I get a similar dependency problem. E: Couldn't configure pre-depend libc6-i386 for libc6-dev-i386, probably a dependency cycle. upgrading from libc6-i386 2.9-21 -> Version: 2.9-22 Inside libc6-i386 2.9-22 deb I can see a: Replaces: libc6-dev-i386 but there is an actual libc6-dev-i386 package whose version is 2.9-22 in my apt/cache -- Ivan Sergio Borgonovo http://www.webthatworks.it