Bug#190611: What is this bug waiting for?!?
Just update the Conflicts already.
Bug#223872: dpkg ignores preconfigure script failures
Package: dpkg Version: 1.10.18 Severity: important dpkg proceeds even if the preconfigure scripts do not successfully run. For example, /tmp is locally mounted noexec to prevent abuse. After upward of a hundred errors like the below, dpkg carried through the rest of the install and completed with