[Bluez-users] Bluetooth on a MIPS-System

Thomas Leidenfrost

author

2004-10-07 10:41 UTC #0 lore raw

Hello BlueZ-Users,

hope I can get a little help here after some days of vainly trying. Currently I want to make my MIPS-System (AMD-Alchemy) working with Bluetooth. Support for Bluetooth was implemented as a Module in Kernel 2.4.21 (without any patch).

Then I crosscompiled the BlueZ-Libs & - Utils, and hcitool says:

"Device ist not available: Address Family not supported by protocol", altough there is a Bluetooth-USB-Dongle present or not. Before it was: "Device ist not available: Success", so I think I am one step closer than before.

lsmod says:

Module Size Used by Not tainted
saa7113 2540 0 (unused)
sii164 2980 0 (unused)
i2c-mb86290 1620 0 (unused)
i2c-algo-mb86290 2828 1 [i2c-mb86290]
i2c-dev 4428 0 (unused)
i2c-core 15504 0 [saa7113 sii164 i2c-algo-mb86290 i2c-dev] ide-cs 3888 1
hostap 96208 0
ds 8012 1 [ide-cs]
au1x00_ss 8084 1
pcmcia_core 42176 0 [ide-cs ds au1x00_ss]

but nothing like:

l2cap, hci_usb, bluez

doing # modprobe l2cap.o in /bin results:
insmod: l2cap.o: no module by that name found
modprobe: failed to load module l2cap.o

although l2cap is there!
-rwxr-xr-x 1 root root 12400 Jan 1 2004 l2cap.o

now I am at the end of my ideas and would thank you in advance for any little hint!
edit: the Bluetooth-Dongle is working properly on a x86-based Linux-System, but not on my embedded-Mips-system...

tom

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Marcel Holtmann

maintainer

2004-10-07 11:07 UTC #1 lore raw

Hi Thomas,

Quoted 4 lines

hope I can get a little help here after some days of vainly trying. Currently I want to make my MIPS-System (AMD-Alchemy) working with Bluetooth. Support for Bluetooth was implemented as a Module in Kernel 2.4.21 (without any patch).

I don't have a MIPS test system, so I can't really help here. Feel free to send me one ;)

Quoted 23 lines

Then I crosscompiled the BlueZ-Libs & - Utils, and hcitool says:
"Device ist not available: Address Family not supported by protocol", altough there is a Bluetooth-USB-Dongle present or not. Before it was:
"Device ist not available: Success", so I think I am one step closer than before.
lsmod says:
Module Size Used by Not tainted
saa7113 2540 0 (unused)
sii164 2980 0 (unused)
i2c-mb86290 1620 0 (unused)
i2c-algo-mb86290 2828 1 [i2c-mb86290]
i2c-dev 4428 0 (unused)
i2c-core 15504 0 [saa7113 sii164 i2c-algo-mb86290 i2c-dev] ide-cs 3888 1
hostap 96208 0
ds 8012 1 [ide-cs]
au1x00_ss 8084 1
pcmcia_core 42176 0 [ide-cs ds au1x00_ss]

Quoted 7 lines

but nothing like:
l2cap, hci_usb, bluez
doing # modprobe l2cap.o in /bin results:
insmod: l2cap.o: no module by that name found
modprobe: failed to load module l2cap.o

Do a "modprobe hci_usb" and then check with "dmesg" what happens.

Regards

Marcel

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Thomas Leidenfrost

author

2004-10-07 11:36 UTC #2 lore raw

Hi Marcel,

Quoted 2 lines · Marcel Holtmann

I don't have a MIPS test system, so I can't really help here. Feel free to send me one ;)

I would, but its the only one I have... ;-)
But I think the Problem is not MIPS-specific, the question is where to get the missing modules like l2cap, hci_usb, bluez... Should they be created automaticly after compiling the BlueZ-Libs & -Utils? Support for them is activated in the kernel (as module).

Quoted 1 line

Do a "modprobe hci_usb" and then check with "dmesg" what happens.

# modprobe hci_usb (on target says:)
insmod: hci_usb.o: no module by that name found
modprobe: failed to load module hci_usb

because there is no module on target, searching for it resulted nothing. And I think I just can't take them from the host (x86). Are there any precompiled modules for MIPS?

