With FEATURES="test -usersandbox" I get these errors:
[13:56:10] mysys/waiting_threads-t ..................................... ok 4 ms
[13:56:10] mysys/base64-t .............................................. ok 154 ms
[13:56:10] mysys/lf-t .................................................. ok 155 ms
[13:56:10] mysys/my_atomic-t ........................................... ok 62 ms
[13:56:10] mysys/bitmap-t .............................................. ok 289 ms
[13:56:10] strings/strings-t ........................................... ok 1 ms
[13:56:10] ../storage/maria/unittest/ma_pagecache_consist_64kHC-t ...... ok 8 ms
[13:56:10] ../storage/maria/unittest/ma_pagecache_consist_64k-t ........ ok 3 ms
[13:56:10] ../storage/maria/unittest/ma_test_loghandler_nologs-t ....... ok 299 ms
[13:56:11] ../storage/maria/unittest/ma_test_loghandler_noflush-t ...... ok 19 ms
[13:56:11] ../storage/maria/unittest/ma_pagecache_consist_1k-t ......... ok 8 ms
[13:56:11] ../storage/maria/unittest/ma_test_loghandler_long-t ......... ok 3861 ms
[13:56:15] ../storage/maria/unittest/ma_pagecache_consist_1kHC-t ....... ok 7 ms
[13:56:15] ../storage/maria/unittest/ma_test_loghandler_readonly-t ..... ok 55 ms
[13:56:15] ../storage/maria/unittest/ma_test_loghandler_purge-t ........ ok 256 ms
[13:56:15] ../storage/maria/unittest/ma_test_loghandler_max_lsn-t ...... ok 269 ms
[13:56:15] ../storage/maria/unittest/ma_test_loghandler_first_lsn-t .... ok 21 ms
[13:56:15] ../storage/maria/unittest/ma_pagecache_consist_64kRD-t ...... ok 33304 ms
[13:56:49] ../storage/maria/unittest/ma_pagecache_consist_1kRD-t ....... ok 443 ms
[13:56:49] ../storage/maria/unittest/ma_pagecache_single_1k-t .......... ok 333 ms
[13:56:49] ../storage/maria/unittest/ma_test_loghandler_multiflush-t ... ok 5572 ms
[13:56:55] ../storage/maria/unittest/ma_test_loghandler_pagecache-t .... ok 22 ms
[13:56:55] ../storage/maria/unittest/ma_test_loghandler_multithread-t .. ok 29585 ms
[13:57:25] ../storage/maria/unittest/ma_test_loghandler_multigroup-t ... ok 27926 ms
[13:57:53] ../storage/maria/unittest/ma_test_loghandler-t .............. ok 4067 ms
[13:57:57] ../storage/maria/unittest/ma_pagecache_rwconsist2_1k-t ...... ok 6 ms
[13:57:57] ../storage/maria/unittest/ma_pagecache_rwconsist_1k-t ....... ok 6 ms
[13:57:57] ../storage/maria/unittest/ma_pagecache_consist_64kWR-t ...... ok 43644 ms
[13:58:40] ../storage/maria/unittest/ma_pagecache_consist_1kWR-t ....... ok 1317 ms
[13:58:42] ../storage/maria/unittest/ma_pagecache_single_8k-t .......... ok 1846 ms
[13:58:44] ../storage/maria/unittest/ma_pagecache_single_64k-t ......... ok 8 ms
[13:58:44] ../storage/maria/unittest/ma_control_file-t ................. ok 1 ms
[13:58:44] ../storage/maria/unittest/trnman-t .......................... ok 687 ms
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 77/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e4096 -K ' (loop iteration 8.) at line 316
(errcode: 256, test: 83)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 85/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e8192 -K ' (loop iteration 9.) at line 316
(errcode: 256, test: 85)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L ' (loop iteration 10.) at line 316
(errcode: 256, test: 87)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 238/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e4096 -K -S' (loop iteration 8.) at line 316
(errcode: 256, test: 242)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e8192 -K -S' (loop iteration 9.) at line 316
(errcode: 256, test: 244)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 246/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -S' (loop iteration 10.) at line 316
(errcode: 256, test: 246)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 399/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e4096 -K -M' (loop iteration 8.) at line 316
