[MDEV-15814] Travis-CI (consistent) failures for 10.3 branch Created: 2018-04-08  Updated: 2018-06-29  Resolved: 2018-06-29

Status: Closed
Project: MariaDB Server
Component/s: Tests
Affects Version/s: 10.3
Fix Version/s: 10.3.8

Type: Bug Priority: Major
Reporter: Otto Kekäläinen Assignee: Teodor Mircea Ionita (Inactive)
Resolution: Fixed Votes: 0
Labels: None
Environment:

Travis-CI: Ubuntu 14.04

Attachments: PNG File travis-ci permanen fail on 10.3 2018-04-08 23-28-34.png    
Issue Links:
Blocks
is blocked by MDEV-15430 type_float.test floating point error ... Closed

 Description   

I noticed that Travis-CI has been failing a lot since January 2018. When I wrote the blog post https://mariadb.org/protected-branches-ensuring-code-quality-git/ there was some sporadic failures, but not permanent failures.

Now when I used the commit 1730ac5c4ae1dc62f6fca5e751a8b08e9119be6a as a base and did 4 non-changing commits in a row just to see what results are sporadic or not, I got in each and every build the exactly same failures:

Failing test(s): main.type_datetime_hires main.select_pkeycache main.select main.select_jcl6 main.type_float main.func_str main.type_time_hires main.type_timestamp_hires

Logs:
https://api.travis-ci.org/v3/job/363800253/log.txt
https://api.travis-ci.org/v3/job/363781035/log.txt
https://api.travis-ci.org/v3/job/363685618/log.txt
https://api.travis-ci.org/v3/job/363592371/log.txt

These happen only in the build with

  • Compiler: clang Xcode: xcode9.1 C++
  • GCC_VERSION=5 TYPE=RelWithDebInfo MYSQL_TEST_SUITES=main,archive,optimizer_unfixed_bugs,parts,sys_vars,unit,vcol,innodb,innodb_gis,innodb_zip,innodb_fts

See screenshot

 Comments   
Comment by Otto Kekäläinen [ 2018-04-08 ]

All failures seem to be related to the same floating point being rounded/offset a bit. This is not visible on Buildbot as clang is not tested there.

The effect of a small floating point imprecision is not big per se, but the fact that this keeps Travis-CI failing permanently makes this a blocker. This MDEV should be closed either by fixing the issues themselves (MDEV-15430, MDEV-14419) or by removing these individual tests or by disabling the specific clang build variant in the .travis.yml configuration.

Travis-CI must be become green and kept all green!

Comment by Teodor Mircea Ionita (Inactive) [ 2018-06-29 ]

Clang4 has been removed from the Travis build matrix.

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