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Subject: Re: [Bluez-users] option "--activesync" and "--msdun"
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Fri, 23 Dec 2005 16:14:40 +0100

Hi,

> Can option "--activesync" and "--msdun" in "dund"  work  in  kernel
> 2.4.18  which has
> patched patch-2.4.18-mh15.gz ?

it should work, but this kernel is very old and might contain bugs. I am
not supporting this kernel anymore.

> I run the command on my arm linux:
> 
> "dund --listen --msdun -a -n call dun"
> 
> then I used a ms smartphone to conncet to my usb adaptor.
> I got the following outputs:
> 
> dund[60]: Bluetooth DUN daemon version 2.21
> dund[65]: New connection from 00:09:2D:12:FE:86
> using channel 1
> Using interface ppp0
> Connect: ppp0 <--> /dev/bluetooth/rfcomm/0
> sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xd791249e> <pcomp> <accomp>]
> rcvd [LCP ConfReq id=0x0 <asyncmap 0x0> <pcomp> <accomp>]
> sent [LCP ConfAck id=0x0 <asyncmap 0x0> <pcomp> <accomp>]
> sent [LCP ConfReq id=0x1 <asyncmap 0x0> <magic 0xd791249e> <pcomp> <accomp>]
> rcvd [LCP ConfAck id=0x1 <asyncmap 0x0> <magic 0xd791249e> <pcomp> <accomp>]
> sent [IPCP ConfReq id=0x1 <addr 192.168.55.100> <compress VJ 0f 01>]
> rcvd [CCP ConfReq id=0x0 < 12 06 00 00 00 01>]
> sent [CCP ConfReq id=0x1]
> sent [CCP ConfRej id=0x0 < 12 06 00 00 00 01>]
> rcvd [IPCP ConfReq id=0x0 <compress VUnable to handle kernel NULL
> pointer dereference at virtual address 00000000
> pgd = c0004000
> *pgd = 00000000, *pmd = 00000000
> Internal error: Oops: ffffffff
> CPU: 0
> pc : [<c00274b8>]    lr : [<c00275c0>]    Not tainted
> sp : c03cfcc8  ip : 00000001  fp : c03cfce8
> r10: 00000020  r9 : 80000093  r8 : c3dabd6c
> r7 : c03fe0a0  r6 : 00001000  r5 : 00000004  r4 : 00000004
> r3 : 00000000  r2 : c3dabd6c  r1 : 000001f1  r0 : 000001f1
> Flags: nzCv  IRQs off  FIQs on  Mode SVC_32  Segment kernel
> Control: C000317F  Table: 33B44000  DAC: 0000001D
> Process krfcommd (pid: 9, stackpage=c03cf000)

I can't tell you if this is an RFCOMM problem or if it is a PPP problem.
Try to reproduce it with a decent 2.6 kernel.

Regards

Marcel




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