Re: iptables -> can't initialize iptables table `filter': Bad file descriptor

["Salatiel Filho" <salatiel.filho@gmail.com>]

On 12/4/07, Patrick McHardy <kaber@trash.net> wrote:
> Salatiel Filho wrote:
> > ~# iptables -L
> > iptables v1.3.8: can't initialize iptables table `filter': Invalid argument
> > Perhaps iptables or your kernel needs to be upgraded.
> >
> > # dmesg
> > ip_tables: (C) 2000-2002 Netfilter core team
> > translate_table: size 632
> > Finished chain 1
> > Finished chain 2
> > Finished chain 3
> > table->private->number = 4
> > get_entries: 668 != 672
>
> This looks like an alignment problem. Old kernels required
> alignof(struct ipt_entry), which should be 4. Userspace
> compiled against current headers use:
>
> struct _xt_align
> {
>          u_int8_t u8;
>          u_int16_t u16;
>          u_int32_t u32;
>          u_int64_t u64;
> };
>
> #define XT_ALIGN(s) (((s) + (__alignof__(struct _xt_align)-1))  \
>
>                          & ~(__alignof__(struct _xt_align)-1))
>
> which I guess is 8 on ARM. Does removing the u_int64_t
> from the struct above in the iptables source
> (include/linux/netfilter/x_tables.h) help?
>
>

I can not find include/linux/netfilter/x_tables.h in iptables source.

# ls -1 include/linux/netfilter/
nf_conntrack_common.h
nf_conntrack_tuple_common.h
nf_conntrack_tuple.h
nf_nat.h



-- 
[]'s
Salatiel

"O maior prazer do inteligente é bancar o  idiota
   diante de um  idiota que banca o inteligente".
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