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Dbus daemon Issues


Colin,


Thank you for the reply. I did have a system-local.conf file in that directory, but I was only setting the following:


<limit name="max_connections_per_user">256</limit>


I have since added the max_replies line as well and have rebooted the server. I'll see on Monday if this helps as we don't have any students here for me to test it. Thanks again for your help. It is much appreciated.


Regards,

Jeff

Jeff Donaldson
Technology Director
Newark Charter School
jeff.donaldson at ncs.k12.de.us
(302) 369-2001 ext: 625


________________________________
From: ubuntu-users <ubuntu-users-bounces at lists.ubuntu.com> on behalf of Colin Watson <cjwatson at ubuntu.com>
Sent: Thursday, January 25, 2018 7:42 PM
To: ubuntu-users at lists.ubuntu.com
Subject: Re: Dbus daemon Issues

On Thu, Jan 25, 2018 at 06:06:18PM +0000, Donaldson Jeff wrote:
> Thank you for the reply. I should probably elaborate on our setup a
> little bit. It was a clean install of Ubuntu 16.04 on a server with
> dual NICs. I then installed the ltsp-server-standalone and
> gnome-session-flashback and configured the environment for users and
> thin\fat clients. Thin\Fat clients and user sessions all load without
> any issues, it's after about 15 users log in that I see the
> dbus-daemon spike and when I run dbus-monitor --system, I see the
> following errors...
>
> error time=1516902042.457461 sender=org.freedesktop.DBus -> destination=:1.2076 error_name=org.freedesktop.DBus.Error.LimitsExceeded reply_serial=52599  string "The maximum number of pending replies per connection has been reached"

OK, I think you're running into a different limit.  You should be able
to override this by writing something like this to
/etc/dbus-1/system-local.conf:

  <!DOCTYPE busconfig PUBLIC
   "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
   "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd";>
  <busconfig>
    <limit name="max_replies_per_connection">4096</limit>
  </busconfig>

Beware of https://bugs.freedesktop.org/show_bug.cgi?id=81053 when doing
this, though; and you might need to get somebody who's more of a D-Bus
expert than I am to look into whether there's some deeper reason you're
hitting a limit on pending replies.

--
Colin Watson                                       [cjwatson at ubuntu.com]

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