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On Sat, 4 Oct 2008 23:28:41 -0700 (PDT) [email protected] wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=11705
>
> Summary: l2cap_recv_acldata: Unexpected continuation frame (len
> 0)
> Product: Drivers
> Version: 2.5
> KernelVersion: 2.6.27-rc6
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: normal
> Priority: P1
> Component: Bluetooth
> AssignedTo: [email protected]
> ReportedBy: [email protected]
>
>
> Latest working kernel version: unknown
> Earliest failing kernel version: unknown
> Distribution: Debian testing
> Hardware Environment:
>
> compaq:/home/cijoml# hciconfig hci0 revision
> hci0: Type: USB
> BD Address: 00:1E:37:XX:XX:XX ACL MTU: 1017:8 SCO MTU: 64:8
> Firmware 41.65 / 207
> compaq:/home/cijoml# hciconfig hci0 features
> hci0: Type: USB
> BD Address: 00:1E:37:XX:XX:XX ACL MTU: 1017:8 SCO MTU: 64:8
> Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80
> <3-slot packets> <5-slot packets> <encryption> <slot offset>
> <timing accuracy> <role switch> <hold mode> <sniff mode>
> <park state> <RSSI> <channel quality> <SCO link> <HV2 packets>
> <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme>
> <power control> <transparent SCO> <broadcast encrypt>
> <EDR ACL 2 Mbps> <EDR ACL 3 Mbps> <enhanced iscan>
> <interlaced iscan> <interlaced pscan> <inquiry with RSSI>
> <extended SCO> <EV4 packets> <EV5 packets> <AFH cap. slave>
> <AFH class. slave> <3-slot EDR ACL> <5-slot EDR ACL>
> <AFH cap. master> <AFH class. master> <EDR eSCO 2 Mbps>
> <EDR eSCO 3 Mbps> <3-slot EDR eSCO> <extended features>
> compaq:/home/cijoml# hciconfig -a
> hci0: Type: USB
> BD Address: 00:1E:37:XX:XX:XX ACL MTU: 1017:8 SCO MTU: 64:8
> UP RUNNING PSCAN ISCAN
> RX bytes:100912 acl:1363 sco:0 events:13089 errors:0
> TX bytes:21534098 acl:26024 sco:0 commands:49 errors:0
> Features: 0xff 0xff 0x8f 0xfe 0x9b 0xf9 0x00 0x80
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: SLAVE ACCEPT
> Name: 'compaq-0'
> Class: 0x180100
> Service Classes: Capturing, Object Transfer
> Device Class: Computer, Uncategorized
> HCI Ver: 2.0 (0x3) HCI Rev: 0x2129 LMP Ver: 2.0 (0x3) LMP Subver:
> 0x41cf
> Manufacturer: Broadcom Corporation (15)
>
> HIFI Motorola:
> compaq:/home/cijoml# hcitool info 00:0C:55:XX:XX:XX
> Requesting information ...
> BD Address: 00:0C:55:XX:XX:XX
> Device Name: Motorola S805
> LMP Version: 2.0 (0x3) LMP Subversion: 0xa41
> Manufacturer: Cambridge Silicon Radio (10)
> Features: 0xff 0xff 0x8f 0x78 0x18 0x18 0x00 0x80
> <3-slot packets> <5-slot packets> <encryption> <slot offset>
> <timing accuracy> <role switch> <hold mode> <sniff mode>
> <park state> <RSSI> <channel quality> <SCO link> <HV2 packets>
> <HV3 packets> <u-law log> <A-law log> <CVSD> <paging scheme>
> <power control> <transparent SCO> <broadcast encrypt>
> <enhanced iscan> <interlaced iscan> <interlaced pscan>
> <inquiry with RSSI> <AFH cap. slave> <AFH class. slave>
> <AFH cap. master> <AFH class. master> <extended features>
>
>
> Software Environment:
> 2.6.27-rc6,
> compaq:/usr/src# dpkg -l |grep bluez
> ii bluez-audio 3.36-1
> Bluetooth audio support
> ii bluez-utils 3.36-1
> Bluetooth tools and daemons
>
> Problem Description:
> After start of A2DP stream to my Motorola S805,my dmesg log is flooded with
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
> l2cap_recv_acldata: Unexpected continuation frame (len 0)
>
> Sound goes great!
>
> Steps to reproduce:
> start play
>