Autobuilds now exceeding 5 hour limit

Stefan Metzmacher metze at
Sun Mar 11 21:58:31 UTC 2018

Am 11.03.2018 um 21:32 schrieb Douglas Bagnall via samba-technical:
> On 11/03/18 17:33, autobuild wrote:
>> 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 samba build logs are available here:
> The last 4 failures, including this, seem to have failed because they
> exceeded the 5 hour timeout. This has never happened before, though we
> did start hitting the then 4 hour limit in January.
> Why is it slower? I don't know. No doubt the combination of the ldb
> performance regression in ef240aaca0ef693a967 (committed 2017-12-20),
> meltdown/spectre mitigations, and the ever increasing number of tests
> don't help, but it seems as if something in the last few days has made
> it significantly worse.
> Comparing the "TOP 10 slowest" list with one from December in a very
> unscientific manner, I see slowdowns everywhere, with the worst being
> in vlv, drs.link_conflicts, and ridalloc_exop.

One of my private autobuild has gone wild, it produced a 100 % cpu loop
and ~10 processes were doing that.



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