[Bluez-devel] Hardware error

mike

author

2005-02-01 11:55 UTC #0 lore raw

Dear All
When i try to send file though bluetooth, there is a hardware error
in hcidump. I am using serial dongle with CSR BC02 external chip set, hci firmware ver 18.1. And then both side will halt at the bluetooth read/write system call. I want to find out is it the problem from my hardware or anything else. Do anyone have ideas?

Quoted 2 lines

HCI Event: Number of Completed Packets(0x13) plen 5 HCI Event: Number of Completed Packets(0x13) plen 5

< ACL data: handle 0x002a flags 0x02 dlen 20
L2CAP(d): cid 0x62 len 16 [psm 3]

     RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 12 fcs 0x40

< ACL data: handle 0x002a flags 0x02 dlen 192

Quoted 2 lines

HCI Event: Number of Completed Packets(0x13) plen 5 HCI Event: Number of Completed Packets(0x13) plen 5

< ACL data: handle 0x002a flags 0x01 dlen 139
L2CAP(d): cid 0x62 len 327 [psm 3]

     RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 322 fcs 0x40

Quoted 2 lines

HCI Event: Hardware Error(0x10) plen 1
ACL data: handle 0x002a flags 0x02 dlen 9

L2CAP(d): cid 0x40 len 5 [psm 3]

     RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 3
< ACL data: handle 0x002a flags 0x02 dlen 20
   L2CAP(d): cid 0x62 len 16 [psm 3]
     RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 12 fcs 0x40

< ACL data: handle 0x002a flags 0x02 dlen 192

hci0: Type: UART

       BD Address: 00:08:E0:01:49:6A ACL MTU: 192:8  SCO MTU: 64:8
       UP RUNNING PSCAN ISCAN
       RX bytes:149871 acl:2811 sco:0 events:12828 errors:0
       TX bytes:1847648 acl:15873 sco:0 commands:307 errors:0
       Features: 0xff 0xff 0x8b 0x78 0x18 0x18 0x00 0x80
       Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
       Link policy: RSWITCH HOLD SNIFF PARK
       Link mode: SLAVE ACCEPT
       Name: 'mike (0)'
       Class: 0x000100
       Service Classes: Unspecified
       Device Class: Computer, Uncategorized
       HCI Ver: 1.2 (0x2) HCI Rev: 0x490 LMP Ver: 1.2 (0x2) LMP Subver:

0x490
Manufacturer: Cambridge Silicon Radio (10)

best regard
Mike,Lee

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Marcel Holtmann

maintainer

2005-02-01 11:46 UTC #1 lore raw

Hi Mike,

Quoted 5 lines

When i try to send file though bluetooth, there is a hardware error
in hcidump. I am using serial dongle with CSR BC02 external chip set, hci firmware ver 18.1. And then both side will halt at the bluetooth read/write system call. I want to find out is it the problem from my hardware or anything else. Do anyone have ideas?

normally when it says hardware error then it is a hardware error. Since this is a BlueCore chip you might get more information with specific vendor commands, but don't ask me how. I never needed this before.

Regards

Marcel

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Peter Wippich

2005-02-01 12:31 UTC #2 lore raw

In reply to mike

Hi Mike,

a possible cause of a hardware error is an Uart overrun. Do you have hardware handshake enabled ??

Ciao,

Peter

Quoted 51 lines · mike

Dear All
When i try to send file though bluetooth, there is a hardware error
in hcidump. I am using serial dongle with CSR BC02 external chip set, hci firmware ver 18.1. And then both side will halt at the bluetooth read/write system call. I want to find out is it the problem from my hardware or anything else. Do anyone have ideas?
Quoted 2 lines
HCI Event: Number of Completed Packets(0x13) plen 5 HCI Event: Number of Completed Packets(0x13) plen 5
< ACL data: handle 0x002a flags 0x02 dlen 20
    L2CAP(d): cid 0x62 len 16 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 12 fcs 0x40
< ACL data: handle 0x002a flags 0x02 dlen 192
Quoted 2 lines
HCI Event: Number of Completed Packets(0x13) plen 5 HCI Event: Number of Completed Packets(0x13) plen 5
< ACL data: handle 0x002a flags 0x01 dlen 139
    L2CAP(d): cid 0x62 len 327 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 322 fcs 0x40
Quoted 2 lines
HCI Event: Hardware Error(0x10) plen 1
ACL data: handle 0x002a flags 0x02 dlen 9
    L2CAP(d): cid 0x40 len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 3
< ACL data: handle 0x002a flags 0x02 dlen 20
    L2CAP(d): cid 0x62 len 16 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 12 fcs 0x40
< ACL data: handle 0x002a flags 0x02 dlen 192
hci0: Type: UART
        BD Address: 00:08:E0:01:49:6A ACL MTU: 192:8  SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:149871 acl:2811 sco:0 events:12828 errors:0
        TX bytes:1847648 acl:15873 sco:0 commands:307 errors:0
        Features: 0xff 0xff 0x8b 0x78 0x18 0x18 0x00 0x80
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy: RSWITCH HOLD SNIFF PARK
        Link mode: SLAVE ACCEPT
        Name: 'mike (0)'
        Class: 0x000100
        Service Classes: Unspecified
        Device Class: Computer, Uncategorized
        HCI Ver: 1.2 (0x2) HCI Rev: 0x490 LMP Ver: 1.2 (0x2) LMP Subver:
0x490
Manufacturer: Cambridge Silicon Radio (10)
best regard
Mike,Lee

Quoted 10 lines

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Steven Singer

2005-02-01 14:52 UTC #3 lore raw

In reply to mike

Quoted 1 line · mike

Quoted 1 line
HCI Event: Hardware Error(0x10) plen 1

If you find out what the parameter was to the hardware error event, you might get a clue as to what was going on.

You can look up the hardware error codes for CSR chips in the document HQ Commands (bcore-sp-003Pc) on the CSR support web site if you have access (www.csrsupport.com).

The most common hardware error emitted by CSR devices running the H4 UART host transport is 0xfe. This indicates that the chip has lost HCI synchronisation with the host. This is caused either by the host sending invalid data or because of corruption of the UART traffic on the wire.

Unfortunately, the H4 UART protocol does not support a proper error recovery procedure. The only option, once this error has occurred, is to issue an HCI_Reset which will, of course, tear down all existing links.

- Steven

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mike

author

2005-02-03 13:43 UTC #4 lore raw

Dear Steven
Thanks for information, I have checked that the error code is 0xfe.
Actually, i do not use cable as i am using 921600 baud rate, cable increase the error rate.
I am trying to modify the coding.

Anyways, thanks a lot
best regard
Mike,Lee

Quoted 41 lines · Steven Singer

Quoted 3 lines · mike
Quoted 1 line
HCI Event: Hardware Error(0x10) plen 1
If you find out what the parameter was to the hardware error event, you might get a clue as to what was going on.
You can look up the hardware error codes for CSR chips in the document HQ Commands (bcore-sp-003Pc) on the CSR support web site if you have access (www.csrsupport.com).
The most common hardware error emitted by CSR devices running the H4 UART host transport is 0xfe. This indicates that the chip has lost HCI synchronisation with the host. This is caused either by the host sending invalid data or because of corruption of the UART traffic on the wire.
Unfortunately, the H4 UART protocol does not support a proper error recovery procedure. The only option, once this error has occurred, is to issue an HCI_Reset which will, of course, tear down all existing links.
- Steven
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This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the system manager.
This footnote also confirms that this email message has been swept by MIMEsweeper for the presence of computer viruses.
www.mimesweeper.com
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Quoted 12 lines

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