Just a non-technical idea:
It took me two nights to find out that SuSE has a
running firewall and every new interface like bnep0 *is*
protected.....
Wood
----- Original Message -----
From: "Nigel Magnay" <[email protected]>
To: "Marcel Holtmann" <[email protected]>;
<[email protected]>
Sent: Sunday, September 26, 2004 10:12 AM
Subject: Re: [Bluez-users] ipaq 1945
> it's 2.6.8.1, built on FC2
>
>
> On Sun, 26 Sep 2004 01:09:18 +0200, Marcel Holtmann <[email protected]>
wrote:
> > Hi Nigel,
> >
> >
> >
> > > I'm having a bit of trouble. I'm using kernel 2.6.8.1, and I'm trying
> > > to get my iPaq 1945 to be able to connect via bluetooth to the
> > > internet, though to start with I'm just trying to get it to connect to
> > > the host computer.
> > >
> > > I think everything is working correctly - I have the stack up and
> > > running, I can get my bnep0 interface up, and assign it an ip address
> > > - e.g. 192.168.1.56. I can then ping that address from linux, and I
> > > can browse it as an internet connection on my ipaq, and connect to it.
> > >
> > > Problem is, neither IE nor Pocket puTTY can use the connection (I try
> > > to ssh to 192.168.1.55, my linux box). I don't know if I'm just
> > > missing something, but I've read all the guides and I'm just confused
> > > as to whether I'm trying something that isn't possible.
> >
> > what kernel version do you use on your Linux machine?
> >
> > Regards
> >
> > Marcel
> >
> >
>
>
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Hi Nigel,
> I have it all woring but unrelatedly my box crashes in the bnep driver
> when the device disconnects... I get this on the console :
>
> Debug: sleeping function called from invalid context ad
> include/asm/semaphore.h:119
> in_atomic():1, irqs_disabled():0
> __night_sleep+
> sysfs_hash_and_remove
> br_sysfs_removeif
> br_del_if
> br_device_event
> notifier_call_chain
> unregister_netdevice+0x170/0x2ac
> unregister_netdev+0x18/0x30
> bnep_session+0x7ab/0x860 [bnep]
> schedule_tail+0x1e/0x70
> ret_from_fork+0x6/0x14
> default_wake_function+0x0/0x20
> bnep_session+0x0/0x860 [bnep]
> kernel_thread_helper+0x5/0x14
>
> I suspect it's a problem with the bnep module rather than anything
> specific to the BlueZ stack..
maybe a problem in the bridge code. Use the latest 2.6.9-rc2-bk14 and
see if this crashes or not.
Regards
Marcel
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It seemed to be something similar:
I think I have it solved - The guide tells you you need to
# brctl addif pan0 eth0
but for me I also need to
# ifconfig eth0 0.0.0.0
# ifconfig pan0 192.168.1.55
# ifconfig pan0 up
It was quite obvious once I realised how bridging must work!
I have it all woring but unrelatedly my box crashes in the bnep driver
when the device disconnects... I get this on the console :
Debug: sleeping function called from invalid context ad
include/asm/semaphore.h:119
in_atomic():1, irqs_disabled():0
__night_sleep+
sysfs_hash_and_remove
br_sysfs_removeif
br_del_if
br_device_event
notifier_call_chain
unregister_netdevice+0x170/0x2ac
unregister_netdev+0x18/0x30
bnep_session+0x7ab/0x860 [bnep]
schedule_tail+0x1e/0x70
ret_from_fork+0x6/0x14
default_wake_function+0x0/0x20
bnep_session+0x0/0x860 [bnep]
kernel_thread_helper+0x5/0x14
I suspect it's a problem with the bnep module rather than anything
specific to the BlueZ stack..
On Tue, 28 Sep 2004 14:19:45 +0100, Peter Stephenson <[email protected]> wrote:
> Nigel Magnay wrote:
> > I had thought I could bridge the interfaces, but I have tried lots of
> > things like
> > brctl addbr br0
> > brctl addif br0 eth0
> > brctl addif br0 bnep0
> >
> > but that just leads to aggravating things like the linux box dropping
> > off the network altogether ..
>
> The particular problem I had when I tried this a while ago now was that
> you need to be careful to use br0 as the interface anywhere you would
> normally use eth0 or bnep0. So for example if you're using DHCP you
> need to run it on br0 to give the IP address to that, or packets won't
> get routed properly (the Ethernet and IP routes aren't consistent). And
> so on.
>
> This may be completely irrelevant and my memory is a bit faded.
>
> pws
>
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Nigel Magnay wrote:
> I had thought I could bridge the interfaces, but I have tried lots of
> things like
> brctl addbr br0
> brctl addif br0 eth0
> brctl addif br0 bnep0
>
> but that just leads to aggravating things like the linux box dropping
> off the network altogether ..