Thanks & Regards, Tom

Marcel Holtmann

maintainer

2004-10-07 12:41 UTC #3 lore raw

Hi Thomas,

Quoted 4 lines

But I think the Problem is not MIPS-specific, the question is where to get the missing modules like l2cap, hci_usb, bluez... Should they be created automaticly after compiling the BlueZ-Libs & -Utils? Support for them is activated in the kernel (as module).

the kernel modules are part of the Linux kernel you use on your MIPS system. So you need a Linux kernel compiled for MIPS with activated Bluetooth subsystem.

If you find the modules on your filesystem, check what modinfo or file says about them.

Quoted 9 lines

Quoted 1 line
Do a "modprobe hci_usb" and then check with "dmesg" what happens.
# modprobe hci_usb (on target says:)
insmod: hci_usb.o: no module by that name found
modprobe: failed to load module hci_usb
because there is no module on target, searching for it resulted nothing. And I think I just can't take them from the host (x86). Are there any precompiled modules for MIPS?

So what does "find /lib/modules/ | grep bluetooth" say?

Regards

Marcel

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Thomas Leidenfrost

author

2004-10-07 13:10 UTC #4 lore raw

Hi Marcel,

Quoted 3 lines

the kernel modules are part of the Linux kernel you use on your MIPS system. So you need a Linux kernel compiled for MIPS with activated Bluetooth subsystem.

I already had this kernel, but without doing "make modules" I can look for them a long long time... ;-)

Now I created the following modules and loaded them on target via modprobe:
-bluez
-l2cap
-hci_vhci
-hci_uart
-hci_usb

Doing hcitool scan now results: Device is not available: Success So I guess that not all neccessary modules are loaded, right?

Quoted 1 line

Quoted 1 line
Quoted 1 line
Do a "modprobe hci_usb" and then check with "dmesg" what happens.

This results a long output, but nothing with blue* / hci* or something similar to this in it. What should I llok for?

Quoted 1 line

So what does "find /lib/modules/ | grep bluetooth" say?

This results nothing, just the # again.

Thanks for helping again, now it's some steps fewer to the goal! :-)

Regards, Tom

Marcel Holtmann

maintainer

2004-10-07 13:14 UTC #5 lore raw

Hi Thomas,

Quoted 14 lines

Quoted 3 lines
the kernel modules are part of the Linux kernel you use on your MIPS system. So you need a Linux kernel compiled for MIPS with activated Bluetooth subsystem.
I already had this kernel, but without doing "make modules" I can look for them a long long time... ;-)
Now I created the following modules and loaded them on target via modprobe:
(quoted diff) +0 -5
-bluez
-l2cap
-hci_vhci
-hci_uart
-hci_usb

Quoted 2 lines

Doing hcitool scan now results: Device is not available: Success So I guess that not all neccessary modules are loaded, right?

you may also need a USB host controller driver. I don't know which to use for your system. Is it PCI based? If yes, post the output of lspci.

Quoted 3 lines

Quoted 1 line
So what does "find /lib/modules/ | grep bluetooth" say?
This results nothing, just the # again.

This is wrong unless you copied the BlueZ modules somewhere else by hand.

Regards

Marcel

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Thomas Leidenfrost

author

2004-10-07 14:06 UTC #6 lore raw

Hi Marcel, hi Martin,

Quoted 4 lines

Quoted 2 lines
Quoted 1 line
So what does "find /lib/modules/ | grep bluetooth" say?
This results nothing, just the # again.
This is wrong unless you copied the BlueZ modules somewhere else by hand.

Yes, I did. All modules are located in /lib/modules/2.4.21, but there are no other subdirectories like bluetooth or something else.

Now after doing hciconfig hci0 up I am able to ping other devices, but I guess I'll need rfcomm, too. But there is something missing... but what?

# modprobe rfcomm
Using /lib/modules/2.4.21/rfcomm.o
insmod: unresolved symbol putchar
insmod: unresolved symbol obex_dump
insmod: unresolved symbol parser
insmod: unresolved symbol get_proto
insmod: unresolved symbol raw_dump
insmod: unresolved symbol _gp_disp
insmod: unresolved symbol printf
modprobe: failed to load module rfcomm

Trying to figure out whats missing with depmod -a won't help because:

# depmod -a
-sh: depmod: not found

Thx again, Tom

Marcel Holtmann

maintainer

2004-10-07 14:17 UTC #7 lore raw

Hi Thomas,

Quoted 15 lines

Now after doing hciconfig hci0 up I am able to ping other devices, but I guess I'll need rfcomm, too. But there is something missing... but what?
# modprobe rfcomm
Using /lib/modules/2.4.21/rfcomm.o
insmod: unresolved symbol putchar
insmod: unresolved symbol obex_dump
insmod: unresolved symbol parser
insmod: unresolved symbol get_proto
insmod: unresolved symbol raw_dump
insmod: unresolved symbol _gp_disp
insmod: unresolved symbol printf
modprobe: failed to load module rfcomm

Quoted 1 line

Trying to figure out whats missing with depmod -a won't help because:

this rfcomm.o is not a kernel module. It is a compiled object file from the bluez-hcidump package.

