Wedged

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In the web-server context: to be stuck, incapable of proceeding without help. This is different from having crashed. If the system has crashed, it has become totally non-functioning and necessarily non-functional. If the system is wedged, it is trying to do something but cannot make progress; it may be capable of doing a few things, but not be fully operational. For example, a process may become wedged if it deadlocks with another (but not all instances of wedging are deadlocks). See also gronk, locked up, hosed, hung (wedged is more severe than hung).

This article is based in part on the Jargon File, which is in the public domain.