The particular problem I had when I tried this a while ago now was that
you need to be careful to use br0 as the interface anywhere you would
normally use eth0 or bnep0. So for example if you're using DHCP you
need to run it on br0 to give the IP address to that, or packets won't
get routed properly (the Ethernet and IP routes aren't consistent). And
so on.
This may be completely irrelevant and my memory is a bit faded.
pws
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intended solely for the use of the individual or entity to whom they
are addressed. If you have received this email in error please notify
the system manager.
This footnote also confirms that this email message has been swept by
MIMEsweeper for the presence of computer viruses.
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Hi Nigel,
> I got a lot further, I can connect to my server now; I am just left
> with trying to understand why I can't get bridging to work.
>
> I have:
> - router (Internet, DHCP serving 192.168.1.{100-200}) (255.255.255.0)
> - linux box, eth0 = 192.168.1.55 (fixed), bnep0 for bluetooth
> - iPaq connecting to bluetooth
>
> I can talk to the server by making bnep0 192.168.*2*.254 and fixing
> the IP address in the ipaq (or running a dchp server on linux as
> well), but it would be nice to not have to have another dchp server.
>
> I had thought I could bridge the interfaces, but I have tried lots of
> things like
> brctl addbr br0
> brctl addif br0 eth0
> brctl addif br0 bnep0
>
> but that just leads to aggravating things like the linux box dropping
> off the network altogether ..
look at the PAN howto. It has the correct commands to setup a bridge
when you are using Bluetooth BNEP.
Regards
Marcel
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I got a lot further, I can connect to my server now; I am just left
with trying to understand why I can't get bridging to work.
I have:
- router (Internet, DHCP serving 192.168.1.{100-200}) (255.255.255.0)
- linux box, eth0 = 192.168.1.55 (fixed), bnep0 for bluetooth
- iPaq connecting to bluetooth
I can talk to the server by making bnep0 192.168.*2*.254 and fixing
the IP address in the ipaq (or running a dchp server on linux as
well), but it would be nice to not have to have another dchp server.
I had thought I could bridge the interfaces, but I have tried lots of
things like
brctl addbr br0
brctl addif br0 eth0
brctl addif br0 bnep0
but that just leads to aggravating things like the linux box dropping
off the network altogether ..
On Tue, 28 Sep 2004 13:44:01 +0200, Marcel Holtmann <[email protected]> wrote:
> Hi Nigel,
>
> > Hm - don't think its that; I turned off all the firewall options when
> > installing because I am behind a router.
> >
> > It's odd because it all looks like it's working (in that it connects
> > and information seems to flow), just that the ipaq doesn't seem to be
> > able to talk to the linux box
> >
> > Unless I've missed some additional step - I'm not running bridging or
> > anything since I just wanted to try and talk to the host linux box -
> > perhaps I should install those modules and give that a go.
>
> please try some older kernel versions and see if one of them works,
> because the default filter setting has some side effects I haven't
> thought of so far.
>
> Regards
>
> Marcel
>
>
Hi Nigel,
> Hm - don't think its that; I turned off all the firewall options when
> installing because I am behind a router.
>
> It's odd because it all looks like it's working (in that it connects
> and information seems to flow), just that the ipaq doesn't seem to be
> able to talk to the linux box
>
> Unless I've missed some additional step - I'm not running bridging or
> anything since I just wanted to try and talk to the host linux box -
> perhaps I should install those modules and give that a go.
please try some older kernel versions and see if one of them works,
because the default filter setting has some side effects I haven't
thought of so far.
Regards
Marcel
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Hm - don't think its that; I turned off all the firewall options when
installing because I am behind a router.
It's odd because it all looks like it's working (in that it connects
and information seems to flow), just that the ipaq doesn't seem to be
able to talk to the linux box
Unless I've missed some additional step - I'm not running bridging or
anything since I just wanted to try and talk to the host linux box -
perhaps I should install those modules and give that a go.
On Sun, 26 Sep 2004 13:20:22 +0200, Wolfgang <[email protected]> wrote:
> Just a non-technical idea:
>
> It took me two nights to find out that SuSE has a
> running firewall and every new interface like bnep0 *is*
> protected.....
>
> Wood
>
>
>
>
> ----- Original Message -----
> From: "Nigel Magnay" <[email protected]>
> To: "Marcel Holtmann" <[email protected]>;
> <[email protected]>
> Sent: Sunday, September 26, 2004 10:12 AM
> Subject: Re: [Bluez-users] ipaq 1945
>
> > it's 2.6.8.1, built on FC2
> >
> >
> > On Sun, 26 Sep 2004 01:09:18 +0200, Marcel Holtmann <[email protected]>
> wrote:
> > > Hi Nigel,
> > >
> > >
> > >
> > > > I'm having a bit of trouble. I'm using kernel 2.6.8.1, and I'm trying
> > > > to get my iPaq 1945 to be able to connect via bluetooth to the
> > > > internet, though to start with I'm just trying to get it to connect to
> > > > the host computer.
