Hi, <div class="gmail_quote">On Fri, Jul 24, 2009 at 7:36 AM, Alex Bunnett <<a href="mailto:alexb@fusionelectronics.com">alexb@fusionelectronics.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div link="blue" vlink="purple" lang="EN-GB"> <div> Got the dbus messages up and running but I keep getting a assertion error from time to time. Im unsure how the message can become locked as im not setting it locked before sending.</div></div></blockquote><div>-- The message is a bit strange, I have not came across it, are you using dbus in multi threaded environment? and what is you pass serial as NULL if you are not interested in serial number? </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"><div link="blue" vlink="purple" lang="EN-GB"><div> This is the code DBusMessage* message = NULL; dbus_uint32_t serial ; // TODO What is this? -- Message serial number, could be NULL is you are not interested in. The same serial number you can check in dbus-monitor. message = dbus_message_new_signal(SERVER_SEND_OBJECT , // object name of the signal SEND_INTERFACE_SERVER , // interface name of the signal "MessageServer"); DBusMessageIter iter, sub; dbus_message_iter_init_append(message, &iter); char buf[2]; buf[0] = DBUS_TYPE_BYTE; buf[1] = '\0'; dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, buf, &sub); -- Why not just dbus_message_iter_open_container (&iter, DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE_AS_STRING, &sub); ? if(!dbus_message_iter_append_fixed_array(&sub, DBUS_TYPE_BYTE, &pBuff, len)) { __ALEX("couldnt append message"); dbus_message_unref(message); return 0; } dbus_message_iter_close_container(&iter, &sub); if(!dbus_connection_send(_connection, message, &serial))</div></div></blockquote><div>-- Could you try with serial as NULL (_connection, message, NULL) </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div link="blue" vlink="purple" lang="EN-GB"><div> { __ALEX("Couldn't Send message"); dbus_message_unref(message); return 0; } dbus_connection_flush(_connection); // force message to be sent now dbus_message_unref(message); return len; process 790: arguments to dbus_message_set_serial() were incorrect, assertion "!message->locked" failed in file dbus-message.c line 178. This is normally a bug in some application using the D-Bus library. D-Bus not compiled with backtrace support so unable to print a backtrace Thanks </div></div></blockquote><div>-Br Naveen </div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div link="blue" vlink="purple" lang="EN-GB"><div> <table style="width: 951.9pt;" summary="" border="0" cellpadding="0" width="1269"> <tbody><tr> <td colspan="2" style="padding: 0cm 5.4pt; width: 926.95pt;" width="1236"> <a href="http://www.fusioncaraudio.com/" target="_blank"><img src="cid:image001.jpg@01CA0C7C.D9E10040" border="0" height="71" width="222"></a> </td> <td style="border: medium none ; padding: 0cm;" width="27"> </td> </tr> <tr> <td style="padding: 0.75pt; width: 9.55pt;" width="13"> </td> <td colspan="2" style="padding: 0.75pt; width: 937.85pt;" width="1250"> <div> <div> Alex Bunnett </div> <div> Embedded Software Engineer </div> <div> Ph: +64-9-369-2900 DDI: +64-9-369-2940 </div> <div> Fax: +64-9-369-2907 Email: <a href="mailto:alexb@fusionelectronics.co.nz" target="_blank">alexb@fusionelectronics.co.nz</a> Website: <a href="http://www.fusionelectronics.com" target="_blank">http://www.fusionelectronics.com</a> The information in this email and any attachments is confidential. This information may be subject to legal, professional, or other privilege. It must not be disclosed to any person without our authority. If you are not the intended recipient you are not authorised to and must not disclose, copy, distribute, or retain this message or any part of it. Please return this message to the sender immediately and delete any and all copies from your system. </div> </div> </td> </tr> <tr height="0"> <td style="border: medium none ;" width="16"></td> <td style="border: medium none ;" width="1223"></td> <td style="border: medium none ;" width="30"></td> </tr> </tbody></table> <div> </div> </div> </div> _______________________________________________ dbus mailing list <a href="mailto:dbus@lists.freedesktop.org">dbus@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/dbus" target="_blank">http://lists.freedesktop.org/mailman/listinfo/dbus</a> </blockquote></div>