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Posts: 29
Registered: ‎08-24-2009
Location: USA
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Lenovo BlueTooth driver crashes when powered off while Skype is running

I have experienced this problem on multiple Lenovo laptops (all Thinkpads), multiple versions of Skype, multiple versions of Windows (all 64-bit) and multiple Bluetooth headsets (all Plantronics).

In this case:  W510, 16GB RAM, Windows 7 Pro 64-bit, Skype 4.2 and 5.3, Plantronics Voyager Pro


Without Skype running, I can use Fn-F5 to enable BT, power on the BT headset (it auto connects), power off the headset (it auto disconnects), and use Fn-F5 to disable BT.  Furthermore, I can do all this multiple times.  All seems very robust.


With Skype running, I can do most of these steps and they work fine, I can use the BT headset with Skype, etc.  Just one critical thing does not work:  If I power off the BT headset while Skype is running then I immediately get an error pop-up and Windows application event log entry indicating that the BtStacker.exe process failed (ie. crashed).  From that point on, BT is unusable until I reboot Windows.


It's the Lenovo support BT drivers (created by Broadcom, apparently) that crashes. 


QUESTION:   Is anyone else experiencing this problem or know of a solution?


I reported the problem to skype when I first encountered it, long ago, but without getting any real attention on it.  I just opened another incident and so far there is no indication of a problem within Skype, itself.  The concensus if mounting that the root cause is in the Broadcom driver.


Here is the content of the event log entry:

Log Name:      Application
Source:        Application Error
Date:          6/16/2011 2:58:04 PM
Event ID:      1000
Task Category: (100)
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      RMILLING6474
Faulting application name: BtStackServer.exe, version:, time stamp: 0x4c129e66
Faulting module name: MSVCR80.dll, version: 8.0.50727.5592, time stamp: 0x4d2beab3
Exception code: 0xc000000d
Fault offset: 0x0000000000078ba8
Faulting process id: 0x920
Faulting application start time: 0x01cc2c565188f84b
Faulting application path: C:\Program Files\ThinkPad\Bluetooth Software\BtStackServer.exe
Faulting module path: C:\Windows\WinSxS\amd64_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.5592_none_88e45feb2faab9ce\MSVCR80.dll
Report Id: 90719367-984a-11e0-b5b5-00a0c6000000
Event Xml:
<Event xmlns="">
    <Provider Name="Application Error" />
    <EventID Qualifiers="0">1000</EventID>
    <TimeCreated SystemTime="2011-06-16T18:58:04.000000000Z" />
    <Security />
    <Data>C:\Program Files\ThinkPad\Bluetooth Software\BtStackServer.exe</Data>




Bit Torrent
Posts: 2,401
Registered: ‎04-08-2011
Location: USA
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Re: Lenovo BlueTooth driver crashes when powered off while Skype is running

Are you running Office 2010?