[Dovecot] dovecot-auth consumes 100% CPU time on Solaris 10

[Timo Sirainen]

On Wed, 2007-11-28 at 10:22 +0200, Timo Sirainen wrote:
> On Wed, 2007-11-28 at 09:10 +0100, Mark Heitmann wrote:
> > pollsys(0x08099448, 11, 0x08047B10, 0x00000000) = 1
> >         fd=5  ev=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL rev=0
> >         fd=7  ev=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL rev=0
> >         fd=1  ev=POLLIN|POLLPRI|POLLERR|POLLHUP|POLLNVAL rev=POLLIN|POLLPRI
> 
> Looks like this is the problem. fd=1 should /dev/null and it should
> never be passed to poll(). I'll try to look more into this later today.

See if this patch starts logging errors:

diff -r edd95f9c6ba4 src/auth/db-ldap.c
--- a/src/auth/db-ldap.c        Wed Nov 28 08:11:17 2007 +0200
+++ b/src/auth/db-ldap.c        Wed Nov 28 15:27:34 2007 +0200
@@ -513,6 +513,8 @@ static void db_ldap_get_fd(struct ldap_c
                i_fatal("LDAP: Can't get connection fd: %s",
                        ldap_err2string(ret));
        }
+       if (conn->fd <= 3)
+               i_error("LDAP returned wrong fd %d", conn->fd);
        i_assert(conn->fd != -1);
        net_set_nonblock(conn->fd, TRUE);
 }

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