Regards

Marcel

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martin f krafft

2004-10-07 14:55 UTC #8 lore raw

also sprach Marcel Holtmann <[email protected]> [2004.10.07.1617 +0200]:

Quoted 2 lines

this rfcomm.o is not a kernel module. It is a compiled object file from the bluez-hcidump package.

It certainly is a kernel module in 2.6.8.1:

/lib/modules/2.6.8-cirrus/kernel/net/bluetooth/rfcomm/rfcomm.ko

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Marcel Holtmann

maintainer

2004-10-07 16:01 UTC #9 lore raw

Hi Martin,

Quoted 6 lines

Quoted 2 lines
this rfcomm.o is not a kernel module. It is a compiled object file from the bluez-hcidump package.
It certainly is a kernel module in 2.6.8.1:
/lib/modules/2.6.8-cirrus/kernel/net/bluetooth/rfcomm/rfcomm.ko

but what Thomas tried to load into the kernel was not a kernel module and I never said that there is no kernel module named rfcomm ;)

Regards

Marcel

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Thomas Leidenfrost

author

2004-10-07 15:10 UTC #10 lore raw

In reply to Marcel Holtmann

Hi Marcel,

Quoted 1 line

Quoted 1 line
Trying to figure out whats missing with depmod -a won't help because:

Now I have depmod installed and I know that my Linux is Debian-based.
And my System is non-PCI-based, but USB is already working (Input-devides). Running depmod -a results:

...
depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: depmod obj_relocate failed
...
depmod: *** Unresolved symbols in /lib/modules/2.4.21/l2ping.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/ppporc.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/rfcomm.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/sdptool.o

I guess that there is someting totally wrong, but how to solve this?

Quoted 2 lines

this rfcomm.o is not a kernel module. It is a compiled object file from the bluez-hcidump package.

What does this mean?

Thx, Tom

Marcel Holtmann

maintainer

2004-10-07 15:10 UTC #11 lore raw

Hi Thomas,

Quoted 16 lines

Now I have depmod installed and I know that my Linux is Debian-based. And my System is non-PCI-based, but USB is already working (Input-devides). Running depmod -a results:
...
depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: depmod obj_relocate failed
...
depmod: *** Unresolved symbols in /lib/modules/2.4.21/l2ping.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/ppporc.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/rfcomm.o
depmod: *** Unresolved symbols in /lib/modules/2.4.21/sdptool.o

Quoted 6 lines

I guess that there is someting totally wrong, but how to solve this?
Quoted 2 lines
this rfcomm.o is not a kernel module. It is a compiled object file from the bluez-hcidump package.
What does this mean?

yes, there is something wrong. You don't understand the difference between a kernel module and a user space program and an object file that is produced when building the previous two.

You need the BlueZ kernel modules and you need a cross-compiled version of bluez-libs and bluez-utils. Try to achieve these two goals first and don't try to mix them.

Regards

Marcel

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martin f krafft

2004-10-07 15:41 UTC #12 lore raw

In reply to Thomas Leidenfrost

also sprach Thomas Leidenfrost <[email protected]> [2004.10.07.1710 +0200]:

Quoted 2 lines

Now I have depmod installed and I know that my Linux is Debian-based.

Good.

Quoted 5 lines

depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: /lib/modules/2.4.21/sdptool.o: Unhandled relocation of type 12 for .text
depmod: depmod obj_relocate failed

What kernel are you using? Is this the Debian kernel, or a vanilla version?

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Thomas Leidenfrost

author

2004-10-08 16:12 UTC #13 lore raw

Hi Martin, hi Marcel,

used kernel is 2.4.21 with specific modifications to my Mips-System.
But you were absolutely right, it was the wrong rfcomm. Now, modprobing rfcomm & bnep is successful! :-)

And guess what, bluetooth is doing fine, too! I thank you very very much again for giving all those good advices, the manufactor of could't do...

Greetz & a nice weekend!

