Larry Rosenman <ler(at)lerctr(dot)org> writes:
>> Is it repeatable? It's hard to see how _bt_getroot() could core
>> except maybe in the presence of serious data corruption in the index ...
> it happened once, and postgres did a restart. The cronjob that triggered
> it (WebCalendar's sendreminders script), has run since. So, I don't know.
Hmm. It might be worth running memtest86 to look for flaky RAM.
I doubt it's worth the effort to try to extract any info from a core
file with no symbols :-(
regards, tom lane