(errcode: 256, test: 401)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e8192 -K -M' (loop iteration 9.) at line 316
(errcode: 256, test: 403)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M' (loop iteration 10.) at line 316
(errcode: 256, test: 405)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 556/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e4096 -K -M -T' (loop iteration 8.) at line 316
(errcode: 256, test: 560)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e8192 -K -M -T' (loop iteration 9.) at line 316
(errcode: 256, test: 562)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 564/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M -T' (loop iteration 10.) at line 316
(errcode: 256, test: 564)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... 719/830
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e4096 -K -M -T -C' (loop iteration 8.) at line 316
(errcode: 256, test: 719)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e8192 -K -M -T -C' (loop iteration 9.) at line 316
(errcode: 256, test: 721)
Failed test '../storage/maria/unittest/../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M -T -C' (loop iteration 10.) at line 316
(errcode: 256, test: 723)
[13:58:44] ../storage/maria/unittest/ma_test_all-t ..................... Dubious, test returned 1 (wstat 256, 0x100)
Failed 15/830 subtests
[14:00:37] ../dbug/tests-t ............................................. skipped: because dbug is disabled
[14:00:37]
With FEATURES="test -usersandbox" I get these errors: threads- t ....... ....... ....... ....... ....... .. ok 4 ms ....... ....... ....... ....... ....... .... ok 154 ms ....... ....... ....... ....... ....... ....... . ok 155 ms ....... ....... ....... ....... ....... . ok 62 ms ....... ....... ....... ....... ....... .... ok 289 ms ....... ....... ....... ....... ....... . ok 1 ms maria/unittest/ ma_pagecache_ consist_ 64kHC-t ...... ok 8 ms maria/unittest/ ma_pagecache_ consist_ 64k-t ........ ok 3 ms maria/unittest/ ma_test_ loghandler_ nologs- t ....... ok 299 ms maria/unittest/ ma_test_ loghandler_ noflush- t ...... ok 19 ms maria/unittest/ ma_pagecache_ consist_ 1k-t ......... ok 8 ms maria/unittest/ ma_test_ loghandler_ long-t ......... ok 3861 ms maria/unittest/ ma_pagecache_ consist_ 1kHC-t ....... ok 7 ms maria/unittest/ ma_test_ loghandler_ readonly- t ..... ok 55 ms maria/unittest/ ma_test_ loghandler_ purge-t ........ ok 256 ms maria/unittest/ ma_test_ loghandler_ max_lsn- t ...... ok 269 ms maria/unittest/ ma_test_ loghandler_ first_lsn- t .... ok 21 ms maria/unittest/ ma_pagecache_ consist_ 64kRD-t ...... ok 33304 ms maria/unittest/ ma_pagecache_ consist_ 1kRD-t ....... ok 443 ms maria/unittest/ ma_pagecache_ single_ 1k-t .......... ok 333 ms maria/unittest/ ma_test_ loghandler_ multiflush- t ... ok 5572 ms maria/unittest/ ma_test_ loghandler_ pagecache- t .... ok 22 ms maria/unittest/ ma_test_ loghandler_ multithread- t .. ok 29585 ms maria/unittest/ ma_test_ loghandler_ multigroup- t ... ok 27926 ms maria/unittest/ ma_test_ loghandler- t .............. ok 4067 ms maria/unittest/ ma_pagecache_ rwconsist2_ 1k-t ...... ok 6 ms maria/unittest/ ma_pagecache_ rwconsist_ 1k-t ....... ok 6 ms maria/unittest/ ma_pagecache_ consist_ 64kWR-t ...... ok 43644 ms maria/unittest/ ma_pagecache_ consist_ 1kWR-t ....... ok 1317 ms maria/unittest/ ma_pagecache_ single_ 8k-t .......... ok 1846 ms maria/unittest/ ma_pagecache_ single_ 64k-t ......... ok 8 ms maria/unittest/ ma_control_ file-t ................. ok 1 ms maria/unittest/ trnman- t ....... ....... ....... ..... ok 687 ms maria/unittest/ ma_test_ all-t ....... ....... ....... 77/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e4096 -K ' (loop iteration 8.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 85/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e8192 -K ' (loop iteration 9.) at line 316
[13:56:10] mysys/waiting_
[13:56:10] mysys/base64-t .......
