Re: Exim4 problems

[Svante Signell]

On Tue, 2011-05-17 at 01:03 +0200, Thomas Schwinge wrote:

> > uschar *slash;
> > struct stat statbuf;
> 
>     if (filename == NULL)
>       goto out;
> 
...
>     out:
> > *error = string_sprintf("%s does not exist", filename);
> > DEBUG(D_route) debug_printf("%s\n", *error);
> > return FILE_NOT_EXIST;
> > }

Sorry Thomas, wrong track. The main problem with this program is that it
is not debuggable. Even with successful builds with gcc-4.4 -O2 or
gcc-4.6 -O0 the faulty memory addresses pops up: (gcc-4.4 -O2) No
breakpoints seems to work!

(gdb) run --version
Starting program: exim4-4.76/build-tree/build-exim4-daemon-light/exim
--version
Cannot access memory at address 0xfffea2ed (6 times)
[New Thread 1111.5]
Cannot access memory at address 0xfffea2ed (4 times)
Exim version 4.76 #1 built 17-May-2011 09:44:57
Copyright (c) University of Cambridge, 1995 - 2007
Berkeley DB: Berkeley DB 5.1.25: (January 28, 2011)
Support for: crypteq iconv() IPv6 GnuTLS move_frozen_messages DKIM
Lookups (built-in): lsearch wildlsearch nwildlsearch iplsearch cdb dbm
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
Size of off_t: 8
Cannot access memory at address 0xfffea2ed (3 times)
Configuration file is /var/lib/exim4/config.autogenerated

Program exited normally.