File "/usr/lib/python2.5/site-packages/apt/cache.py", line 177, in _fetchArchives
if not pm.GetArchives(fetcher, self._list, self._records):
SystemError: E:I wasn't able to locate file for the mesa-utils package. This might mean you need to manually fix this package.
Temporarily untagging, retracing fails with
File "/usr/lib/ python2. 5/site- packages/ apt/cache. py", line 177, in _fetchArchives fetcher, self._list, self._records):
if not pm.GetArchives(
SystemError: E:I wasn't able to locate file for the mesa-utils package. This might mean you need to manually fix this package.
Will investigate later.