Re: (ITS#4720) hdb deadlock

[hyc@symas.com]

richton@nbcs.rutgers.edu wrote:
> Full_Name: Aaron Richton
> Version: 2.3.28
> OS: Solaris 9
> URL: https://www.nbcs.rutgers.edu/~richton/richton-20061026-backtrace.txt
> Submission from: (NULL) (68.193.253.190)
> 
> 
> Solaris 9, BDB 4.2.52+4, OL 2.3.28.
> 
> ldapadd submitted, deadlocked one hdb suffix. Other hdb's remained fine.
> Backtrace of dead slapd at
> 
> https://www.nbcs.rutgers.edu/~richton/richton-20061026-backtrace.txt
> 
> and db_stat -CA of affected database at
> 
> https://www.nbcs.rutgers.edu/~richton/richton-20061026-dbstatCA.txt
> 
> 
> I have the core file saved if you need any variables out, but this was
> production so I had to restart the service/no opportunity for live debugging.

For an immediate workaround, turn off syncprov's contextCSN 
checkpointing. It will only checkpoint during a clean shutdown, but that 
shouldn't be a problem.

-- 
   -- Howard Chu
   Chief Architect, Symas Corp.  http://www.symas.com
   Director, Highland Sun        http://highlandsun.com/hyc
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