problem s apt

[Miroslav Maiksnar <m bod maiksnar zavinac volny bod cz>]

Zdar lidi,
mam nasledujici problem. pouzivam balicky stable/testing/unstable, ale kdyz mam v sources.list vsechny, tak mi apt-get update zbuchne s nasledujici chybou? Tusite nekdo jak by se to dalo vyresit?

Dikes. 
Mixi

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Get:43 ftp://ftp.cz.debian.org unstable/contrib Sources [32.1kB]
Get:44 ftp://ftp.cz.debian.org unstable/contrib Release [87B]
Get:45 ftp://ftp.cz.debian.org unstable/non-free Sources [32.2kB]
Get:46 ftp://ftp.cz.debian.org unstable/non-free Release [88B]
Fetched 6798kB in 1m12s (93.9kB/s)
Reading Package Lists... Error!
E: Dynamic MMap ran out of room
E: Dynamic MMap ran out of room
E: Ran out of allocation pools
E: Error occured while processing cyrus-imapd (NewVersion1)
E: Problem with MergeList
/var/lib/apt/lists/security.debian.org_dists_stable_updates_main_binary-i386_Packages
E: The package lists or status file could not be parsed or opened.