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Thanks for your feedback.
I can't reproduce the issue on 10.7.2 on either the Mac Mini Mid 2011 (Bluetooth 4.0) nor on a MacBook Pro 2011 (Bluetooth 2.1+EDR). I'll also try with older Macs later.
In the meantime, do you have Xcode 4 - a free download from the Mac App Store - installed by any chance?
If yes, please
1) launch the Packet Logger tool (from /Developer/Applications/Utilities/Bluetooth)
2) click on "Clear"
3) reproduce the issue
4) select "Save As.." from Packet Logger's menu and save the log in pklg format (default)
5) send the log to info ~at~- iospirit ~dot~ com
I'll then file a bug with Apple with all packet logs that I receive, so they can - hopefully - fix the issue in 10.7.3.
Other than that: are there any circumstances under which the issue always occurs - or never occurs?
Thanks in advance.
Best regards,
Felix Schwarz