can you configure the startup to start it in debug mode (-dn) and dump the
output to a file? that could give us a clue about what's failing.
David Lang
On Tue, 7 Oct 2014, Liwei Peng wrote:
Date: Tue, 7 Oct 2014 10:42:55 -0700
From: Liwei Peng <[email protected]>
Reply-To: rsyslog-users <[email protected]>
To: rsyslog-users <[email protected]>
Subject: Re: [rsyslog] output plugin: new thread is not running properly in
service mode
Thanks David.
I found that rsyslogd is in the disabled profile directory. Also, even
after I totally stop and teardown the apparmor service, my new thread still
has trouble to start up.
/etc/apparmor.d/disable$ ls
usr.bin.firefox usr.sbin.rsyslogd
On Tue, Oct 7, 2014 at 8:43 AM, David Lang <[email protected]> wrote:
Ubuntu uses AppArmor instead of SELinux
/etc/apparmor.d/usr.sbin.rsyslogd controls the AA config for rsyslog.
I don't know exactly what your additional thread is trying to access, but
you probably just need to add the permissions here to grant it the access.
David Lang
On Tue, 7 Oct 2014, Liwei Peng wrote:
Thanks David and Rainer.
I am using Ubuntu 14.04 LTS 64-bit. However, when I ran 'getenforce' on my
computer, it showed "Disabled". SeLinux package was not installed on my
computer either.
On Tue, Oct 7, 2014 at 12:31 AM, Rainer Gerhards <
[email protected]>
wrote:
2014-10-07 5:04 GMT+02:00 David Lang <[email protected]>:
Are you using a system that has SELinux installed? on such systems the
permissions that rsyslog has when started as a service are different
than
when you run it manually as root.
Yeah, as David says, it's most probably SELinux or something along
these
lines. Rsyslog does not impose any limits on additional threads a plugin
uses internally. For example, omfile uses multiple helper threads when
async writes are configured. Also, there is no real difference from
rsyslog's PoV between running in a console session vs. as background
service. With systemd, the code path is actually the same, as systemd
uses
-n itself. So if it runs in a console session but not as service, the
reason most probably is somewhere in the system config.
HTH
Rainer
David Lang
On Mon, 6 Oct 2014, Liwei Peng wrote:
In my output plugin (see attached code), because I need to process and
send
the messages to some other daemon, I created a new pthread to
listen/read
response from that daemon. All the code works well when I ran by
starting
rsyslog in manual mode.
/usr/sbin/rsyslogd -f/etc/rsyslog.conf -u2 -n -irsyslog.pid
-M/usr/lib/rsyslog
However, when I ran my plugin with rsyslogd as service, it seems that
my
new thread is started but it is not running properly. I saw the thread
print out a startup msg but it didn't continue printing new msg as
expected.
What's wrong with my code? is there limitation on using new pthread?
Liwei
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THAT.
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