Re: wrong fds used for refilenodes after pg_upgrade relfilenode changes Reply-To:

On Wed, May 4, 2022 at 7:44 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> It passes sometimes and fails sometimes.  Here's the weird failure I
> need to debug:
>
>
https://api.cirrus-ci.com/v1/artifact/task/6033765456674816/log/src/test/recovery/tmp_check/log/regress_log_032_relfilenode_reuse
>
> Right at the end, it says:
>
> Warning: unable to close filehandle GEN26 properly: Bad file
> descriptor during global destruction.
> Warning: unable to close filehandle GEN21 properly: Bad file
> descriptor during global destruction.
> Warning: unable to close filehandle GEN6 properly: Bad file descriptor
> during global destruction.
>
> I don't know what it means (Windows' fd->handle mapping table got
> corrupted?) or even which program is printing it (you'd think maybe
> perl?  but how could that be affected by anything I did in
> postgres.exe, but if it's not perl why is it always at the end like
> that?).  Hrmph.

Got some off-list clues: that's just distracting Perl cleanup noise
after something else went wrong (thanks Robert), and now I'm testing a
theory from Andres that we're missing a barrier on the redo side when
replaying XLOG_DBASE_CREATE_FILE_COPY.  More soon.