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Pocket PC Forum / End Users / ActiveSync / March 2007Bluetooth connected ActiveSync 4.5b2 crash after wake up from stan
Hello, I'm running a WinXP SP2 computer with a Bluetooth controller and MS Bluetooth stack. I connected a smartphone to it using Bluetooth and a serial replacement profile (ActiveSync). I often let or force my computer to enter standby or suspend-to-disk. When I resume it, ActiveSync 4.5b2 crash after my session opened. Is this behavior common, normal or known? Regards Hi, ActiveSync is not designed to be synchronizing during a suspend/standby. Basically the suspend/standby disrupts the communication. Also I would report the issue to astell at microsoft.com so they are aware of it. They may modify ActiveStnc so it won't allow the PC to suspend/standby while you are synchronizing.  SignatureChris De Herrera http://www.pocketpcfaq.com http://www.tabletpctalk.com http://www.pocketpctalk.com http://www.mobilitytalk.com ActiveSync 4.x Troubleshooting Guide - http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm > Hello, > I'm running a WinXP SP2 computer with a Bluetooth controller and MS [quoted text clipped - 8 lines] > > Regards Hi again Chris, Sorry, I’ll try to re-explain, in details, my case. I've linked my device (a smartphone in this case) to my PC for the ActiveSync service (a derivate from the serial port profile it seems) using Bluetooth. I make sync. The sync is finished; nonetheless the two devices are still connected. I put my PC under standby or suspend-to-disk. After I resume and re-enter my session, ActiveSync crashes. Regards, Sébastien Mouren > Hi, > ActiveSync is not designed to be synchronizing during a suspend/standby. [quoted text clipped - 16 lines] > > > > Regards Hi Sebastien, Since the device was connected, it is still sending and receiving packets from the PC. The PC will stop communicating abruptly when you go into suspend/hibernate mode. However the Smartphone still thinks it is connected. It will eventually time out. So the error with ActiveSync is that it should just end the connection rather than crashing. It should not crash as you described. This can be resolved in multiple ways by Microsoft including not allowing you to suspend/hibernate while ActiveSync is connected to a device. Another option is to review the engineering of the device drivers to see if they can workaround the abrupt termination of the connection. SignatureChris De Herrera http://www.pocketpcfaq.com http://www.tabletpctalk.com http://www.pocketpctalk.com http://www.mobilitytalk.com ActiveSync 4.x Troubleshooting Guide - http://www.pocketpcfaq.com/faqs/activesync/tshoot-as4x.htm > Hi again Chris, > Sorry, I'll try to re-explain, in details, my case. [quoted text clipped - 34 lines] >> > >> > Regards I have a bit of a different slant on this problem but the outcome is the same. I have my Treo 700W connected to activesync via bluetooth. When I leave my computer I take my Treo with me and terminate the activesync bluetooth connection on the Treo. I also put my computer into standby. Upon my return I cannot reconnect my Treo. I receive a message "Port Not Available. The communications port is not available. Another program may be using the port, or it may not be valid." The message does not tell me whether the port on the Treo or my computer is unavailable. I have to reboot my computer and my Treo to reestablish the connection. I have tried just rebooting the Treo but that doesn't work. This negates advantage of the Standby function! Any ideas? > Hi Sebastien, > Since the device was connected, it is still sending and receiving packets [quoted text clipped - 47 lines] > >> > > >> > Regards Try unchecking the box for "allow connections to one of the following" in connection settings, hit ok and then go back in, check the box and hit ok. See if you can connect after that. If not you may have to uncheck that box before you standby. ActiveSync is not very good with power state transitions. WMDC on Vista handles this much more gracefully and is much better at not draining your notebook's battery when you don't have a device connected. Something to look forward to :-) Gary Waliczek [MSFT] SignatureThis posting is provided "AS IS" with no warranties, and confers no rights. >I have a bit of a different slant on this problem but the outcome is the > same. I have my Treo 700W connected to activesync via bluetooth. When I [quoted text clipped - 70 lines] >> >> > >> >> > Regards Thanks Gary, that worked. I never would have thought of unchecking and checking the box. Wonder what else is 'hidden' in there! > Try unchecking the box for "allow connections to one of the following" in > connection settings, hit ok and then go back in, check the box and hit ok. [quoted text clipped - 81 lines] > >> >> > > >> >> > Regards Gary, You were helpful before let's see if you can tackle this one. I have researched the problems with Activesync and my BT connection further. when I place my pc into hibernation the same problems that I described earlier occur except they are not fixed by simply unchecking the box as below. I must go through the reboot process for both the pc and the Treo. I am pursuing this because I use a tablet pc. I can use the ir to connect and sync but the ir is not in a convienent place when the tablet is in slate mode. > Try unchecking the box for "allow connections to one of the following" in > connection settings, hit ok and then go back in, check the box and hit ok. [quoted text clipped - 81 lines] > >> >> > > >> >> > Regards |
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