> > > >
> > > > I think everything is working correctly - I have the stack up and
> > > > running, I can get my bnep0 interface up, and assign it an ip address
> > > > - e.g. 192.168.1.56. I can then ping that address from linux, and I
> > > > can browse it as an internet connection on my ipaq, and connect to it.
> > > >
> > > > Problem is, neither IE nor Pocket puTTY can use the connection (I try
> > > > to ssh to 192.168.1.55, my linux box). I don't know if I'm just
> > > > missing something, but I've read all the guides and I'm just confused
> > > > as to whether I'm trying something that isn't possible.
> > >
> > > what kernel version do you use on your Linux machine?
> > >
> > > Regards
> > >
> > > Marcel
> > >
> > >
> >
> >
> > -------------------------------------------------------
> > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170
> > Project Admins to receive an Apple iPod Mini FREE for your judgement on
> > who ports your project to Linux PPC the best. Sponsored by IBM.
> > Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php
> > _______________________________________________
> > Bluez-users mailing list
> > [email protected]
> > https://lists.sourceforge.net/lists/listinfo/bluez-users
> >
>
>
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Hi,
> > Debug: sleeping function called from invalid context ad
> > include/asm/semaphore.h:119
> > in_atomic():1, irqs_disabled():0
> > __night_sleep+
> > sysfs_hash_and_remove
> > br_sysfs_removeif
> > br_del_if
> > br_device_event
> > notifier_call_chain
> > unregister_netdevice+0x170/0x2ac
> > unregister_netdev+0x18/0x30
> > bnep_session+0x7ab/0x860 [bnep]
> > schedule_tail+0x1e/0x70
> > ret_from_fork+0x6/0x14
> > default_wake_function+0x0/0x20
> > bnep_session+0x0/0x860 [bnep]
> > kernel_thread_helper+0x5/0x14
> >
> > I suspect it's a problem with the bnep module rather than anything
> > specific to the BlueZ stack..
>
> I have exactly the same problem and displays exactly the
> above Debug messages:
>
> 1. My Linux Server hosting BlueZ NAP crashes with blank console
> and frozen keyboard when a client BlueZ disconnects, reboots,
> or becomes out-of-range. This happens for clients with Linux or
> with Windows XP Pro. My server config is similar, namely:
>
> a. bridge-router-firewall-bluez.
> b. Linux 2.6.8.1-mm4-mh1 or
> c. Linux 2.6.8.1-mm4-mh2 or
> d. Linux 2.6.8.1-mh1 or
> e. Linux 2.6.8.1-mh2 or
> f. Linux 2.6.5 combo
>
> Incidentally, this setup works very well other than this
> problem. I started running this setup 3 weeks ago with
> only this problem. My users can surf the net, use email,
> etc, with no other problem.
>
> I tried using a Linux Server with nobridge-router-nofirewall-bluez
> and this problem of crashes disappears. But network admin is
> a bit more tedious without bridging.
>
>
>
>
>
>
>
>
>
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Nigel Magnay wrote:
>
> Debug: sleeping function called from invalid context ad
> include/asm/semaphore.h:119
> in_atomic():1, irqs_disabled():0
> __night_sleep+
> sysfs_hash_and_remove
> br_sysfs_removeif
> br_del_if
> br_device_event
> notifier_call_chain
> unregister_netdevice+0x170/0x2ac
> unregister_netdev+0x18/0x30
> bnep_session+0x7ab/0x860 [bnep]
> schedule_tail+0x1e/0x70
> ret_from_fork+0x6/0x14
> default_wake_function+0x0/0x20
> bnep_session+0x0/0x860 [bnep]
> kernel_thread_helper+0x5/0x14
>
> I suspect it's a problem with the bnep module rather than anything
> specific to the BlueZ stack..
I have exactly the same problem and displays exactly the
above Debug messages:
1. My Linux Server hosting BlueZ NAP crashes with blank console
and frozen keyboard when a client BlueZ disconnects, reboots,
or becomes out-of-range. This happens for clients with Linux or
with Windows XP Pro. My server config is similar, namely:
a. bridge-router-firewall-bluez.
b. Linux 2.6.8.1-mm4-mh1 or
c. Linux 2.6.8.1-mm4-mh2 or
d. Linux 2.6.8.1-mh1 or
e. Linux 2.6.8.1-mh2 or
f. Linux 2.6.5 combo
Incidentally, this setup works very well other than this
problem. I started running this setup 3 weeks ago with
only this problem. My users can surf the net, use email,
etc, with no other problem.
I tried using a Linux Server with nobridge-router-nofirewall-bluez
and this problem of crashes disappears. But network admin is
a bit more tedious without bridging.
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