Re: (ITS#5470) Sporadic failures with RE24

[raphael.ouazana@linagora.com]

Hi,

Le Ven 2 mai 2008 11:01, hyc@symas.com a écrit :
> luca@OpenLDAP.org wrote:
>> luca@OpenLDAP.org wrote:
>>> This is a multi-part message in MIME format.
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>>>
>>> Howard Chu wrote:
>>>
>>>> Thanks. Please try HEAD again.
>>>>
>>> No way.
>>> new testrun directory in
>>> ftp://ftp.sys-net.it/luca_scamoni_its5470_20080430-new.tgz
>>>
>>> backtrace attached
>>>
>> recent commits seem to have fixed it (at least, right now I'm not able
>> to reproduce it anymore...)
>
> Right. Confirmed here too; I (temporarily) added an assert(0) to the
> offending
> branch of code to make sure the patch was actually getting hit. It takes a
> very particular timing to trigger that code path.
>
> I'm not sure how we can reliably test for this down the road. Perhaps we
> should add a "disabled" config keyword for backends and syncrepl
> consumers, so
> that we can start up the individual servers, (which takes an unpredictable
> amount of time for each) and then enable various parts in a fixed sequence
> (e.g. 1 second sleeps between ldapmodify/enable requests). Even that's hit
> or
> miss, because our test database is so small it's unlikely that we can hit
> the
> window of time on demand.

I'm testing the last RE24 tag. After 201 successful runs of test050, I got
a failure :/
Cleaning up test run directory leftover from previous run.
Running ./scripts/test050-syncrepl-multimaster...
running defines.sh
Initializing server configurations...
Starting producer slapd on TCP/IP port 9011...
Using ldapsearch to check that producer slapd is running...
Inserting syncprov overlay on producer...
Starting consumer slapd on TCP/IP port 9012...
Using ldapsearch to check that consumer slapd is running...
Configuring syncrepl on consumer...
Starting consumer2 slapd on TCP/IP port 9013...
Using ldapsearch to check that consumer2 slapd is running...
Configuring syncrepl on consumer2...
Adding schema and databases on producer...
Using ldapadd to populate producer...
Waiting 20 seconds for syncrepl to receive changes...
Using ldapadd to populate consumer...
Waiting 20 seconds for syncrepl to receive changes...
Using ldapsearch to check that syncrepl received database changes...
Waiting 5 seconds for syncrepl to receive changes...
Waiting 5 seconds for syncrepl to receive changes...
Waiting 5 seconds for syncrepl to receive changes...
Waiting 5 seconds for syncrepl to receive changes...
Waiting 5 seconds for syncrepl to receive changes...
Waiting 5 seconds for syncrepl to receive changes...
ldapsearch failed (32)!

testrun uploaded in
ftp://ftp.openldap.org/incoming/raphael-ouazana-testrun-080505.tgz

Regards,
Raphaël Ouazana.