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From: "Shawn Guillemette" <shawn@guillemette.org>
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Date: Thu, 4 May 2006 08:52:07 -0400
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Subject: Kernel Panic when using mpd VPN Tunnel
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Hello all, 

 

 

            I have a Digital AlphaPC 164LX 533 MHz, running FreeBSD
4.11-RELEASE 

I have installed /usr/ports/net/mpd and attempted to make a vpn connection
and after authenticating it seems to bring the machine to a panic with the
following info in the messages file. 

 

May  3 17:20:35 medusa /kernel:

May  3 17:20:35 medusa /kernel: fatal kernel trap:

May  3 17:20:35 medusa /kernel:

May  3 17:20:35 medusa /kernel: trap entry = 0x4 (unaligned access fault)

May  3 17:20:35 medusa /kernel: a0         = 0xfffffe00005cb5ce

May  3 17:20:35 medusa /kernel: a1         = 0x28

May  3 17:20:35 medusa /kernel: a2         = 0x1

May  3 17:20:35 medusa /kernel: pc         = 0xfffffc00004da0a0

May  3 17:20:35 medusa /kernel: ra         = 0xfffffc00004dabec

May  3 17:20:35 medusa /kernel: curproc    = 0xfffffe00098d6300

May  3 17:20:35 medusa /kernel: pid = 189, comm = mpd

May  3 17:20:35 medusa /kernel:

May  3 17:20:35 medusa /kernel: panic: trap

May  3 17:20:35 medusa /kernel:

 

 

Now the how to I was following asked that I make sure that the kernel is
compiled with the following device option. 

 

device          tun             # Packet tunnel.

 

This line was in the kernel config but was listed as follows 

 

pseudo-device   tun             # Packet tunnel.

 

 

I have tried using both versions and have seen the same kernel panic each
time. 

 

 

 

Any one have any tips for me?