From: Ed Tomlinson <edt@aei.ca>
To: linux-kernel@vger.kernel.org
Subject: [regression] Apple Magic Mouse stalls
Date: Sat, 28 May 2011 10:06:33 -0400
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        linux-input@vger.kernel.org
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Hi

I've been having fun with bluetooth in .38-rc.  My adapter was old (bt 1.1) and the bluetooth stack was having 'fun' with it.
Got tired of that a got asus doggle that supports 2.1+EDR.  Then I tried to use my magic mouse.  It works for a few
minutes and then stalls.  The stalls seem to be related to touches.  If I am careful only to touch with one finger it
seems to work.  It usually works with two fingers, with three it stalls.   Running hcidump sometimes lists a last 
packet with a dlen of 35 when it stalls.  Powering it on an off reset things 

> ACL data: handle 21 flags 0x02 dlen 27
    L2CAP(d): cid 0x0041 len 23 [psm 0]
> ACL data: handle 21 flags 0x02 dlen 27
    L2CAP(d): cid 0x0041 len 23 [psm 0]
> ACL data: handle 21 flags 0x02 dlen 27
    L2CAP(d): cid 0x0041 len 23 [psm 0]
> ACL data: handle 21 flags 0x02 dlen 35
    L2CAP(d): cid 0x0041 len 31 [psm 0]

This was not a problem pre .38.  It started happening in .38-rc along with other bluetooth problems.  I figured the bt
problem was the root cause - I was wrong.

This ring any bells?

TIA
Ed Tomlinson
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