From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <4101C6BE.3010707@india.hp.com> Date: Sat, 24 Jul 2004 07:47:34 +0530 From: Swarup Mohalik Reply-To: mohalik@india.hp.com MIME-Version: 1.0 To: Marcel Holtmann Cc: BlueZ Mailing List Subject: Re: [Bluez-users] rfcomm References: <200401302209.52396.raydar@nwlink.com> <4100F85D.5080200@india.hp.com> <1090583514.4791.42.camel@pegasus> Content-Type: multipart/alternative; boundary="------------050104010608060808010609" List-ID: --------------050104010608060808010609 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit I have upgraded the bluez-modules. But the problem persists: To recap, *********************************************************** Problem: lx1 runs rctest -s lx2 freezes No problem with l2test. *********************************************************** The current configuration of lx2 is : usb dongles twin pack from amazing tech ================================== Linux RH 8.0 running 2.6.0. kernel # Bluetooth support # CONFIG_BT=m CONFIG_BT_L2CAP=m CONFIG_BT_SCO=m CONFIG_BT_RFCOMM=m CONFIG_BT_RFCOMM_TTY=y CONFIG_BT_BNEP=m CONFIG_BT_BNEP_MC_FILTER=y CONFIG_BT_BNEP_PROTO_FILTER=y # # Bluetooth device drivers # CONFIG_BT_HCIUSB=m CONFIG_BT_USB_SCO=y # CONFIG_BT_USB_ZERO_PACKET is not set # CONFIG_BT_HCIUART is not set # CONFIG_BT_HCIVHCI is not set [root@ebnt9638 bluetooth]# lsmod Module Size Used by hci_usb 17152 2 rfcomm 45720 0 l2cap 31232 5 rfcomm bluetooth 56420 7 hci_usb,rfcomm,l2cap uhci_hcd 36232 0 ehci_hcd 26880 0 I have the following as well: bluez-libs-2.8 bluez-utils-2.8 ============================================= hcidump (as root) data: root@ebnt9638 swarup]# hcidump HCIDump - HCI packet analyzer ver 1.9 device: hci0 snap_len: 1028 filter: 0xffffffff > HCI Event: Connect Request (0x04) plen 10 < HCI Command: Accept Connection Request (0x01|0x0009) plen 7 > HCI Event: Command Status (0x0f) plen 4 > HCI Event: Connect Complete (0x03) plen 11 < HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4 > HCI Event: Max Slots Change (0x1b) plen 3 > HCI Event: Command Complete (0x0e) plen 6 < HCI Command: Change Connection Packet Type (0x01|0x000f) plen 4 > HCI Event: Command Status (0x0f) plen 4 > ACL data: handle 0x0028 flags 0x02 dlen 12 L2CAP(s): Connect req: psm 3 scid 0x0040 > HCI Event: Connection Packet Type Changed (0x1d) plen 5 < ACL data: handle 0x0028 flags 0x02 dlen 16 L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0 > ACL data: handle 0x0028 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4 MTU 1024 < ACL data: handle 0x0028 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0 < ACL data: handle 0x0028 flags 0x02 dlen 16 L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4 MTU 1024 > HCI Event: Number of Completed Packets (0x13) plen 5 > HCI Event: Number of Completed Packets (0x13) plen 5 > HCI Event: Number of Completed Packets (0x13) plen 5 > ACL data: handle 0x0028 flags 0x02 dlen 14 L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0 > ACL data: handle 0x0028 flags 0x02 dlen 8 L2CAP(d): cid 0x40 len 4 [psm 3] RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c ============================================= At this point the machine freezes !! Swarup Marcel Holtmann wrote: >Hi Swarup, > > > >>I have bluez with bluez-utils-2.7 on two RH 8.0 systems (lx1 and lx2). >> >> > >please upgrade to bluez-utils-2.8 first. What kernel do you use? > > > >>When I start rctest -r on lx1 without starting rctest -s on lx2, lx2 hangs >>and I have to switch it off and on to restart. This happens EVERY TIME >>I try this. >> >> > >I don't get the point how lx2 can hang when you listen at lx1. Are these >two different machines or two dongles connected to the same machine? > > > >>This does not happen when I run l2test in any way. Does it prove that >>there is a problem with RFCOMM? I have not seen this problem in >>the mailing list. If I have missed it, please inform. >> >> > >Actually I don't know. Show us "hcidump -x" from both machines. > >Regards > >Marcel > > > > >------------------------------------------------------- >This SF.Net email is sponsored by BEA Weblogic Workshop >FREE Java Enterprise J2EE developer tools! >Get your free copy of BEA WebLogic Workshop 8.1 today. >http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click >_______________________________________________ >Bluez-users mailing list >Bluez-users@lists.sourceforge.net >https://lists.sourceforge.net/lists/listinfo/bluez-users > > > > --------------050104010608060808010609 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit I have upgraded the bluez-modules. But the problem persists:
To recap,
***********************************************************
Problem:
    lx1 runs rctest -s <bt_addr of lx2>
    lx2 freezes
   
