[gentoo-user] NAT alternatives (nf_conntrack kernel panics)

[gentoo-user] NAT alternatives (nf_conntrack kernel panics)

[Grant]

My Gentoo router kernel panics with an skb_over_panic message when
Netfilter connection tracking (nf_conntrack) is built into the kernel
or built as a module and I start net.ath0 (madwifi-ng) in master mode.
 I've tried hardened-2.6.23, hardened-2.6.24, madwifi-0.9.3.3, and
madwifi-0.9.4.

nf_conntrack seems to be required in order for NAT to work, so I've
been looking for alternatives.  I found mention of "Fast NAT" and
"nf_nat", both of which are supposed to be alternatives to
nf_conntrack, but maybe they are no longer existent because I can not
Google specifics on either and I can't find them in the kernel.

I've put 16 or so hours into this so far so I'll head to Staples for a
temporary Linksys soon.  I sure would like to have Gentoo routing
though.  Please let me know if you have any ideas.

- Grant
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[gentoo-user] Re: NAT alternatives (nf_conntrack kernel panics)

[Grant]

> My Gentoo router kernel panics with an skb_over_panic message when
>  Netfilter connection tracking (nf_conntrack) is built into the kernel
>  or built as a module and I start net.ath0 (madwifi-ng) in master mode.
>   I've tried hardened-2.6.23, hardened-2.6.24, madwifi-0.9.3.3, and
>  madwifi-0.9.4.
>
>  nf_conntrack seems to be required in order for NAT to work, so I've
>  been looking for alternatives.  I found mention of "Fast NAT" and
>  "nf_nat", both of which are supposed to be alternatives to
>  nf_conntrack, but maybe they are no longer existent because I can not
>  Google specifics on either and I can't find them in the kernel.
>
>  I've put 16 or so hours into this so far so I'll head to Staples for a
>  temporary Linksys soon.  I sure would like to have Gentoo routing
>  though.  Please let me know if you have any ideas.
>
>  - Grant

FIXED!  I changed preemption support to voluntary and changed the CPU
settings in the kernel config to match my Sempron now that my X2 is
dead.  One or both of those fixed it.

- Grant
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