Bug#860317: upgrade to latest stretch version breaks

[Brent S. Elmer Ph.D.]

On Wed, 2017-04-19 at 18:45 +0200, Andreas Metzler wrote:
> On 2017-04-17 "Brent S. Elmer Ph.D." <webe3vt at aim.com> wrote:
> [...]
> > paniclog and mainlog contains this:
> > 2017-04-17 14:30:26 IPv6 socket creation failed: Address family not
> > supported by protocol
> 
> This looks like 610918, i.e. having changed Debian's default default
> setup to disable IPv6 without adapting exim4 configuration
> accordingly.
> 
> Are you able to manually start a daemon instance?
> update-exim4.conf && exim4 -bd -d
> 
> cu Andreas

No, here is the output.

# update-exim4.conf && exim4 -bd -d
Exim version 4.89 uid=0 gid=0 pid=3468 D=fbb95cfd
Berkeley DB: Berkeley DB 5.3.28: (September  9, 2013)
Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages DKIM
DNSSEC Event OCSP PRDR SOCKS TCP_Fast_Open
Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch cdb dbm
dbmjz dbmnz dnsdb dsearch nis nis0 passwd
Authenticators: cram_md5 plaintext
Routers: accept dnslookup ipliteral manualroute queryprogram redirect
Transports: appendfile/maildir/mailstore autoreply lmtp pipe smtp
Fixed never_users: 0
Configure owner: 0:0
Size of off_t: 8
Compiler: GCC [6.3.0 20170221]
Library version: Glibc: Compile: 2.24
                        Runtime: 2.24
Library version: GnuTLS: Compile: 3.5.8
                         Runtime: 3.5.8
Library version: PCRE: Compile: 8.39
                       Runtime: 8.39 2016-06-14
Total 13 lookups
WHITELIST_D_MACROS: "OUTGOING"
TRUSTED_CONFIG_LIST: "/etc/exim4/trusted_configs"
changed uid/gid: forcing real = effective
  uid=0 gid=0 pid=3468
  auxiliary group list: <none>
seeking password data for user "uucp": cache not available
getpwnam() succeeded uid=10 gid=10
configuration file is /var/lib/exim4/config.autogenerated
log selectors = 0000cffc 0e320202
cwd=/home/brente 3 args: exim4 -bd -d
trusted user
admin user
seeking password data for user "mail": cache not available
getpwnam() succeeded uid=8 gid=8
DSN: hubbed_hosts propagating DSN
DSN: nonlocal propagating DSN
DSN: real_local propagating DSN
DSN: system_aliases propagating DSN
DSN: userforward propagating DSN
DSN: procmail propagating DSN
DSN: maildrop propagating DSN
DSN: lowuid_aliases propagating DSN
DSN: local_user propagating DSN
DSN: mail4root propagating DSN
user name "root" extracted from gecos field "root"
originator: uid=0 gid=0 login=root name=root
 3468 listening on 127.0.0.1 port 25
 3468 LOG: MAIN
 3468   IPv6 socket creation failed: Address family not supported by
protocol
 3468 LOG: PANIC DIE
 3468   IPv6 socket creation failed: Address family not supported by
protocol
 3468 search_tidyup called
 3468 >>>>>>>>>>>>>>>> Exim pid=3468 terminating with rc=1
>>>>>>>>>>>>>>>>