Ryan Kirkpatrick <pgsql(at)rkirkpat(dot)net> writes:
> #2 0x20dc71 in abort () from /lib/libc.so.6
> #3 0x8080495 in XLogFileOpen ()
Hm. Evidently it's failing to open the xlog file, but the code is set
up in such a way that it dies before telling you why :-( Take a look
at XLogFileOpen in src/backend/access/transam/xlog.c and tweak the code
to tell you the path and errno it's failing on before it abort()s.
regards, tom lane