Thomas

Quoted 8 lines · martin f krafft

also sprach Thomas Leidenfrost <[email protected]> [2004.10.07.1710 +0200]:
Quoted 2 lines
Now I have depmod installed and I know that my Linux is Debian-based.
What kernel are you using? Is this the Debian kernel, or a vanilla version?

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martin f krafft

2004-10-07 14:41 UTC #14 lore raw

In reply to Thomas Leidenfrost

also sprach Thomas Leidenfrost <[email protected]> [2004.10.07.1606 +0200]:

Quoted 4 lines

Trying to figure out whats missing with depmod -a won't help because:
# depmod -a
-sh: depmod: not found

man, what kind of system is this?

would you consider trying Debian on MIPS? That just works...

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martin f krafft

2004-10-07 11:42 UTC #15 lore raw

In reply to Marcel Holtmann

also sprach Marcel Holtmann <[email protected]> [2004.10.07.1307 +0200]:

Quoted 1 line

Quoted 1 line
doing # modprobe l2cap.o in /bin results:

modprobe takes the name of a module, not the filename.

modprobe l2cap

should work. Otherwise your kernel is not compiler correctly.

What are you using? Debian?

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Thomas Leidenfrost

author

2004-10-07 12:29 UTC #16 lore raw

Hi Martin,

Quoted 1 line

modprobe takes the name of a module, not the filename.

you're right, that was a little mistake by my own. Now it says this:
(I've absolutely no idea what's going wrong here)

# modprobe l2cap
Using /lib/modules/2.4.21/l2cap.o
insmod: unresolved symbol malloc
insmod: unresolved symbol putchar
insmod: unresolved symbol free
insmod: unresolved symbol perror
insmod: unresolved symbol parser
insmod: unresolved symbol get_proto
insmod: unresolved symbol cmtp_dump
insmod: unresolved symbol sdp_dump
insmod: unresolved symbol avdtp_dump
insmod: unresolved symbol stderr
insmod: unresolved symbol hidp_dump
insmod: unresolved symbol bnep_dump
insmod: unresolved symbol hcrp_dump
insmod: unresolved symbol rfcomm_dump
insmod: unresolved symbol raw_dump
insmod: unresolved symbol _gp_disp
insmod: unresolved symbol printf
insmod: unresolved symbol fwrite
modprobe: failed to load module l2cap

the linux-distribution I am using is a specific from mycable.

Regards, Thomas

Quoted 5 lines · martin f krafft

also sprach Marcel Holtmann <[email protected]> [2004.10.07.1307 +0200]:
Quoted 1 line
Quoted 1 line
doing # modprobe l2cap.o in /bin results:

Quoted 8 lines

modprobe takes the name of a module, not the filename.
modprobe l2cap
should work. Otherwise your kernel is not compiler correctly.
What are you using? Debian?

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Marcel Holtmann

maintainer

2004-10-07 13:11 UTC #17 lore raw

Hi Thomas,

Quoted 18 lines

Quoted 1 line
modprobe takes the name of a module, not the filename.
you're right, that was a little mistake by my own. Now it says this:
(I've absolutely no idea what's going wrong here)
# modprobe l2cap
Using /lib/modules/2.4.21/l2cap.o
insmod: unresolved symbol malloc
insmod: unresolved symbol putchar
insmod: unresolved symbol free
insmod: unresolved symbol perror
insmod: unresolved symbol parser
insmod: unresolved symbol get_proto
insmod: unresolved symbol cmtp_dump
insmod: unresolved symbol sdp_dump
insmod: unresolved symbol avdtp_dump
insmod: unresolved symbol stderr
insmod: unresolved symbol hidp_dump

Quoted 8 lines

insmod: unresolved symbol bnep_dump
insmod: unresolved symbol hcrp_dump
insmod: unresolved symbol rfcomm_dump
insmod: unresolved symbol raw_dump
insmod: unresolved symbol _gp_disp
insmod: unresolved symbol printf
insmod: unresolved symbol fwrite
modprobe: failed to load module l2cap

do you tried to load the l2cap.o from bluez-hcidump into your kernel?

Regards

Marcel

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martin f krafft

2004-10-07 13:20 UTC #18 lore raw

In reply to Thomas Leidenfrost

also sprach Thomas Leidenfrost <[email protected]> [2004.10.07.1429 +0200]:

Quoted 1 line

the linux-distribution I am using is a specific from mycable.

looks like they screwed up. :)

run

depmod -a

then try modprobe again.

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