Bluetooth only works after restart from Windows

hi,

i have a dell d420 now for a few days, but bluetooth wont work.

bluetooth isnt available if i start the notebook, but if i restart the notebook from a windows (where bluetooth works) bluetooth works out of the box.
this problem is also confirmed on a dell d620 notebook.

any ideas how i can fix this problem?

regards,
patrick

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i did some testing so i found out something more about the problem.

i have got a dell d420 notebook (with windows vista preinstalled) and a dell d620 notebook (with windows xp preinstalled)

both devices have got a dell wireless 250 bluetooth device inside.

if i boot a ubuntu 7.04 live-cd bluetooth works out of the box on the dell d620 (xp)

hci0: Type: USB

    BD Address: 00:16:41:DD:57:39 ACL MTU: 384:8 SCO MTU: 64:8
    UP RUNNING PSCAN ISCAN
    RX bytes:685 acl:0 sco:0 events:21 errors:0
    TX bytes:326 acl:0 sco:0 commands:20 errors:0
    Features: 0xff 0xff 0x9f 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: 'ubuntu-0'
    Class: 0x3e0100
    Service Classes: Networking, Rendering, Capturing, Object Transfer, 

Audio
Device Class: Computer, Uncategorized
HCI Ver: 2.0 (0x3) HCI Rev: 0x976 LMP Ver: 2.0 (0x3) LMP Subver: 0x976
Manufacturer: Cambridge Silicon Radio (10)

if i boot ubuntu 7.04 live-cd bluetooth doesnt work. hciconfig -a doesnt shown any device.
after rebooting into windows vista and rebooting back (no power off) with the live-cd hciconfig -a shows something.
and bluetooth works.

hci0: Type: USB
BD Address: 00:1A:6B:11:6B:0C ACL MTU: 384:8 SCO MTU: 64:8 UP RUNNING PSCAN ISCAN
RX bytes:593 acl:0 sco:0 events:37 errors:0
TX bytes:323 acl:0 sco:0 commands:19 errors:0
Features: 0xff 0xff 0x9f 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: 'MOONY1'
Class: 0x12010c
Service Classes: Networking, Object Transfer
Device Class: Computer, Laptop
HCI Ver: 2.0 (0x3) HCI Rev: 0xdd2 LMP Ver: 2.0 (0x3) LMP Subver: 0xdd2
Manufacturer: Cambridge Silicon Radio (10)

so this can only be a fireware problem or?

regards,
patrick

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hi,

after hours of work i finally get the bluetooth working with linux!

the problem is a defect? firmware with the preinstalled windows vista notebook.

i have now updated to another firmware after that bluetooth work without any problems. :-)

an here is a step by step howto. use this on you own risk.

- download the latest bluetooth drivers for windows XP for the d420 currently this is R117967.exe
- extract it anywhere is used c:\dell\drivers\R117967
- run dfu.exe (from c:\dell\drivers\R117967\2kxp\dfu\ this takes some minutes.
- after that blutooth should work in linux but it dont work anymore in vista ;-)
- this can be fixed by installing the windows xp drivers (c:\dell\drivers\R117967\2kxp\setup.exe).
- after that you have to install the new version of the toshiba bluetooth stack (dell uses this one)
from http://aps.toshiba-tro.de/bluetooth/pages/download.php

the only problem i found out is that the new software is only a 30 day test version.
but perhaps dell could be so nice and fix this problem. ;-)

another way could be to get the working firmware and upload it via the dfutool (bluez-utlils). but i don't have tested this yet.

hope this helps other users.

regards,
patrick

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