    No problem with l2test.
***********************************************************

The current configuration of lx2 is :

usb dongles twin pack from amazing tech

==================================
Linux RH 8.0 running 2.6.0. kernel
# Bluetooth support
#
CONFIG_BT=m
CONFIG_BT_L2CAP=m
CONFIG_BT_SCO=m
CONFIG_BT_RFCOMM=m
CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=m
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y

#
# Bluetooth device drivers
#
CONFIG_BT_HCIUSB=m
CONFIG_BT_USB_SCO=y
# CONFIG_BT_USB_ZERO_PACKET is not set
# CONFIG_BT_HCIUART is not set
# CONFIG_BT_HCIVHCI is not set

[root@ebnt9638 bluetooth]# lsmod
Module                  Size  Used by
hci_usb                17152  2
rfcomm                 45720  0
l2cap                  31232  5 rfcomm
bluetooth              56420  7 hci_usb,rfcomm,l2cap
uhci_hcd               36232  0
ehci_hcd               26880  0


I have the following as well:
bluez-libs-2.8
bluez-utils-2.8
=============================================
hcidump (as root) data:
root@ebnt9638 swarup]# hcidump
HCIDump - HCI packet analyzer ver 1.9
device: hci0 snap_len: 1028 filter: 0xffffffff
> HCI Event: Connect Request (0x04) plen 10
< HCI Command: Accept Connection Request (0x01|0x0009) plen 7
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Connect Complete (0x03) plen 11
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
> HCI Event: Max Slots Change (0x1b) plen 3
> HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Change Connection Packet Type (0x01|0x000f) plen 4
> HCI Event: Command Status (0x0f) plen 4
> ACL data: handle 0x0028 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040
> HCI Event: Connection Packet Type Changed (0x1d) plen 5
< ACL data: handle 0x0028 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
> ACL data: handle 0x0028 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4
    MTU 1024
< ACL data: handle 0x0028 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0
< ACL data: handle 0x0028 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x0000 clen 4
    MTU 1024
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 0x0028 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x0000 result 0 clen 0
> ACL data: handle 0x0028 flags 0x02 dlen 8
    L2CAP(d): cid 0x40 len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c

=============================================
At this point the machine freezes !!

Swarup

Marcel Holtmann wrote:
Hi Swarup,

  
I have bluez with bluez-utils-2.7 on two RH 8.0 systems (lx1 and lx2).
    

please upgrade to bluez-utils-2.8 first. What kernel do you use?

  
When I start rctest -r on lx1 without starting rctest -s on lx2, lx2 hangs
and I have to switch it off and on to restart. This happens EVERY TIME
I try this.
    

I don't get the point how lx2 can hang when you listen at lx1. Are these
two different machines or two dongles connected to the same machine?

  
This does not happen when I run l2test in any way. Does it prove that
there is a problem with RFCOMM? I have not seen this problem in
the mailing list. If I have missed it, please inform.
    

Actually I don't know. Show us "hcidump -x" from both machines.

Regards

Marcel




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