autobuild[sn-devel-144]: intermittent test failure detected

autobuild autobuild at
Wed May 23 22:39:07 UTC 2018

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

The failure seems to be in the "samba-nt4" suite, whose build logs are available here:
The top commit at the time of the failure was:

commit 2fa2f132ae3de9a403b2d93d586570f59250de23
Author: Tim Beale <timbeale at>
Date:   Wed May 16 09:45:32 2018 +1200

    dsdb: Avoid calculating the PSO multiple times
    In a typical user login query, the code tries to work out the PSO 2-3
    times - once for the msDS-ResultantPSO attribute, and then again for the
    msDS-User-Account-Control-Computed & msDS-UserPasswordExpiryTimeComputed
    constructed attributes.
    The PSO calculation is reasonably expensive, mostly due to the nested
    groups calculation. If we've already constructed the msDS-ResultantPSO
    attribute, then we can save ourselves extra work by just re-fetching the
    result directly, rather than expanding the nested groups again from
    The previous patch improves efficiency when there are no PSOs in the
    system. This should improve the case where there are PSOs that apply to
    the users. (Unfortunately, it won't help where there are some PSOs in
    the system, but no PSO applies to the user being queried).
    Also updated sam.c so the msDS-ResultantPSO gets calculated first,
    before the other constructed attributes.
    Signed-off-by: Tim Beale <timbeale at>
    Reviewed-by: Andrew Bartlett <abartlet at>
    Reviewed-by: Garming Sam <garming at>
    Autobuild-User(master): Garming Sam <garming at>
    Autobuild-Date(master): Wed May 23 10:09:11 CEST 2018 on sn-devel-144

and the last 50 lines of the stdout log were:

[454(2312)/501 at 18m42s]$DOMAIN(nt4_dc:local)
[455(2313)/501 at 18m42s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_dc:local)
[456(2314)/501 at 18m42s] samba.wbinfo_simple.change-secret.domain=$DOMAIN(nt4_dc:local)
[457(2315)/501 at 18m42s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_dc:local)
[458(2316)/501 at 18m42s]$DOMAIN(nt4_dc:local)
[459(2317)/501 at 18m42s] samba.wbinfo_simple.domain-users(nt4_dc:local)
[460(2318)/501 at 18m42s] samba.wbinfo_simple.domain-groups(nt4_dc:local)
[461(2319)/501 at 18m42s]$DC_USERNAME(nt4_dc:local)
[462(2320)/501 at 18m43s]$DOMAIN/$DC_USERNAME(nt4_dc:local)
[463(2321)/501 at 18m43s] samba.wbinfo_simple.user-info=$DOMAIN/$DC_USERNAME(nt4_dc:local)
[464(2322)/501 at 18m43s] samba.wbinfo_simple.user-groups=$DOMAIN/$DC_USERNAME(nt4_dc:local)
[465(2323)/501 at 18m43s] samba.wbinfo_simple.authenticate=$DOMAIN/$DC_USERNAME%$DC_PASSWORD(nt4_dc:local)
[466(2324)/501 at 18m43s] samba.wbinfo_simple.allocate-uid(nt4_dc:local)
[467(2325)/501 at 18m43s] samba.wbinfo_simple.allocate-gid(nt4_dc:local)
[468(2326)/501 at 18m43s] samba.wbinfo_sids2xids.(nt4_dc:local)(nt4_dc:local)
[469(2327)/501 at 18m50s] samba.ntlm_auth.diagnostics(nt4_dc:local)(nt4_dc:local)
[470(2328)/501 at 18m50s] samba.ntlm_auth.(nt4_dc:local)(nt4_dc:local)
[471(2347)/501 at 18m51s]
[472(2348)/501 at 18m52s] samba.wbinfo_simple.separator(nt4_member:local)
[473(2349)/501 at 18m52s] samba.wbinfo_simple.own-domain(nt4_member:local)
[474(2350)/501 at 18m52s] samba.wbinfo_simple.all-domains(nt4_member:local)
[475(2351)/501 at 18m52s] samba.wbinfo_simple.trusted-domains(nt4_member:local)
[476(2352)/501 at 18m52s] samba.wbinfo_simple.domain-info=BUILTIN(nt4_member:local)
[477(2353)/501 at 18m52s] samba.wbinfo_simple.domain-info=$DOMAIN(nt4_member:local)
[478(2354)/501 at 18m52s]
[479(2355)/501 at 18m52s]
[480(2356)/501 at 18m52s]$DOMAIN(nt4_member:local)
[481(2357)/501 at 18m52s] samba.wbinfo_simple.check-secret.domain=$DOMAIN(nt4_member:local)
UNEXPECTED(failure): samba.wbinfo_simple.check-secret.domain=SAMBA-TEST.wbinfo(nt4_member:local)
REASON: Exception: Exception: wbcCheckTrustCredentials(SAMBA-TEST): error code was NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND (0xc0000233)
failed to call wbcCheckTrustCredentials: WBC_ERR_AUTH_ERROR
Could not check secret
checking the trust secret for domain SAMBA-TEST via RPC calls failed

FAILED (1 failures, 0 errors and 0 unexpected successes in 0 testsuites)

A summary with detailed information can be found in:
TOP 10 slowest tests
samba3.raw.notify(nt4_dc) -> 99
samba3.smb2.notify(nt4_dc) -> 79
samba3.rpc.samr.passwords.lockout(nt4_dc) -> 62
samba4.rpc.echo on ncacn_np with object(nt4_dc) -> 61
samba3.rpc.samr.passwords.pwdlastset(nt4_dc) -> 48 -> 45
samba3.smb2.oplock(nt4_dc) -> 42
samba3.raw.oplock(nt4_dc) -> 42 -> 35
samba3.raw.lock(nt4_dc) -> 33
ERROR: test failed with exit code 1

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