[Bluez-devel] BCSP initialization timed out

[Bluez-devel] BCSP initialization timed out

[John McCorquodale]

I know this is a FAQ, but I'm a heartless, uncaring Microsoft-loving newbie
treehugging republican commie meat-eating gun-toting american imperialist
frustrated by the crappy broken list search operation which doesn't even
find the last time I asked the question, so I'm asking it again.  I'm just 
trying to get the facts and status straight before harassing Other People
to try to figure this thing out.

FAQ: "BCSP initialization timed out" with 2.6 serial_cs

As I understand it, the bluez opinion on this problem is "something changed
with the serial driver from 2.4 to 2.6, and it's broken now and the problem
isn't our fault so we're not going to think about it"

I anticipate, if I try to go to kernel types and say this, that their response
will be something to the effet of "every other serial device works fine in
2.6, bluez is broken and the problem isn't our fault so we're not going to
think about it"

In an attempt to avoid this impasse, could those of y'all who know this
hardware pause for a moment and try to imagine what might be weird about 
the Uarts in question, and maybe offer some constructive shots in the dark
about what might make a Socket Communications bluetooth CF card different
than a normal 16550?

A quick run of od -x shows that the device really does deliver different
data in 2.4 and 2.6 -- the 2.6 version never sends the 0xc0 that hciattach
seems to be waiting for, so there really is something different going on
but I'm trying to avoid a complete shot in the dark and wholesale reading
of the whole serial implementations in both kernel verions, which is
tantamount in time and complexity to just rewriting the thing anyway.

Alternatively, if somebody could just recommend a CF card that works in
2.6, I'll pitch this one in the trash and get on with life.

-mcq


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Re: [Bluez-devel] BCSP initialization timed out

[Marcel Holtmann]

Hi John,

> FAQ: "BCSP initialization timed out" with 2.6 serial_cs
> 
> As I understand it, the bluez opinion on this problem is "something changed
> with the serial driver from 2.4 to 2.6, and it's broken now and the problem
> isn't our fault so we're not going to think about it"
> 
> I anticipate, if I try to go to kernel types and say this, that their response
> will be something to the effet of "every other serial device works fine in
> 2.6, bluez is broken and the problem isn't our fault so we're not going to
> think about it"
> 
> In an attempt to avoid this impasse, could those of y'all who know this
> hardware pause for a moment and try to imagine what might be weird about 
> the Uarts in question, and maybe offer some constructive shots in the dark
> about what might make a Socket Communications bluetooth CF card different
> than a normal 16550?
> 
> A quick run of od -x shows that the device really does deliver different
> data in 2.4 and 2.6 -- the 2.6 version never sends the 0xc0 that hciattach
> seems to be waiting for, so there really is something different going on
> but I'm trying to avoid a complete shot in the dark and wholesale reading
> of the whole serial implementations in both kernel verions, which is
> tantamount in time and complexity to just rewriting the thing anyway.

even if some people think that I own every Bluetooth device on the
planet that is not true. And actually the cards from Socket and
Brainboxes are these that I don't own. So I've never done any test with
these cards and maybe they started to work with 2.6.8-rc1 or so, because
there are fixes in the serial subsystem.

> Alternatively, if somebody could just recommend a CF card that works in
> 2.6, I'll pitch this one in the trash and get on with life.

I own an old Com1 card that is working in BCSP mode with the serial_cs
driver, but it only works at 115200 baud.

Regards

Marcel




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