Arch Linux

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

[SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

Hi, I'm havig trouble with making the integratod bluetooth work in my Dell Studio 15 (1555)

Bus 003 Device 005: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)

rfkill reports that the bluetooth device is not blocked:

# rfkill list
0: dell-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: dell-bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no

but hcitool finds no device at all:

# hcitool scan
Device is not available: No such device
# hcitool dev
Devices:

neither do hciconfig:

# hciconfig -a

The wiki mentions that I need to run hid2hci. This is outdated because hid2hci is not in the $PATH anymore and better yet, hid2hci tool itself has changed and now it requires the exact place of the bluetooth device in the sysfs added in the as --devpath parameter.

This is the point where I'm stuck, I have no idea where it should be.
It tried to find files in and directories in /sys/ containing broadcom, dell, bluetooth, 0a5c:4500 and 413c, but had no luck.

How can I can found out which device node belongs to which actual device in the sysfs?

I think maybe /lib/udev/rules.d/97-bluetooth-hid2hci.rules should automatically swtich the device to hci mode, but apperantly this not happens.

ps: the other Studio 15 topics were not ontopic or old and I did not want to necrobump.

Last edited by ijanos (2011-08-10 19:47:31)

mits

Member

From: Bucharest/Romania

Registered: 2008-01-10

Posts: 129

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

I have same laptop as yours and bluetooth work very well with kde&bluedevil (up to date x86_64).
Did you have bluez installed and bluetooth daemon running?

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

I have same laptop as yours and bluetooth work very well with kde&bluedevil (up to date x86_64).
Did you have bluez installed and bluetooth daemon running?

Bluez is installed and bluetooth deamon is up and running. GUI frotends cannot find the device.

This is the dmesg output when I start the bluetooth service.

[  671.630306] Bluetooth: Core ver 2.16
[  671.630328] NET: Registered protocol family 31
[  671.630330] Bluetooth: HCI device and connection manager initialized
[  671.630332] Bluetooth: HCI socket layer initialized
[  671.630333] Bluetooth: L2CAP socket layer initialized
[  671.630381] Bluetooth: SCO socket layer initialized
[ 7478.493785] Bluetooth: BNEP (Ethernet Emulation) ver 1.3

but still there is no sign of the device with hcitool dev

And no, the hardware is fine, it works when I boot windows.

mits

Member

From: Bucharest/Romania

Registered: 2008-01-10

Posts: 129

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

What DE are you using?
Dbus daemon is runing? (not backgrounded).
If yes, try to uninstall/reinstall all bluetooth packages and then restart.
In the past bluetooth was working (did you make a recent update)?
Read carefully https://wiki.archlinux.org/index.php/Bluetooth, mabe you missed something.
Here my /etc/dbus-1/system.d/bluetooth.conf:

<!-- This configuration file specifies the required security policies
     for Bluetooth core daemon to work. -->

<!DOCTYPE busconfig PUBLIC "-//freedesktop//DTD D-BUS Bus Configuration 1.0//EN"
 "http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
<busconfig>

  <!-- ../system.conf have denied everything, so we just punch some holes -->

  <policy user="root">
    <allow own="org.bluez"/>
    <allow send_destination="org.bluez"/>
    <allow send_interface="org.bluez.Agent"/>
    <allow send_interface="org.bluez.HandsfreeAgent"/>
    <allow send_interface="org.bluez.MediaEndpoint"/>
    <allow send_interface="org.bluez.Watcher"/>
  </policy>

  <policy at_console="true">
    <allow send_destination="org.bluez"/>
  </policy>

  <!-- allow users of lp group (printing subsystem) to 
       communicate with bluetoothd -->
  <policy group="lp">
    <allow send_destination="org.bluez"/>
  </policy>

  <policy context="default">
    <deny send_destination="org.bluez"/>
  </policy>

</busconfig>

Last edited by mits (2011-08-10 11:00:00)

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

What DE are you using?
Dbus daemon is runing? (not backgrounded).

openbox, and dbus is running.

If yes, try to uninstall/reinstall all bluetooth packages and then restart.
In the past bluetooth was working (did you make a recent update)?

This is a few days old fresh install of arch x86_64, so I could have missed a package, but I've read the bluetooth wiki page a few times and I think everything should be ok.

