[Openswan Users] kernel 2.4.26 + Openswan 2.1.4 + net-snmp-5.1 = Kernel Oops

MarekGreško gresko at thr.sk
Fri Jul 30 10:02:28 CEST 2004


> Nate Carlson wrote:
> > On Thu, 29 Jul 2004, Martin Bene wrote:
> >>Problem: snmp daemon triggers a kernel oops when ipsec is configured on
> >>the box.
> >
> > Just curious, are you on Debian or another distro?
>
> Other, I'm running gentoo. However, to keep conditions reasonably
> simple, I've used a plain kernel.org 2.4.26 kernel + openswan from
> tar.gz. BTW, strongswan triggers the same problem, haven't tried plain
> freeswan. As stated in previous mail, older superfreeswan 1.99.8 doesn't
>   have the problem.
>
> > I just opened a bug for this yesterday; if you could add your info to it,
> > it'd be great:
> >
> > http://bugs.xelerance.com/bug_view_page.php?bug_id=0000144
>
> I'll add my information to the bug.
>
> Not sure if it's really the same issue though:
>
> you write "box to become very unresponsive to network traffic".
>
> In my case:
>   * kernel oops triggerd by snmpwalk when starting to access interface
> information
>   * snmp daemon hangs afterwards, ifconfig hangs etc.
>
> Just loading the ipsec module isn't enough, ipsec must be started /
> configured to trigger the problem.
>
> Not at the box right now, I'll attach the decoded kernel oops in a few
> hours.
>
> Have you checked your system logs to see if you got a kernel oops as well?

If I remember well, this problem was introduced in freeswan 2.05. Everything 
works after oops except of the snmpd. I was also not able to kill it.

Marek
-- 
Marek Greško
THR Systems, a. s.


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