[syslog-ng] /dev/log causing system to hang?

Bill Horn hornwp at gmail.com
Wed Jun 13 03:20:16 CEST 2007

We deploy syslog-ng-1.6.2-1,  the (non-destination) configuration is:

options { sync (0);
        time_reopen (10);
        log_fifo_size (1000);
        long_hostnames (off);
        use_dns (no);
        use_fqdn (no);
        create_dirs (no);
        keep_hostname (yes);

source s_sys {
  pipe ("/proc/kmsg" log_prefix("kernel: "));
  unix-stream ("/dev/log");

One of our support people reported:

1. "EPROTOTYPE (Protocol wrong type for socket) ... pointing to /dev/log ...
/dev/log is a socket
2. List all the socket on the sever .... via netstat ... found lot of socket
still waiting to get connected .. indicating .. it couldnot establish new
connection ... hence it ruled out the authentication issue
3.  Tried to find out what was blocking the socket /dev/log .... found that
syslog-ng was the culprit ... i had bounced syslog-ng and we were good

cat /proc/version gives:
Linux version 2.4.21-47.0.1.ELsmp (brewbuilder at hs20-bc2-2.build.redhat.com)
(gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-56)) #1 SMP Fri Oct 13
17:56:20 EDT 2006

That's all I've got so far.

Any suggestions on next step?

Thanks ... Bill
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