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Re: (ITS#5444) slapd seg. fault using mulitmirrored mode
Pierangelo Masarati wrote:
> email@example.com wrote:
>> firstname.lastname@example.org wrote:
>>> email@example.com wrote:
>>>> firstname.lastname@example.org wrote:
>>>>> The above log was generated using the test050 script just adding a line which
>>>>> enters information also to a second server. Perhaps this test would also make
>>>>> sense for further releases.
>>>> Can you please post the modification to the script?
>>> Never mind, I could reproduce it. It seems to be a duplicate of
>>> ITS#5437. What actually happens is that if modifications are applied to
>>> all three servers, those applied to consumers do not persist, nor get
>>> replicated; on the contrary, the consumers crash later on as described
>>> in ITS#5437.
>> #5437? What you're talking about doesn't seem to match any text in ITS#5437.
> Well, sorry for not providing more details, I was going to investigate
> it a little bit more but I had to leave. The crash to me occurs in
> syncprov_done_ctrl(), as indicated in ITS#5437. What happens is that
> syncprov_done_ctrl() with an invalid cookie (unset; clearing it in
> syncprov_search_response(), as suggested in ITS#5437 leads to the
> behavior I described (writes to consumers are simply ignored, don't
> persist in the consumers and are not replicated). To reproduce, add
> something to a consumer close to the end of test050, before killing the
> servers, and wait a little bit to let things proceed to the crash.
OK, I've reproduced the crash and patched it in HEAD, and added a consumer
write to the test050 script. Please test.
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/