[13:56:10] mysys/lf-t .......
[13:56:10] mysys/my_atomic-t .......
[13:56:10] mysys/bitmap-t .......
[13:56:10] strings/strings-t .......
[13:56:10] ../storage/
[13:56:10] ../storage/
[13:56:10] ../storage/
[13:56:11] ../storage/
[13:56:11] ../storage/
[13:56:11] ../storage/
[13:56:15] ../storage/
[13:56:15] ../storage/
[13:56:15] ../storage/
[13:56:15] ../storage/
[13:56:15] ../storage/
[13:56:15] ../storage/
[13:56:49] ../storage/
[13:56:49] ../storage/
[13:56:49] ../storage/
[13:56:55] ../storage/
[13:56:55] ../storage/
[13:57:25] ../storage/
[13:57:53] ../storage/
[13:57:57] ../storage/
[13:57:57] ../storage/
[13:57:57] ../storage/
[13:58:40] ../storage/
[13:58:42] ../storage/
[13:58:44] ../storage/
[13:58:44] ../storage/
[13:58:44] ../storage/
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 83)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 85)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L ' (loop iteration 10.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 238/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e4096 -K -S' (loop iteration 8.) at line 316
(errcode: 256, test: 87)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 242)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e8192 -K -S' (loop iteration 9.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 246/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -S' (loop iteration 10.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 399/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e4096 -K -M' (loop iteration 8.) at line 316
(errcode: 256, test: 244)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 246)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 401)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e8192 -K -M' (loop iteration 9.) at line 316
(errcode: 256, test: 403)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M' (loop iteration 10.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 556/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e4096 -K -M -T' (loop iteration 8.) at line 316
(errcode: 256, test: 405)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 560)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e8192 -K -M -T' (loop iteration 9.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 564/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M -T' (loop iteration 10.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... 719/830 maria/unittest/ ../ma_test2 -s -htmp -m10000 -e4096 -K -M -T -C' (loop iteration 8.) at line 316
(errcode: 256, test: 562)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 564)
[13:58:44] ../storage/
Failed test '../storage/
(errcode: 256, test: 719)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e8192 -K -M -T -C' (loop iteration 9.) at line 316
(errcode: 256, test: 721)
Failed test '../storage/ maria/unittest/ ../ma_test2 -s -htmp -m10000 -e16384 -E16384 -K -L -M -T -C' (loop iteration 10.) at line 316 maria/unittest/ ma_test_ all-t ....... ....... ....... Dubious, test returned 1 (wstat 256, 0x100) ....... ....... ....... ....... ....... ... skipped: because dbug is disabled
(errcode: 256, test: 723)
[13:58:44] ../storage/
Failed 15/830 subtests
[14:00:37] ../dbug/tests-t .......
[14:00:37]
Test Summary Report maria/unittest/ ma_test_ all-t (Wstat: 256 Tests: 830 Failed: 15)
560, 562, 564, 719, 721, 723
-------------------
../storage/
Failed tests: 83, 85, 87, 242, 244, 246, 401, 403, 405
Non-zero exit status: 1
Files=35, Tests=145284, 267 wallclock secs ( 8.93 usr 0.30 sys + 138.85 cusr 56.43 csys = 204.51 CPU)
Result: FAIL
Failed 1/35 test programs. 15/145284 subtests failed.
Could it be because I have /var/tmp/portage on a tmpfs?