[Postgres-xc-developers] checkpoint makes coordinator exit

[mei le <lem...@ya...>]

When I use checkpoint command, the coordinator report the error as belows.Is it a bug or something?
 
template1=# checkpoint;
server closed the connection unexpectedly
 This probably means the server terminated abnormally
 before or while processing the request.
The connection to the server was lost. Attempting reset: LOG:  server process (PID 20650) was terminated by signal 11: Segmentation fault
LOG:  terminating any other active server processes
LOG:  unexpected EOF on client connection
LOG:  all server processes terminated; reinitializing
LOG:  database system was interrupted; last known up at 2010-09-26 11:41:16 CST
LOG:  database system was not properly shut down; automatic recovery in progress
FATAL:  failed to connect to pool manager: Connection refused
Failed.
!> LOG:  record with zero length at 0/4D9538
LOG:  redo is not required