Or this could be a bug in fresh installs and maybe you have something from and older package that make your bluetooth work. (I had an x86 arch in this machine and it worked, but I configured it ~1,5 years ago)

Anyways, thanks for the dbus config, I will play with that.
EDIT: I have the exact same bluetooth.conf so that shoul be ok.

Last edited by ijanos (2011-08-10 11:22:56)

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

Ok. I re-checked everything and still no luck. There are no errors in syslog or dmesg, and they both report the successful start of the bluetooth daemon, but still no device show up for hcitool dev.

The only thing in the wiki I was not able to try is to run the hid2hci tool, because I can not figure out the right value for the required devpath parameter.

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

I am wondering if my system not loads the right module. Could you send me list of your loaded kernel modules? (the output of the lsmod command)

mits

Member

From: Bucharest/Romania

Registered: 2008-01-10

Posts: 129

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

My lsmod:
How you start your DE (startx, slim etc)?
Mabe is consolekit/polkit related.
Why didn't try to install kde to see it works.

rfcomm                 34845  8 
bnep                    9213  2 
ext4                  369556  2 
mbcache                 5817  1 ext4
jbd2                   71074  1 ext4
btusb                  11577  2 
bluetooth             138465  23 rfcomm,bnep,btusb
crc16                   1297  2 ext4,bluetooth
usbhid                 35256  0 
hid                    81635  1 usbhid
uvcvideo               64931  0 
videodev               78006  1 uvcvideo
media                  10437  2 uvcvideo,videodev
v4l2_compat_ioctl32     8292  1 videodev
wl                   2527080  0 
joydev                  9895  0 
lib80211_crypt_tkip     8506  0 
snd_hda_codec_idt      55175  1 
snd_hda_intel          22122  2 
snd_hda_codec          77927  2 snd_hda_codec_idt,snd_hda_intel
cpufreq_ondemand        6132  2 
dell_laptop             7947  0 
snd_hwdep               6325  1 snd_hda_codec
tg3                   131006  0 
acpi_cpufreq            5877  1 
snd_pcm                73856  2 snd_hda_intel,snd_hda_codec
uhci_hcd               23084  0 
freq_table              2451  2 cpufreq_ondemand,acpi_cpufreq
rfkill                 15402  3 bluetooth,dell_laptop
ehci_hcd               39511  0 
intel_agp              10904  0 
snd_timer              19416  1 snd_pcm
serio_raw               4294  0 
snd                    57786  10 snd_hda_codec_idt,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer
soundcore               6146  1 snd
snd_page_alloc          7121  2 snd_hda_intel,snd_pcm
psmouse                55224  0 
dell_wmi                1517  0 
sdhci_pci               8530  0 
sdhci                  22194  1 sdhci_pci
iTCO_wdt               12717  0 
mmc_core               73353  1 sdhci
iTCO_vendor_support     1929  1 iTCO_wdt
lib80211                4158  2 wl,lib80211_crypt_tkip
mperf                   1275  1 acpi_cpufreq
usbcore               142544  6 btusb,usbhid,uvcvideo,uhci_hcd,ehci_hcd
intel_gtt              14423  1 intel_agp
dcdbas                  5488  1 dell_laptop
sparse_keymap           3088  1 dell_wmi
i2c_i801                8187  0 
evdev                   9530  10 
i2c_core               20133  2 videodev,i2c_i801
libphy                 16665  1 tg3
r592                   12011  0 
crc_itu_t               1297  0 
memstick                6846  1 r592
thermal                 7863  0 
wmi                     8411  1 dell_wmi
processor              24256  3 acpi_cpufreq
video                  11228  0 
ac                      3265  0 
battery                10905  0 
fglrx                2815966  69 
button                  4470  1 fglrx
jfs                   173430  1 
sg                     25557  0 
sr_mod                 14951  0 
cdrom                  36329  1 sr_mod
sd_mod                 28307  5 
ahci                   20865  4 
libahci                18885  1 ahci
libata                173297  2 ahci,libahci
scsi_mod              131482  4 sg,sr_mod,sd_mod,libata

Last edited by mits (2011-08-10 13:49:23)

ijanos

Member

From: Budapest, Hungary

Registered: 2008-03-30

Posts: 443

Re: [SOLVED] Dell Studio 1555 bluetooth, cant find device in sysfs

Hah! Windows managed to shut down the adapter in a way that I could not enable it from linux. Rebooted the machine to windows, turned on the adapter, rebooted again and there it is.

Thanks for all the helpful replies!