tor relay dies with: Assertion pol->magic == EWMA_POL_DATA_MAGIC failed; aborting.

Tor (in relay mode) died with the following error message:

[err] tor_assertion_failed_(): Bug: src/or/circuitmux_ewma.c:123: TO_EWMA_POL_DATA: Assertion pol->magic == EWMA_POL_DATA_MAGIC failed; aborting.
[err] Bug: Assertion pol->magic == EWMA_POL_DATA_MAGIC failed in TO_EWMA_POL_DATA at src/or/circuitmux_ewma.c:123. (Stack trace not available)

Tor version: 0.2.5.12 Platform: OpenBSD 5.7

Trac:
Username: ewma

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