[CentOS] Fried Email Server! Perl Problem

Jack Fredrikson

jackfredrikson at yahoo.com
Tue Oct 18 20:16:54 UTC 2011


I hate it when I crash my email server. Here's what tailing /var/log/qmail/qmail-smtp/current gives me:

[root at toast jack]# tail /var/log/qmail/qmail-smtpd/current 
@400000004e9ddbd031610f54 tcpserver: status: 0/20
@400000004e9ddbd72c767c04 tcpserver: status: 1/20
@400000004e9ddbd72c7ab60c tcpserver: pid 12039 from 210.76.164.235
@400000004e9ddbd739a20d1c tcpserver: ok 12039 mail.toast.com:209.216.9.56:25 mail.cdfy-china.com:210.76.164.235::2804
@400000004e9ddbd81c826894 Can't load '/usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/auto/DB_File/DB_File.so' for module DB_File: libdb-4.3.so: failed to map segment from shared object: Cannot allocate memory at /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/XSLoader.pm line 70.
@400000004e9ddbd81c827c1c  at /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DB_File.pm line 251
@400000004e9ddbd81c828004 Compilation failed in require at /var/qmail/bin/qmail-scanner-queue.pl line 480.
@400000004e9ddbd81c8287d4 BEGIN failed--compilation aborted at /var/qmail/bin/qmail-scanner-queue.pl line 480.
@400000004e9ddbda0c5bb434 tcpserver: end 12039 status 0
@400000004e9ddbda0c5bbfec tcpserver: status: 0/20


So I checked the permissions:


[root at toast jack]# vi /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DB_File.pm
[root at toast jack]# ls -al /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DB_File.pm
-rw-r--r-- 1 root root 63389 Jun 13 02:58 /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DB_File.pm
[root at toast jack]# ls -al /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/auto/DB_File/DB_File.so
-rwxr-xr-x 1 root root 54216 Jun 13 02:58 /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/auto/DB_File/DB_File.so
[root at toast jack]# ls -al /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/XSLoader.pm
-rw-r--r-- 1 root root 10461 Jun 13 02:58 /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/XSLoader.pm


and did a netstat:

netstat -na | grep :25
tcp        0      0 0.0.0.0:25                  0.0.0.0:*                   LISTEN      
tcp        0      0 209.216.9.56:25             65.98.228.108:6326          SYN_RECV    
tcp        0      0 209.216.9.56:25             205.156.137.71:8785         TIME_WAIT   

and ps

[root at toast jack]# ps wax|grep qmail
11571 ?        S      0:00 qmail-send
11573 ?        S      0:00 multilog t s100000 n20 /var/log/qmail/qmail-send
11575 ?        S      0:00 /usr/local/bin/tcpserver -v -x /etc/tcp.smtp.cdb -c 20 -R -u 502 -g 501 0 smtp /var/qmail/bin/qmail-smtpd mail.13gems.com /home/vpopmail/bin/vchkpw /usr/bin/true
11579 ?        S      0:00 multilog t s100000 n20 /var/log/qmail/qmail-smtpd
11580 ?        S      0:00 qmail-lspawn ./Maildir
11581 ?        S      0:00 qmail-rspawn
11582 ?        S      0:00 qmail-clean
11584 ?        S      0:00 tcpserver -H -R -v -c100 0 110 qmail-popup mail.13gems.com /home/vpopmail/bin/vchkpw qmail-pop3d Maildir
11586 ?        S      0:00 multilog t s100000 n20 /var/log/qmail/qmail-pop3d
13315 pts/0    R+     0:00 grep qmail
15615 ?        S      0:00 supervise qmail-send
15617 ?        S      0:00 supervise qmail-pop3d
15619 ?        S      0:00 supervise qmail-smtpd


I'm at a loss as to what to do next. Any ideas?
TIA,

Jack



More information about the CentOS mailing list