Ho fatto come hai detto, ma ricevo un errore. Ecco la shell:

debianp3:~# apt-get update && apt-get dist-upgrade
Get:1 http://non-us.debian.org unstable/non-US/main Packages [5116B]
Get:2 http://non-us.debian.org unstable/non-US/main Release [89B]
Get:3 http://non-us.debian.org unstable/non-US/contrib Packages [20B]
Get:4 http://non-us.debian.org unstable/non-US/contrib Release [92B]
Get:5 http://non-us.debian.org unstable/non-US/non-free Packages [1440B]
Get:6 http://non-us.debian.org unstable/non-US/non-free Release [93B]
Get:7 http://non-us.debian.org unstable/non-US/main Sources [2771B]
Get:8 http://non-us.debian.org unstable/non-US/main Release [91B]
Get:9 http://non-us.debian.org unstable/non-US/contrib Sources [20B]
Get:10 http://non-us.debian.org unstable/non-US/contrib Release [94B]
Get:11 http://non-us.debian.org unstable/non-US/non-free Sources [506B]
Get:12 http://non-us.debian.org unstable/non-US/non-free Release [95B]
Get:13 ftp://ftp.nerim.net unstable/main Packages [14.8kB]
Get:14 ftp://ftp.nerim.net unstable/main Release [112B]
Get:15 ftp://ftp.ie.debian.org unstable/main Packages [3099kB]
Get:16 ftp://ftp.ie.debian.org unstable/main Release [82B]
Get:17 ftp://ftp.ie.debian.org unstable/non-free Packages [66.7kB]
Get:18 ftp://ftp.ie.debian.org unstable/non-free Release [86B]
Get:19 ftp://ftp.ie.debian.org unstable/contrib Packages [72.5kB]
Get:20 ftp://ftp.ie.debian.org unstable/contrib Release [85B]
Get:21 ftp://ftp.ie.debian.org unstable/main Sources [1227kB]
Get:22 ftp://ftp.ie.debian.org unstable/main Release [84B]
Get:23 ftp://ftp.ie.debian.org unstable/non-free Sources [26.2kB]
Get:24 ftp://ftp.ie.debian.org unstable/non-free Release [88B]
Get:25 ftp://ftp.ie.debian.org unstable/contrib Sources [32.7kB]
Get:26 ftp://ftp.ie.debian.org unstable/contrib Release [87B]
Fetched 4550kB in 36s (123kB/s)
Reading Package Lists... Error!
E: Dynamic MMap ran out of room
E: Error occured while processing qps (NewVersion1)
E: Problem with MergeList /var/lib/apt/lists/ftp.ie.debian.org_debian_dists_unstable_main_binar y-i386_Packages
E: The package lists or status file could not be parsed or opened.

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Inoltre avevo già provato ad installarlo con konstruct (anche se mi ha dato degli errori), devo disinstallarlo prima di fare apt-get?