Hi, I have the same problem and still couldn't resolve it. Even worse, my gentoo aborted the installation of kde because of the following: (Here is the error msg)
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Continued dowload failed on this file, which conflits with '-c'.
Refusing to truncate existing file '/usr/portage/distfiles/gtk+-2.6-smoothscroll-r5.patch'.
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I read the replies of this thread, so I also tried "emerge --usepkgonly kde", it says "there is no packages available to satisfy "kde".
I even copied all the packages from cdrom into /usr/portage/packages and set PKGDIR in /etc/make.conf to point to it, why it still downloading?
Thanks a lot!