Bug 1406172

FYI:

MariaDB has internal list of unstable test:

 https://github.com/MariaDB/server/blob/5d9ca52219e4a4c92fc4a80ffc09b5075b1e5616/mysql-test/unstable-tests

which are skipped. MySQL don't use such list.

Sorry, list is not used by default (tests are not skipped), it's optional.

MySQL build passes "--mem --parallel=auto" to mtr, while mariadb use "export MTR_PARALLEL=". The former is much faster, however can be more unstable.

This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle.
Changing version to '26'.

community-mysql-5.7.19-1.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-ee93493bea

community-mysql-5.7.19-1.fc24 has been pushed to the Fedora 24 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-7a827cf42a

community-mysql-5.7.19-1.fc25 has been pushed to the Fedora 25 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-7c039552fa

community-mysql-5.7.19-1.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-ee93493bea

community-mysql-5.7.19-3.fc27 failed to build on x86_64:

main.type_float                          w3 [ fail ]
        Test ended at 2017-07-26 05:55:10
CURRENT_TEST: main.type_float
--- /builddir/build/BUILD/mysql-5.7.19/mysql-test/r/type_float.result	2017-06-22 17:13:19.000000000 +0300
+++ /builddir/build/BUILD/mysql-5.7.19/build/mysql-test/var/3/log/type_float.reject	2017-07-26 08:55:10.459489234 +0300
@@ -280,7 +280,7 @@
 (6, -1695.31), (6, 1003.77), (6, 499.72), (6, 191.82);
 explain select sum(b) s from t1 group by a;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	26	100.00	Using temporary; Using filesort
+1	SIMPLE	t1	NULL	ALL	NULL	NULL	NULL	NULL	24	100.00	Using temporary; Using filesort
 Warnings:
 Note	1003	/* select#1 */ select sum(`test`.`t1`.`b`) AS `s` from `test`.`t1` group by `test`.`t1`.`a`
 select sum(b) s from t1 group by a;
@@ -314,7 +314,7 @@
 alter table t1 add key (a, b);
 explain select sum(b) s from t1 group by a;
 id	select_type	table	partitions	type	possible_keys	key	key_len	ref	rows	filtered	Extra
-1	SIMPLE	t1	NULL	index	a	a	14	NULL	26	100.00	Using index
+1	SIMPLE	t1	NULL	index	a	a	14	NULL	24	100.00	Using index
 Warnings:
 Note	1003	/* select#1 */ select sum(`test`.`t1`.`b`) AS `s` from `test`.`t1` group by `test`.`t1`.`a`
 select sum(b) s from t1 group by a;
mysqltest: Result content mismatch

https://koji.fedoraproject.org/koji/taskinfo?taskID=20744546

This affects rebuilding the package for binutils bug 1475636.

The testsuite is still not fully stable.

However, with latest update, it made a big step, from failing like 19/20 builds, it only fail in 1/3 builds cca.

I'd suugest you to make a few more builds.

community-mysql-5.7.19-1.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.

community-mysql-5.7.19-1.fc25 has been pushed to the Fedora 25 stable repository. If problems still persist, please make note of it in this bug report.