On Sun, Apr 27, 2025 at 05:00:01PM +0300, Alexander Lakhin wrote: > Both happened on Windows, but what's worse is that the failure logs > contain no information on the exact reason. We can see: > # Failed test 'pg_upgrade with transfer mode --swap: stdout matches' > # at C:/tools/xmsys64/home/pgrunner/bf/root/HEAD/pgsql/src/bin/pg_upgrade/t/006_transfer_modes.pl line 61. > ... > # Restoring database schemas in the new cluster > # *failure* I see a couple of other pg_upgrade failures on drongo and fairywren that look similar, although these are for different tests: https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=drongo&dt=2025-03-10%2019%3A26%3A35 https://buildfarm.postgresql.org/cgi-bin/show_log.pl?nm=fairywren&dt=2025-03-30%2013%3A03%3A05 > Moreover, even when pg_upgrade succeeds, IPC::Run::run inside > command_ok_or_fails_like() returns false, as we can see from a > successful test run: > https://buildfarm.postgresql.org/cgi-bin/show_stage_log.pl?nm=fairywren&dt=2025-04-27%2001%3A03%3A06&stg=misc-check > > pgsql.build/testrun/pg_upgrade/006_transfer_modes/log/regress_log_006_transfer_modes > [01:18:38.210](21.036s) ok 1 - pg_upgrade with transfer mode --clone: stdout matches > [01:18:38.211](0.001s) ok 2 - pg_upgrade with transfer mode --clone: stderr matches That's expected for platforms that don't support all of the modes. We verify the output matches a known error message in that case. > So maybe it's worth to adjust the test somehow to have interesting logs > left after a failure? I see some other discussion about failures with similar symptoms [0] [1]. Commit 6f97ef0 seems to have helped with one of the tests, and there is a proposed patch in the latest thread [2] that AFAICT aims to fix the underlying issue. [0] https://postgr.es/m/TYAPR01MB5866AB7FD922CE30A2565B8BF5A8A%40TYAPR01MB5866.jpnprd01.prod.outlook.com [1] https://postgr.es/m/CALDaNm3tjY44HoSwY84%3DXGEbTg0ruVfD4hAMTm%3DTgBqVysH4Qw%40mail.gmail.com [2] https://postgr.es/m/CALDaNm2y%2Bnf-V9tjKwvbPprobZs1t_UrcCpJ0qYD5-KkOUFAyg%40mail.gmail.com -- nathan
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