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Re: [bluetooth-dev] Kernel 2.4.4 USB driver.

Thanks for the kind explanation. 

You wouldn't happen to remember combination of versions of kernel and stack
that worked last time, would you?
I would appreciate if you can share that info with me.
I admit that I probably don't have up-to-date stack patches but with Mar 29th
release, I thought it should be close enough.

I tried with 2.2.19 kernel as well ( with Jan 08 release, Mar 29th didn't work on 2.2.19 ),
but USB failed to detect even the hardware (Ericsson with older firmware, P9A)
although driver itself got installed, weird. Perhaps I should try patch on 2.2.19 to
have better chance ?

Thanks so much again.


----- Original Message ----- 
From: Mark Corner 
To: Taejin Yoon ; bluetooth-dev@xxxxxxx.com 
Sent: Thursday, May 03, 2001 2:20 AM
Subject: RE: [bluetooth-dev] Kernel 2.4.4 USB driver.

You may be using an older version of the stack or the required patch never made it into the stack.  I have to admit complete ignorance on the current status of the Axis stack/USB interaction.  At one point it partially worked.

That error message creeps up when the stack sends packets to the USB shim in interrupt context.  I wrote a patch at one point to fix it, search the mailing list.  Sending on the serial port doesn't block so it is ok for serial modules.  However the USB send routines may block, so you can't use them from interrupt context.  My solution was to queue them at the stack layer and send them from a scheduler queue later.  

I thought the stack incorporated that fix at one point?

BTW, has anyone tried the USB driver with the current CVS Axis stack?  What is the current status: working, not working?  Kernel mode, user mode stack?  I just haven't had time to try it.  Greg, have you tried it?
Mark Corner
-----Original Message-----
From: owner-bluetooth-dev@xxxxxxx.com]On">mailto:owner-bluetooth-dev@xxxxxxx.com]On Behalf Of Taejin Yoon
Sent: Sunday, April 29, 2001 11:49 PM
To: bluetooth-dev@xxxxxxx.com
Subject: [bluetooth-dev] Kernel 2.4.4 USB driver.

I have problem with Kernel 2.4.4's USB driver. I am using Ericsson Board
with following info. (Firmware revision P9A).

Ericsson HW revision info: 
Generated: 2000-04-28 15:54
Comment: CXC 125 244 P9A 

I am using bt stack released on Mar 29th of this year.

When I try to run btd, I get 

'cmd_pkt from interrupt!'

error for every command packet it sends.

Has anyone run 2.4.4 USB successfully?


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