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RE: Re: [bluetooth-dev] OpenBT kernel stack freezing



My system is a 2.4.7 kernel running on ARM, attached
to a Casira system.
I am using the stack in HCI rather than BCSP mode.

Does anyone else have this problem?
Are there work arounds? Note - I can't revert to
an earlier kernel, I have other things that are
2.4 dependent.

Are there any advantages moving to BCSP??

Original Message:
-----------------
From: Alain Paschoud alain.paschoud@xxxxxxx.ch
Date: Thu, 14 Feb 2002 15:38:59 +0100
To: bluetooth-dev@xxxxxxx.com
Subject: Re: [bluetooth-dev] OpenBT kernel stack freezing


Hello,

I am using the stack under kernel 2.2.19 in kernel mode. If I use normally the stack, I don't crash any more. But a friend of mine who use the stack under a 2.4 kernel said me that it regulary crashes.

Which kernel do you use ?

On Thu, 14 Feb 2002 09:20:34 -0500
"tlindquist@xxxxxxx.au> wrote:

> I've observed this a number of times now - the stack
> seems to freeze (intermittently) when I create a dial
> up connection from laptop with IBM card (the target
> is an ARM system attached to a Casira).
> 
> The debug trace is below. Has anyone experienced this
> problem?? Can anyone help? (Note, I've tried several
> versions of CSR firmware, all with the same result)
> 
> 
> Thanks
> 
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x01 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 0
> <4>HCI: <NCP:1>
> <4>HCI: update_ncp: acl_num after: 1
> <4>
> <4>hci_receive_data:  (32):
> <4>0x04 0x13 0x05 0x01 0x28 0x00 0x01 0x00 0x04 0x13 0x05 0x01 0x28 0x00 0x01 0x
> 00
> <4>0x04 0x13 0x05 0x01 0x28 0x00 0x02 0x00 0x04 0x13 0x05 0x01 0x28 0x00 0x02 0x
> 00
> <4>hci_receive_data: hci-32
> <4>HCI: hci_receive_data: WAIT_FOR_PACKET_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_LENGTH
> <4>
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x01 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 1
> <4>HCI: <NCP:2>
> <4>HCI: update_ncp: acl_num after: 2
> <4>HCI: hci_receive_data: WAIT_FOR_PACKET_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_LENGTH
> <4>
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x01 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 2
> <4>HCI: <NCP:3>
> <4>HCI: update_ncp: acl_num after: 3
> <4>HCI: hci_receive_data: WAIT_FOR_PACKET_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_LENGTH
> <4>
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x02 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 3
> <4>HCI: <NCP:5>
> <4>HCI: update_ncp: acl_num after: 5
> <4>HCI: hci_receive_data: WAIT_FOR_PACKET_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_LENGTH
> <4>
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x02 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 5
> <4>HCI: <NCP:7>
> <4>HCI: update_ncp: acl_num after: 7
> <4>HCI: hci_send_data: 9 bytes
> <4>HCI: send_acl_data_task: 9 bytes
> <4>HCI: send_acl_data_task: 9 bytes
> <4>HCI: send_acl_packet: send 9 bytes (excl HCI header) out of 9
> <4>HCI: send_acl_packet: There are 5 bytes space for the headers
> <4>
> <4>send_acl_packet:  (14):
> <4>0x02 0x28 0x20 0x09 0x00 0x05 0x00 0x42 0x00 0x09 0xef 0x03 0x0d 0x40
> <4>HCI: send_acl_packet: now c = 9
> <4>HCI: send_acl_packet: unsubscribing tx_buf.
> <4>HCI: <--0 (6)
> <4>
> <4>hci_receive_data:  (8):
> <4>0x04 0x13 0x05 0x01 0x28 0x00 0x01 0x00
> <4>hci_receive_data: hci-8
> <4>HCI: hci_receive_data: WAIT_FOR_PACKET_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_TYPE
> <4>HCI: hci_receive_data: WAIT_FOR_EVENT_LENGTH
> <4>
> <4>process_event (5):
> <4>0x01 0x28 0x00 0x01 0x00
> <4>HCI: process_event: NUMBER_OF_COMPLETED_PACKETS
> <4>HCI: update_ncp: acl_num before: 6
> <4>HCI: <NCP:7>
> <4>HCI: update_ncp: acl_num after: 7
> 
> ^^^^^^^^^^^^^
> freezes here (same behavior each time it freezes)
> 
> 
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-- 
Alain Paschoud                      SMARTDATA SA
alain.paschoud@xxxxxxx.ch         PSE-A
http://www.smartdata.ch             1015 Lausanne
Phone +41-21-693'84'98              
Fax   +41-27-693'84'91              
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