RE: WAL: postmaster won't start

Did you turn XLOG_DEBUG off?
With XLOG_DEBUG on there should be lines in log like

REDO @ 0/434100; LSN 0/434252: .........

before control would reach btree_redo...

Ok, anyway btree_xlog_delete is fixed. Thanks, Tatsuo!
And please try again -:)

Vadim

> It seems postmaster won't restart under WAL. What I have done so far
> was creating some tables and inserting fairly large amount of tuples
> (100000 tuples) using pgbench.
>
> Here is the test sequence:
>
> pg_ctl -w stop
> rm -fr /usr/local/pgsql/data
> initdb
> pg_ctl -w start
> createdb test
> ./pgbench -i test
> pg_ctl -w -m i stop
> pg_ctl -w start
>
> and postmaster does not return from automatic recovering job. Here are
> last 2 lines from log:
>
> Nov 1 12:38:46 srapc968-yotsuya postgres[14769]: [7] DEBUG:
> The DataBase system was not properly shut down ^IAutomatic
> recovery is in progress...
> Nov 1 12:38:46 srapc968-yotsuya postgres[14769]: [8] DEBUG:
> Redo starts at (0, 287536)
>
> It seems that the recovery process is waiting for acquiring a lock.
> Here is the backtrace from the process:
>
> (gdb) where
> #0 0x2ac4acae in __select () from /lib/libc.so.6
> #1 0x2ac9f0ac in ?? ()
> #2 0x80ea18c in LockBuffer (buffer=37, mode=2) at xlog_bufmgr.c:1995
> #3 0x8082feb in XLogReadBuffer (extend=0, reln=0x82e92c8, blkno=1)
> at xlogutils.c:215
> #4 0x80781e4 in btree_xlog_delete (redo=1, lsn={xlogid = 0,
> xrecoff = 23741124}, record=0x82980dc) at nbtree.c:1013
> #5 0x80790fe in btree_redo (lsn={xlogid = 0, xrecoff = 23741124},
> record=0x82980dc) at nbtree.c:1450
> #6 0x80825b2 in StartupXLOG () at xlog.c:1452
> #7 0x80850cd in BootstrapMain (argc=6, argv=0x7fffeffc) at
> bootstrap.c:349
> #8 0x80e047a in SSDataBase (startup=1 '\001') at postmaster.c:2187
> #9 0x80deb1a in PostmasterMain (argc=1, argv=0x7ffff694) at
> postmaster.c:667
> #10 0x80c3646 in main (argc=1, argv=0x7ffff694) at main.c:112
>
> Please let me know if you need more info.
> --
> Tatsuo Ishii
>