Soekris net4501 - repetitive reboots

[Saad Kadhi <saad@docisland.org>]

hi there,

I have a Soekris net4501 as my main home firewall. it runs openbsd
3.4-stable. besides the three onboard nics, it has also a wireless
mini-pci card (from netgate) and a vpn1401 crypto pci card [1]. the
kernel has been tweaked using the std NET4501 file bundled with
flashdist.

it has been running like a charm for more than a month until I moved a
server to the DMZ yesterday. I then started experiencing repetitive
reboots. what apparently cause this is an scp operation initiated from
an internal server to the server on the dmz. it involves a 1GB+ file.
the first time the scp operation is executed, the soekris freezes (no
answer even from console) and reboots. before reboot, scp tops at
1.1MBps on a Fast Ethernet connection (DMZ and LAN are both Fast
Ethernet). scp doesn't have time to die when the soekris comes back to
life again. and the same symptoms happen again. at the moment I
interrupt scp, the soekris starts working fine again.

my crystal ball(tm) tells me the problem might be on the interrupts
side. but since I don't have a ddb trace and before digging further, I'd
like to know if other users have experienced similar problems and what
they did to solve them.

TIA.

--
[1] AFAICS, supported in -current and not in -release/-stable.
-- 
Saad Kadhi -- [saad@docisland.org] [saad.kadhi@hapsis.fr]
[gpg keyid: 19C6C735 http://pgp.mit.edu]
[gpg fingerprint: E3A2 D64B 78EC 1E9D 5EB5  14AA F52F 473F 19C6 C735]
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