Breezy/linux-image-2.6.12-8-686/Cisco VPN kernel panic

[Norman Walsh]

I've switched my Thinkpad T42p to Ubuntu Breezy. Mostly, it was smooth
sailing. There's an annoyance here and there, but the only critical
problem is that Cisco's VPN client causes a kernel panic periodically.
(I'm 99.4% sure the problem is in the VPN module and periodically
means every few hours in this case.)

I've tried both

   vpnclient-linux-4.6.02.0030-k9.tar.gz

and

   vpnclient-linux-x86_64-4.6.03.0190-k9.tar.gz

with similar results. I haven't found any others. Usually it just
locks the machine solid, but I did manage to catch the panic once in
syslog (attached).

Anyone else experienced this? Anyone got a suggested workaround?

I had been running Woody before, with my own custom 2.6.11.3 kernel
without any problems. I might try to rebuild that kernel, but if I can
work around the bug some other way, I'd be happier.

BTW, the open source VPN client isn't an option because I need to use
certificates which according to the TODO are not yet supported.

Advice and suggestions most welcome.

                                        Be seeing you,
                                          norm

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-- 
Norman Walsh <ndw at nwalsh.com> | The price one pays for pursuing any
http://nwalsh.com/            | profession or calling is an intimate
                              | knowledge of its ugly side.--James
                              | Baldwin
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