On Sun, Aug 07, 2005 at 07:09:55PM +0200, Harald Welte wrote:
> hi!
>
> could you please revert my patch adding the check, and rather apply the
> following patch?
>
> This way we should find out where/when/how this "impossible"
> configuration happens? I really need to understand what's going on, and
> I cannot reproduce the bug here.
I too could not reproduce this on a spare box, only on production
gateway :(
Here are the traces.
untracked connection in nat_packet
Call Trace: <IRQ> <ffffffff8804f1de>{:iptable_nat:nat_packet+78}
<ffffffff8804e1a0>{:iptable_nat:ip_nat_fn+416}
<ffffffff8804e1ee>{:iptable_nat:ip_nat_in+46}
<ffffffff80354b3e>{nf_iterate+94} <ffffffff80372350>{ip_rcv_finish+0}
<ffffffff80354ebd>{nf_hook_slow+125} <ffffffff80372350>{ip_rcv_finish+0}
<ffffffff80371e79>{ip_rcv+617} <ffffffff803bc970>{packet_rcv_spkt+608}
<ffffffff80348f5e>{netif_receive_skb+478}
<ffffffff802bd7dc>{tg3_vlan_rx+364}
<ffffffff802bdb5f>{tg3_rx+879} <ffffffff802bdd09>{tg3_poll+169}
<ffffffff8034917b>{net_rx_action+171}
<ffffffff80139ff1>{__do_softirq+113}
<ffffffff8010ec93>{call_softirq+31} <ffffffff801109d5>{do_softirq+53}
<ffffffff8011098f>{do_IRQ+79} <ffffffff8010e13c>{ret_from_intr+0}
<EOI> <ffffffff803c6f50>{thread_return+0}
<ffffffff803c6fa6>{thread_return+86}
<ffffffff8010bac4>{default_idle+36} <ffffffff8010bcef>{cpu_idle+79}
untracked connection in icmp_reply_translation
Call Trace: <IRQ> <ffffffff8804f2a5>{:iptable_nat:icmp_reply_translation+85}
<ffffffff803ab76f>{ipt_do_table+831}
<ffffffff8804e129>{:iptable_nat:ip_nat_fn+297}
<ffffffff8804e3a3>{:iptable_nat:ip_nat_local_fn+83}
<ffffffff80354b3e>{nf_iterate+94} <ffffffff80377670>{dst_output+0}
<ffffffff80354ebd>{nf_hook_slow+125} <ffffffff80377670>{dst_output+0}
<ffffffff8037711f>{ip_push_pending_frames+911}
<ffffffff8039678c>{icmp_send+1020}
<ffffffff80373964>{ip_forward+612} <ffffffff803720b3>{ip_rcv+1187}
<ffffffff803bc970>{packet_rcv_spkt+608}
<ffffffff80348f5e>{netif_receive_skb+478}
<ffffffff802bd7dc>{tg3_vlan_rx+364} <ffffffff802bdb5f>{tg3_rx+879}
<ffffffff802bdd09>{tg3_poll+169} <ffffffff8034917b>{net_rx_action+171}
<ffffffff80139ff1>{__do_softirq+113} <ffffffff8010ec93>{call_softirq+31}
<ffffffff801109d5>{do_softirq+53} <ffffffff8011098f>{do_IRQ+79}
<ffffffff8010e13c>{ret_from_intr+0} <EOI>
<ffffffff803c6f50>{thread_return+0}
<ffffffff803c6fa6>{thread_return+86} <ffffffff8010bac4>{default_idle+36}
<ffffffff8010bcef>{cpu_idle+79}
untracked connection in icmp_reply_translation
Call Trace: <IRQ> <ffffffff8804f2a5>{:iptable_nat:icmp_reply_translation+85}
<ffffffff803ab76f>{ipt_do_table+831}
<ffffffff8804e129>{:iptable_nat:ip_nat_fn+297}
<ffffffff80354b3e>{nf_iterate+94} <ffffffff803776a0>{ip_finish_output2+0}
<ffffffff80354ebd>{nf_hook_slow+125}
<ffffffff803776a0>{ip_finish_output2+0}
<ffffffff80374d6d>{ip_finish_output+93}
<ffffffff80377136>{ip_push_pending_frames+934}
<ffffffff8039678c>{icmp_send+1020} <ffffffff80373964>{ip_forward+612}
<ffffffff803720b3>{ip_rcv+1187} <ffffffff803bc970>{packet_rcv_spkt+608}
<ffffffff80348f5e>{netif_receive_skb+478}
<ffffffff802bd7dc>{tg3_vlan_rx+364}
<ffffffff802bdb5f>{tg3_rx+879} <ffffffff802bdd09>{tg3_poll+169}
<ffffffff8034917b>{net_rx_action+171}
<ffffffff80139ff1>{__do_softirq+113}
<ffffffff8010ec93>{call_softirq+31} <ffffffff801109d5>{do_softirq+53}
<ffffffff8011098f>{do_IRQ+79} <ffffffff8010e13c>{ret_from_intr+0}
<EOI> <ffffffff803c6f50>{thread_return+0}
<ffffffff803c6fa6>{thread_return+86}
<ffffffff8010bac4>{default_idle+36} <ffffffff8010bcef>{cpu_idle+79}
~
:wq
With best regards,
Vladimir Savkin.
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