"Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> writes:
> [2006-04-06 02:19:57.460 ] 3848 <postgres bigbird 127.0.0.1(3944)> PANIC: right sibling is not next child in "Panel_pkey"
This should be repeatable by re-attempting a VACUUM, right? Please find
out which page exactly it's unhappy about (either gdb the crash or add a
printout of the "parent" variable to the elog call in nbtpage.c), then
pg_filedump the index and look to see what the index contains.
regards, tom lane