from preamble:

"Change Set:		UUID-Fix-CdG
Date:			19 November 2002
Author:			Cees de Groot

This patch tries to make it less likely that the same UUID is generated
twice:
- On startup, the default generator is flushed;
- The system tries harder to get a quality random seed, first from
/dev/urandom
  (on lots of Unix systems), then from the sound input. If they both
fail, it
  generates one based on the millisecond clock and the current date/time
"!
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