[PATCH] Fix BAD_NET_RESP error in DsReplicaSync
abartlet at samba.org
Sun Jul 23 02:00:13 UTC 2017
On Sun, 2017-07-23 at 00:22 +0200, Stefan Metzmacher wrote:
> Am 22.07.2017 um 12:29 schrieb Andrew Bartlett via samba-technical:
> > This error has been plaguing out tests for a while making our
> > replication tests flap.
> > I got it locally and with a network trace, which made it clear the
> > issue is a lack of mutual exclusion between outbound GetNCChanges and
> > DsReplicaSync operations.
> Pushed, thanks!
> Can you upload the network trace to the bug report? I'd like to have a look.
Done. So far just the problematic TCP stream, the rest is 160MB even
xz compressed. Of course I can upload that as well if you like.
The trick to finding the bad packet was time correlation with the
failure in the subunit logs.
I won't say we have seen the last replication flapping test, but I'm
feeling much better about it than I have for a number of years. :-)
Andrew Bartlett http://samba.org/~abartlet/
Authentication Developer, Samba Team http://samba.org
Samba Developer, Catalyst IT http://catalyst.net.nz/services/samba
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