On Wed, Oct 28, 2026 at 08:56:25AM +0000, David Steele wrote: > I've CC'd billbug's owner. The HEAD run with the 2026-10-28 04:00 UTC > snapshot crashed a client backend (PID 1498) running BASE_BACKUP with > SIGSEGV during src/bin/pg_basebackup/t/010_pg_basebackup.pl, but no > backtrace made it into the logs. Could you check whether a core file was > written and get a backtrace from it? If no core was written then the > coreadm settings may be redirecting or suppressing it. Any additional info > you can provide would be greatly appreciated.
We have what looks like a second report on HEAD and v19, different pattern: https://buildfarm.postgresql.org/cgi-bin/show_stage_log.pl?nm=thorntail&dt=2026-10-28%2006%3A31%3A23&stg=recovery-check From 001's primary logs: 2026-10-28 10:44:13.113 MSK [1706208:4] LOG: client backend (PID 1706227) was terminated by signal 10: Bus error 2026-10-28 10:44:13.113 MSK [1706208:5] DETAIL: Failed process was running: BASE_BACKUP (CHECKPOINT 'fast', MAX_RATE 32); If something else is going on, I'm not quite sure what it is yet. -- Michael
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