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Re: Solaris 2.6 NDBM problem
On Mon, Apr 24, 2000 at 03:48:45PM -0300, Michael Smith wrote:
> Hi,
>
> We recently installed ZMailer 2.99.52-patch1 on a Solaris 2.6 machine (gcc
> 2.8.1).
I have an ugly feeling that gcc 2.8.1 is the root of the trouble
here -- on SPARC. 2.7.* are ok, 2.8.* are not ok.
> Every time the router tries to check the modification time or ownership of
> an NDBM file (i.e. every lookup), it complains:
>
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/fqdnaliases")!
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/fqdnaliases")!
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/localnames")!
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/localnames")!
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/aliases")!
> [2864] owner_ndbm: cannot fstat("/var/csuite/var/mail/db/aliases")!
> [2864] modp_ndbm: cannot fstat("/var/csuite/var/mail/db/localnames")!
>
> The lookup (if any) still succeeds.
>
> I stuck some code in router/libdb/ndbm.c:modp_ndbm() to check on the
> values of dbm_dirfno() (used in the fstat() call) and dbm_pagfno():
>
> z# router michael
> <michael.interactive@phoenix.chebucto.ns.ca>: address: michael
> modp_ndbm: dirfno 1155264, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/aliases")!
> modp_ndbm: dirfno 1089392, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/fqdnaliases")!
> modp_ndbm: dirfno 1089392, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/fqdnaliases")!
> modp_ndbm: dirfno 993000, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/localnames")!
> modp_ndbm: dirfno 993000, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/localnames")!
> modp_ndbm: dirfno 2021632, pagfno 0
> modp_ndbm: cannot fstat("/var/csuite/var/mail/db/routes")!
> (((smtp csuite.ns.ca michael@csuite.ns.ca g3)))
>
> Those don't look like real file descriptors, especially since lsof
> reports:
>
> COMMAND PID USER FD TYPE DEVICE SIZE/OFF INODE NAME
> router 12314 root 4r VREG 32,139 30587 620204
> /var/csuite/var/mail/db/aliases.dir
>
> router 12314 root 6rR VREG 32,139 24832 620205
> /var/csuite/var/mail/db/fqdnaliases.pag
>
> router 12314 root 7rR VREG 32,139 24662 620203
> /var/csuite/var/mail/db/localnames.pag
>
> router 12314 root 8rR VREG 32,139 24576 620202
> /var/csuite/var/mail/db/routes.pag
>
> I realize this isn't a ZMailer problem, but has anyone seen this
> before? Should ZMailer on Solaris default to btree instead of ndbm?
Any system where BSD DB (1.* or 2.*) are found somehow
are defaulting to BTREE. Default selection order is:
- BTREE
- GDBM
- NDBM
- DBM (puke..)
> Thanks
--
/Matti Aarnio <mea@nic.funet.fi>