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Error inserting nf_conntrack for kernel 2.6.23-gentoo-r3
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pumazi
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Joined: 05 Jan 2005
Posts: 29
Location: PA, USA

PostPosted: Sun Dec 16, 2007 5:54 pm    Post subject: Error inserting nf_conntrack for kernel 2.6.23-gentoo-r3 Reply with quote

I'm attempting to use the netfilter connection tracking as a module as depicted in the following confilg file:
Code:
localhost ~ # grep CONNTRACK /usr/src/linux/.config
CONFIG_NF_CONNTRACK_ENABLED=m
CONFIG_NF_CONNTRACK=m
CONFIG_NF_CONNTRACK_MARK=y
CONFIG_NF_CONNTRACK_EVENTS=y
# CONFIG_NF_CONNTRACK_AMANDA is not set
# CONFIG_NF_CONNTRACK_FTP is not set
# CONFIG_NF_CONNTRACK_H323 is not set
# CONFIG_NF_CONNTRACK_IRC is not set
# CONFIG_NF_CONNTRACK_NETBIOS_NS is not set
# CONFIG_NF_CONNTRACK_PPTP is not set
# CONFIG_NF_CONNTRACK_SANE is not set
# CONFIG_NF_CONNTRACK_SIP is not set
# CONFIG_NF_CONNTRACK_TFTP is not set
CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
CONFIG_NF_CONNTRACK_IPV4=m
CONFIG_NF_CONNTRACK_PROC_COMPAT=y
CONFIG_NF_CONNTRACK_IPV6=m

The Error is as follows:
Code:
localhost linux # modprobe nf_conntrack       
FATAL: Error inserting nf_conntrack (/lib/modules/2.6.23-gentoo-r3/kernel/net/netfilter/nf_conntrack.ko): Unknown symbol in module, or unknown parameter (see dmesg)
localhost linux # dmesg | grep nf_conntrack
nf_conntrack: Unknown symbol nf_conntrack_destroy
nf_conntrack: Unknown symbol nf_ct_destroy
nf_conntrack: Unknown symbol ip_ct_attach

Summary: I'm attempting to install net-misc/libnfnetlink and net-misc/libnfnetlink_queue which require the nf_conntrack component to compile. I am unsure what unknown symbols are, or else I might have a better understanding of where to look for answers. It would be appreciated if someone could give a simple answer (not likely i'm sure) and a definition of what unknown symbols are and how they play a role in this error. Thank you.
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pumazi ( Information Science major @ rmu.edu )
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pumazi
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Joined: 05 Jan 2005
Posts: 29
Location: PA, USA

PostPosted: Sun Dec 16, 2007 6:25 pm    Post subject: Reply with quote

Conclusion: Figured this one out on my own, I missed a step in the kernel compilation process of installing the new kernel with minor new symbols or what I believe symbols to be. I'm still not sure what symbols are so if someone could give me a brief definition, that would be great. Thanks.
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