autobuild failure due to python replication tests - why ?

[Jeremy Allison]

On Tue, Aug 02, 2016 at 05:13:34PM +1200, Andrew Bartlett wrote:
> On Mon, 2016-08-01 at 19:47 -0700, Jeremy Allison wrote:
> > On Mon, Aug 01, 2016 at 07:32:03PM -0700, Jeremy Allison wrote:
> > > 
> > > Then the replication tests and ctdb tests NEED TO BE REMOVED NOW !
> > 
> > Apologies. Error EIAMTOOMUCHOFANASSHOLE :-).
> > 
> > That was a little too strong. However I hope you understand
> > my frustrations with this, we really do need to get a fix
> > for this sooner (this week ?) rather than later. This week
> > please ?
> > 
> > In the meantime I'll resubmit, but that can't be the long
> > term solution.
> 
> I'm running tests to see if
> reverting 055544321389de5d5cea8e129e0923369e9f558b or
> e0b6d6bb10479759905932ea5438fc57713f0a8f helps, as this got much worse
> just as we forked for 4.5, which is where this commit was.
> 
> It may simply be that we don't correctly notice the new schema, or the
> need for new schema to replicate schema.

Please let me know asap. My re-pushed autobuild failed (again)
with another timeout in a different (kcc this time) python
script.

[1917(13307)/1951 at 2h45m53s] samba.tests.blackbox.samba_tool_drs(promoted_dc:local)
UNEXPECTED(error): samba.tests.blackbox.samba_tool_drs.samba.tests.blackbox.samba_tool_drs.SambaToolDrsTests.test_samba_tool_kcc(promoted_dc:local)
REASON: Exception: Exception: Traceback (most recent call last):
  File "bin/python/samba/tests/blackbox/samba_tool_drs.py", line 62, in test_samba_tool_kcc
    self.cmdline_creds))
  File "bin/python/samba/tests/__init__.py", line 804, in check_output
    raise BlackboxProcessError(retcode, line, p.stdout.read(), p.stderr.read())
BlackboxProcessError: Command '/memdisk/jra/a/b31610/samba/bin/samba-tool drs kcc localdc -USAMBADOMAIN/Administrator%locDCpass1'; exit status 255; stdout: ''; stderr: 'ERROR(runtime): DsExecuteKCC failed - (-1073741643, '{Device Timeout} The specified I/O operation on %hs was not completed before the time-out period expired.')
'

If we can't get this fixed we really are going to have
to either remove these tests or mark them flakey, and
sooner rather than later.