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
is blocked by
MDEV-15430
type_float.test floating point error clang-4
Closed
made changes -
2018-04-08 20:40
Fix Version/s
10.3
[ 22126
]
Assignee
Vicentiu Ciorbaru
[ cvicentiu
]
made changes -
2018-04-08 20:40
Component/s
Tests
[ 10800
]
made changes -
2018-04-12 10:58
Priority
Blocker
[ 1
]
Critical
[ 2
]
made changes -
2018-04-17 15:34
Priority
Critical
[ 2
]
Major
[ 3
]
made changes -
2018-06-29 11:14
Assignee
Vicentiu Ciorbaru
[ cvicentiu
]
Teodor Mircea Ionita
[ teodor
]
made changes -
2018-06-29 11:17
Fix Version/s
10.3.8
[ 23113
]
Fix Version/s
10.3
[ 22126
]
Resolution
Fixed
[ 1
]
Status
Open
[ 1
]
Closed
[ 6
]
made changes -
2021-12-06 21:47
Workflow
MariaDB v3
[ 86436
]
MariaDB v4
[ 154120
]
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Bug
Major
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!