Hi Oleg, The resolver in libcupt-perl 1.3.0 got substantially modified, can you try now 'cupt -s install -t stable kde -o cupt::resolver::quality-bar=-2000' and report does it produce a solution and in what time on your machine?
-- Eugene V. Lyubimkin aka JackYF, JID: jackyf.devel(maildog)gmail.com C++/Perl developer, Debian Developer
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