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Date: Wed, 1 Apr 2015 08:05:50 -0700
Message-ID: <CAFPOs6pwHSP3tDmTV4VGUr3jiP_P96W0FxAJbR6Md6Xc-yQAyg@mail.gmail.com>
Subject: Re: register HID with SDP error
From: Maksim Yevmenkin <maksim.yevmenkin@gmail.com>
To: Waitman Gobble <gobble.wa@gmail.com>
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Cc: "freebsd-bluetooth@freebsd.org" <freebsd-bluetooth@freebsd.org>,
 Iain Hibbert <plunky@ogmig.net>
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Hello,

[...]

> Can this 'syntax error' problem be related to the requested MTU?
>
> with essentially the 'same' connection request,
>
> here's the transaction log from an MS Windows client. No syntax
> errors. The requested MTU is 1024
>
> https://gist.github.com/waitman/2d5a72e9f9544848e832
>
> L2CAP(d): cid 0x40 len 346 [psm 1]
>
>
> and a log from android client. Requested MTU is 256.
>
> https://gist.github.com/waitman/e365debcd4a96d849153
>
> L2CAP(d): cid 0x43 len 247 [psm 1]
>
> note it's bombing out with something about aid 0x0200, which isn't
> actually an aid specified in my 0x1124 record.

just a wild guess. please make sure that you maintain continuation
state properly. when sdp response is bigger than l2cap mtu, response
is chunked.

thanks,
max