The sample MTR calls
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./mysql-test-run.pl --mysqld=--innodb_random_read_ahead=ON innodb.create-index
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./mysql-test-run.pl --mysqld=--innodb_flush_sync=0 innodb.create-index
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end up in
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Logging: ./mysql-test-run.pl --mysqld=--innodb_flush_sync=0 innodb.create-index
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vardir: /home/mleich/Server_bin/10.5_asan_Og/mysql-test/var
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Checking leftover processes...
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Removing old var directory...
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- WARNING: Using the 'mysql-test/var' symlink
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Creating var directory '/home/mleich/Server_bin/10.5_asan_Og/mysql-test/var'...
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Checking supported features...
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MariaDB Version 10.5.7-MariaDB-debug
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- SSL connections supported
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- binaries are debug compiled
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- binaries built with wsrep patch
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Collecting tests...
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Installing system database...
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and than happens nothing extra == The process does not finish.
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origin/10.5 440d4b282dd4992d64abdd6289859598db7e5f75 2020-11-02
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origin/10.2 97f3207cf3d1a119fe3d6a56b204e5bf30cec109 2020-11-03 (10.2.35)
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origin/10.3 2391582ec3f87378581fc5a55266b3d7c6c823d6 2020-11-03 (10.3.26)
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origin/10.4 5739c7702d83e83ecff5cdd84e0fab899101f9f5 2020-11-03 (10.4.17)
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have no problem with --innodb_flush_sync=0 or innodb_random_read_ahead=ON
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IMHO the server process should either
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a) not freeze if meeting these two settings during bootstrap (my preference)
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... ignore them or fix whatever ...
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or
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b) print an error message telling that these settings are not supported during
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bootstrap and abort.
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In case b) is picked and both options are important than some adjustment of MTR
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could be made.
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Bug
Major