On Sat, Apr 20, 2019 at 2:00 PM Peter Geoghegan <pg(at)bowt(dot)ie> wrote:
> Obviously you'll need to figure out which block number the problem
> page is located in before you do this, but that shouldn't be hard --
> get a coredump and inspect the state from amcheck a few frames down.
Alternatively, you could dump the page image from within gdb. Go to
the frame for _bt_check_natts() (e.g., enter "f 1"), and then dump the
contents of the page to file:
(gdb) dump binary memory /tmp/dump_block.page page (page + 8192)
--
Peter Geoghegan