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Dear all,
I've got openvpn "crosscompiled" for out tricore architecture but I'm
having problems on initiating the /dev/tun0 device.
I'ver read alot of different messages to this issue but found nothing
the would help in my case. Maybe you can help me.
Starting with some general information:
Linux kernelversion 2.4.19
Every action is done as root user.
Using the tun module:
bash-2.05a# modprobe tun
bash-2.05a# dmesg |grep TUN
Universal TUN/TAP device driver 1.5 (C)1999-2002 Maxim Krasnyansky
bash-2.05a# ls -ltr /dev/net/
crw-r----- 1 0 0 10, 200 Jan 1 00:00 tun
ipfconfig/routing
bash-2.05a# route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
10.0.0.0 * 255.255.255.0 U 0 0 0 eth0
default 10.0.0.224 0.0.0.0 UG 0 0 0 eth0
bash-2.05a# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:02:36:30:81:54
inet addr:10.0.0.224 Bcast:10.255.255.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:625 errors:0 dropped:0 overruns:0 frame:0
TX packets:238 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:100
RX bytes:74849 (73.0 kb) TX bytes:31343 (30.6 kb)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
I've done already the looback tests which worked. And can succesfully
exchange my key with our VPN server, but the Interface /dev/tun0 is not
beeing created (init).
He's testing every 256 posibilty (about line 958 in tun.c) to get a
valid fd from
tt->fd = open (tunname, O_RDWR)) > 0)
Another thing is that the option --mktun is not availiable after
compiling for this architecture.
The compilation produces no errors or warnings.
Any helpful Ideas or should I post this on the openvpn-devel list?
------------------- Normal Logoutput --------------------------
Fri May 4 14:30:09 2007 OpenVPN 2.1_rc4 tricore-unknown-none [SSL]
built on May 4 2007
Fri May 4 14:30:09 2007 IMPORTANT: OpenVPN's default port number is now
1194, based on an official port number assignment by IANA. OpenVPN
2.0-beta16 and earlier used 5000 as the default port.
Enter Private Key Password:
Fri May 4 14:30:13 2007 Control Channel MTU parms [ L:1541 D:138 EF:38
EB:0 ET:0 EL:0 ]
Fri May 4 14:30:13 2007 Data Channel MTU parms [ L:1541 D:1450 EF:41
EB:4 ET:0 EL:0 ]
.......
.......
Fri May 4 14:30:19 2007 [vpn.racnet.net] Peer Connection Initiated with
OUR.VPN.SERVER.IP:1194
Fri May 4 14:30:20 2007 SENT CONTROL [vpn.racnet.net]: 'PUSH_REQUEST'
(status=1)
Fri May 4 14:30:20 2007 PUSH: Received control message:
'PUSH_REPLY,route 10.0.0.0 255.255.255.0,.........,ifconfig 172.16.16.18
172.16.16.17'
Fri May 4 14:30:20 2007 OPTIONS IMPORT: timers and/or timeouts modified
Fri May 4 14:30:20 2007 OPTIONS IMPORT: --ifconfig/up options modified
Fri May 4 14:30:20 2007 OPTIONS IMPORT: route options modified
Fri May 4 14:30:20 2007 OPTIONS IMPORT: --ip-win32 and/or --dhcp-option
options modified
*** init_tun_postFri May 4 14:30:20 2007 Cannot allocate TUN/TAP dev
dynamically
Fri May 4 14:30:20 2007 Exiting
-------------------- Details verbose=11-----------------------------
Fri May 4 14:32:36 2007 us=... Tried opening /dev/tun0 (failed): No
such file or directory (errno=2)
...
Fri May 4 14:32:36 2007 us=842527 Tried opening /dev/tun255 (failed):
No such file or directory (errno=2)
Fri May 4 14:32:36 2007 us=842874 Cannot allocate TUN/TAP dev dynamically
Fri May 4 14:32:36 2007 us=843167 Exiting
-----------------------------------------------------------------
Kind regards
Miko
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