On Thu, 14 Aug 2025 at 10:41, Kirill Reshke <reshkekir...@gmail.com> wrote: > o I am trying to reproduce is following: > > 1) Some process p1 locks some buffer (name it buf1), enters CRIT > section, calls MarkBufferDirty and hangs inside XLogInsert on CondVar > in (GetXLogBuffer -> AdvanceXLInsertBuffer). > 2) CHECKPOINT (p2) stars and tries to FLUSH dirty buffers, awaiting lock on > buf1 > 3) Postmaster kill-9-ed > 4) signal of postmaster death delivered to p1, it wakes up in > WaitLatch/WaitEventSetWaitBlock functions, checks postmaster > aliveness, and exits releasing all locks. > 5) p2 acquires locks on buf1 and flushes it to disk. > 6) signal of postmaster death delivered to p2, p2 exits.
Andrey told me to create CF entry and attach fix, so doing it [0] https://commitfest.postgresql.org/patch/5964/ -- Best regards, Kirill Reshke
v1-0001-Do-not-exit-on-postmaster-death-ever-inside-CRIT-.patch
Description: Binary data
