From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <4A4F8527.9090906@theserrs.net> Date: Sat, 04 Jul 2009 10:36:55 -0600 From: Scott Serr MIME-Version: 1.0 To: linux-bluetooth@vger.kernel.org Subject: help debugging: rfcomm connect but no data (on AT / OK) Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi, I hope someone can help me connect to my old Treo 650. I can do it on one machine, but not three others. Desktop/Gigabyte - Ubuntu 8.10 - works, AT commands, I get a PPP connection Dell D610 Notebook - 8.04 / 9.04 - doesn't work, no AT command / OK Compaq Notebook - 8.10 - doesn't work, no AT command / OK Del Mini 9 - 9.04 - doesn't work, no AT command / OK I've scratched my head for hours. I use the SAME bluetooth dongle on all 4 computers. Details: I went back to "minicom" because my PPP chat script seemed to not get an "OK" from AT commands. Setup minicom to use /dev/rfcomm0 115200 8N1. On the Desktop above the AT commands work, but on the 3 notebooks AT never returns an OK. Specifically on the notebook, the minicom screen is flashing/rewritten like a a stream of invisible characters are being written to it. It seems like maybe port speeds are not the same? I also ran l2ping, I get just 1 response... then it says "Recv failed: Connection reset by peer". On the desktop it will respond forever. If I put the Treo 650's Bluetooth in normal mode instead of "Dialup Networking" then l2ping will work fine on the notebook. Seems like negotiation issues or timing issues? I can't pinpoint bad hardware. Looking for some direction?! Thanks! -Scott Serr