2004-05-16 02:27:13

by Steven Yap

Subject: [Bluez-users] /dev/rfcommX device not created in time

Hi,

I'm using Debian unstable with kernel 2.6.5, udev 0.024, bluez-pan
1.1rel-3 and I'm observing a timing problem with udev and the rfcommX
device.

I'm trying to network my Palm Tungsten T3 with my computer but pppd
never gets call. When I click on the Network Services' "Connect" button
on the T3, I see from the log that dund complains about the failure to
create /dev/rfcommX device:

May 15 18:12:34 obsolescence hcid[2886]: link_key_request
(sba=00:02:72:B1:45:02, dba=00:07:E0:2E:28:9C)
May 15 18:12:35 obsolescence dund[7424]: RFCOMM TTY creation failed. No
such file or directory(2)
May 15 18:12:36 obsolescence udev[7431]: creating device node
'/dev/rfcomm0'
May 15 18:13:07 obsolescence udev[7442]: removing device node
'/dev/rfcomm0'

However, udev does create the /dev/rfcomm0, just not fast enough
apparently. In a little experiment, as soon as I see the line:

udev[7431]: creating device node '/dev/rfcomm0'

I run "sudo pppd /dev/rfcomm0 call btpalm" and this allows the T3
to grab an IP address and setup IP networking between the T3 and my
computer. From that point on, I can surf the Web from the T3 without
any problems.

Are there other Bluez users out there who are using udev who has
managed to workaround/fix this problem?

Thanks.


--
Steven Yap <[email protected]>



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2004-05-16 12:00:20

by Marcel Holtmann

Subject: Re: [Bluez-users] /dev/rfcommX device not created in time

Hi Steven,

> I'm using Debian unstable with kernel 2.6.5, udev 0.024, bluez-pan
> 1.1rel-3 and I'm observing a timing problem with udev and the rfcommX
> device.
>
> I'm trying to network my Palm Tungsten T3 with my computer but pppd
> never gets call. When I click on the Network Services' "Connect" button
> on the T3, I see from the log that dund complains about the failure to
> create /dev/rfcommX device:
>
> May 15 18:12:34 obsolescence hcid[2886]: link_key_request
> (sba=00:02:72:B1:45:02, dba=00:07:E0:2E:28:9C)
> May 15 18:12:35 obsolescence dund[7424]: RFCOMM TTY creation failed. No
> such file or directory(2)
> May 15 18:12:36 obsolescence udev[7431]: creating device node
> '/dev/rfcomm0'
> May 15 18:13:07 obsolescence udev[7442]: removing device node
> '/dev/rfcomm0'
>
> However, udev does create the /dev/rfcomm0, just not fast enough
> apparently. In a little experiment, as soon as I see the line:
>
> udev[7431]: creating device node '/dev/rfcomm0'
>
> I run "sudo pppd /dev/rfcomm0 call btpalm" and this allows the T3
> to grab an IP address and setup IP networking between the T3 and my
> computer. From that point on, I can surf the Web from the T3 without
> any problems.
>
> Are there other Bluez users out there who are using udev who has
> managed to workaround/fix this problem?

the bluez-utils-2.7 contains the pand and the dund and I already fixed
that problem there.

Regards

Marcel




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