.6, glibc-2.3.6-r3, 2.6.15-gentoo-r1 i686) ================================================================= System uname: 2.6.15-gentoo-r1 i686 AMD Athlon(tm) Processor Gentoo Base System version 1.12.1 distcc 2.18.3 i686-pc-linux-gnu (protocols 1 and 2) (default port 3632) [disabled] dev-lang/python: 2.3.3-r1, 2.4.2 dev-python/pycrypto: [Not Present] dev-util/ccache: [Not Present] dev-util/confcache: [Not Present] sys-apps/sandbox: 1.2.17 sys-devel/autoconf: 2.13, 2.59-r7 sys-devel/automake: 1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1 sys-devel/binutils: 2.16.1-r2 sys-devel/gcc-config: 1.3.13-r2 sys-devel/libtool: 1.5.22 virtual/os-headers: 2.6.11-r2 ACCEPT_KEYWORDS="x86" AUTOCLEAN="yes" CBUILD="i686-pc-linux-gnu" CFLAGS="-O2 -march=athlon -pipe -fomit-frame-pointer -mmmx -m3dnow -ffast-math" CHOST="i686-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/lib/X11/xkb /usr/share/config /usr/share/texmf/dvipdfm/config/ /usr/share/texmf/dvips/config/ /usr/share/texmf/tex/generic/config/ /usr/share/texmf/tex/platex/config/ /usr/share/texmf/xdvi/" CONFIG_PROTECT_MASK="/etc/gconf /etc/terminfo /etc/env.d" CXXFLAGS="-O2 -march=athlon -pipe -fomit-frame-pointer -mmmx -m3dnow -ffast-math" DISTDIR="/usr/portage/distfiles" FEATURES="autoconfig distlocks sandbox sfperms strict" GENTOO_MIRRORS="ftp://ftp.easynet.nl/mirror/gentoo/ ftp://mirror.nutsmaas.nl/gentoo/ http://ftp-stud.fht-esslingen.de/pub/Mirrors/gentoo/ http://mirrors.sec.informatik.tu-darmstadt.de/gentoo/" LC_ALL="nl_NL@euro" LINGUAS="nl" MAKEOPTS="-j3" PKGDIR="/usr/portage/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" SYNC="rsync://rsync.gentoo.org/gentoo-portage" USE="x86 3dnow 3dnowex X a52 aac aalib alsa apache2 apm arts audiofile avi berkdb bitmap-fonts bzip2 cdparanoia cdr cli crypt cups curl dri dts dv dvd eds emboss encode exif expat fam ffmpeg flac fluidsynth foomaticdb fortran gd gdbm gif gimpprint glut gnome gphoto2 gpm gstreamer gtk gtk2 hal idn imagemagick imlib isdnlog jack jpeg kde kdeenablefinal ladcca languas_nl lcms libg++ libwww lirc mad matroska ming mmx mmx2 mmxext mng motif mp3 mpeg ncurses no_wxgtk1 nodrm nptl ogg openal opengl pam pcre pdflib perl png pppd python qt quicktime readline reflection rtc ruby sdl session slang sox spell spl sqlite ssl svg tcltk tcpd tetex theora tiff truetype truetype-fonts type1-fonts udev usb vorbis win32codecs xine xinerama xml xml2 xmms xorg xscreensaver xv xvid xvmc zlib linguas_nl userland_GNU kernel_linux elibc_glibc" Unset: CTARGET, INSTALL_MASK, LANG, LDFLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTAGE_RSYNC_OPTS, PORTDIR_OVERLAY
We do not apply custom patches, aside of security and compatibility issues. I also can't reproduce your problem. I guess you played too much with the file association dialog within the control center. Try, if deleting ~.kde/share/mimelnk helps.
Cannot reproduce either, closing.