build@2b2bb0db98a7:~/build/mysql-test$ export MTR_MAX_PARALLEL=900

build@2b2bb0db98a7:~/build/mysql-test$ export MTR_PARALLEL=auto

build@2b2bb0db98a7:~/5.5-build/mysql-test$ ./mtr

Logging: /build/5.5/mysql-test/mysql-test-run.pl

vardir: /build/5.5-build/mysql-test/var

Removing old var directory...

Creating var directory '/build/5.5-build/mysql-test/var'...

Checking supported features...

Using suites: main-,archive-,binlog-,csv-,federated-,funcs_1-,funcs_2-,handler-,heap-,innodb-,innodb_zip-,maria-,optimizer_unfixed_bugs-,oqgraph-,parts-,percona-,perfs

chema-,plugins-,rpl-,sphinx-,sys_vars-,unit-,vcol-

MariaDB Version 5.5.47-MariaDB

Installing system database...

 - SSL connections supported

Collecting tests...

Using parallel: 161

worker[30] Using MTR_BUILD_THREAD 304, with reserved ports 16080..16099

worker[35] Using MTR_BUILD_THREAD 305, with reserved ports 16100..16119

worker[5] Using MTR_BUILD_THREAD 307, with reserved ports 16140..16159

worker[4] Using MTR_BUILD_THREAD 306, with reserved ports 16120..16139

worker[1] Using MTR_BUILD_THREAD 308, with reserved ports 16160..16179

worker[7] Using MTR_BUILD_THREAD 310, with reserved ports 16200..16219

worker[2] Using MTR_BUILD_THREAD 309, with reserved ports 16180..16199

worker[3] Using MTR_BUILD_THREAD 311, with reserved ports 16220..16239

worker[8] Using MTR_BUILD_THREAD 312, with reserved ports 16240..16259

worker[44] Using MTR_BUILD_THREAD 316, with reserved ports 16320..16339

worker[18] Using MTR_BUILD_THREAD 313, with reserved ports 16260..16279

worker[9] Using MTR_BUILD_THREAD 314, with reserved ports 16280..16299

worker[15] Using MTR_BUILD_THREAD 315, with reserved ports 16300..16319

worker[16] Using MTR_BUILD_THREAD 320, with reserved ports 16400..16419

worker[13] Using MTR_BUILD_THREAD 318, with reserved ports 16360..16379

worker[12] Using MTR_BUILD_THREAD 317, with reserved ports 16340..16359

worker[48] Using MTR_BUILD_THREAD 325, with reserved ports 16500..16519

worker[20] Using MTR_BUILD_THREAD 319, with reserved ports 16380..16399

worker[46] Using MTR_BUILD_THREAD 327, with reserved ports 16540..16559

worker[47] Using MTR_BUILD_THREAD 328, with reserved ports 16560..16579

worker[14] Using MTR_BUILD_THREAD 321, with reserved ports 16420..16439

worker[10] Using MTR_BUILD_THREAD 322, with reserved ports 16440..16459

worker[6] Using MTR_BUILD_THREAD 323, with reserved ports 16460..16479

worker[11] Using MTR_BUILD_THREAD 326, with reserved ports 16520..16539

worker[21] Using MTR_BUILD_THREAD 324, with reserved ports 16480..16499

worker[50] Using MTR_BUILD_THREAD 331, with reserved ports 16620..16639

worker[41] Using MTR_BUILD_THREAD 330, with reserved ports 16600..16619

worker[23] Using MTR_BUILD_THREAD 329, with reserved ports 16580..16599

worker[49] Using MTR_BUILD_THREAD 332, with reserved ports 16640..16659

worker[24] Using MTR_BUILD_THREAD 333, with reserved ports 16660..16679

worker[25] Using MTR_BUILD_THREAD 334, with reserved ports 16680..16699

worker[43] Using MTR_BUILD_THREAD 336, with reserved ports 16720..16739

worker[29] Using MTR_BUILD_THREAD 337, with reserved ports 16740..16759

worker[57] Using MTR_BUILD_THREAD 339, with reserved ports 16780..16799

worker[17] Using MTR_BUILD_THREAD 335, with reserved ports 16700..16719

worker[45] Using MTR_BUILD_THREAD 340, with reserved ports 16800..16819

worker[63] Using MTR_BUILD_THREAD 341, with reserved ports 16820..16839

worker[61] Using MTR_BUILD_THREAD 342, with reserved ports 16840..16859

worker[26] Using MTR_BUILD_THREAD 338, with reserved ports 16760..16779

worker[64] Using MTR_BUILD_THREAD 345, with reserved ports 16900..16919

worker[28] Using MTR_BUILD_THREAD 343, with reserved ports 16860..16879

worker[31] Using MTR_BUILD_THREAD 344, with reserved ports 16880..16899

worker[19] Using MTR_BUILD_THREAD 346, with reserved ports 16920..16939

worker[36] Using MTR_BUILD_THREAD 349, with reserved ports 16980..16999

worker[22] Using MTR_BUILD_THREAD 347, with reserved ports 16940..16959

worker[62] mysql-test-run: *** ERROR: Could not get a unique build thread id

worker[60] mysql-test-run: *** ERROR: Could not get a unique build thread id

worker[39] mysql-test-run: *** ERROR: Could not get a unique build thread id

worker[33] Using MTR_BUILD_THREAD 348, with reserved ports 16960..16979

worker[74] mysql-test-run: *** ERROR: Could not get a unique build thread id

worker[52] mysql-test-run: *** ERROR: Could not get a unique build thread id

worker[75] mysql-test-run: *** ERROR: Could not get a unique build thread id

...