netfilter buglog - May 2006 - [Bug 478] New: Kernel panic - not syncing: Aiee, killing interrupt handler!

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=478

           Summary: Kernel panic - not syncing: Aiee, killing interrupt
                    handler!
           Product: iptables
           Version: 1.3.5
          Platform: x86_64
        OS/Version: Fedora
            Status: NEW
          Severity: blocker
          Priority: P2
         Component: iptables
        AssignedTo: laforge@netfilter.org
        ReportedBy: theprisonerofzenda@gmail.com


hello, i'm running a xen enabled guest kernel and having APF as a firewall 
handler for me and i have about 1200 iptables rules, most are drops, i have my 
guest kernel fails about 2 times a day with this message, i contacted the xen 
devs. but i think they believe it's an iptables related issue, i'm
running FC4
and have upgrade from iptables v1.3 to v1.3.5 latest and the kernel is 
2.6.16.13, thanks and here's the kernel error...









Unable to handle kernel paging request at ffffc200001104ab RIP:
<ffffffff8801c732>{:ip_tables:ipt_do_table+197}
PGD 393067 PUD 392067 PMD 3fabb067 PTE 0
Oops: 0000 [1] SMP
CPU 0
Modules linked in: ipt_owner ipt_multiport xt_state ip_conntrack nfnetlink 
xt_limit xt_tcpudp iptable_mangle ipt_REJECT ipt_LOG iptable_filter ip_tables 
x_tables autofs4 loop dm_mod
Pid: 0, comm: swapper Not tainted 2.6.16.13-xenU #3
RIP: e030:[<ffffffff8801c732>]
<ffffffff8801c732>{:ip_tables:ipt_do_table+197}
RSP: e02b:ffffffff803154c8  EFLAGS: 00010216
RAX: 0000000000001758 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff88020814
RBP: ffffc20000110458 R08: ffffffff88020814 R09: 0000000000000000
R10: ffffffff880339be R11: ffffffff880339be R12: ffff88003fa00000
R13: ffffc20000110000 R14: ffff880031854030 R15: ffffc20000111758
FS:  00002b8dddb91ce0(0000) GS:ffffffff80357000(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process swapper (pid: 0, threadinfo ffffffff80364000, task ffffffff802bd6a0)
Stack: ffffffff8803b560 0000000000000000 0000000000000000 ffff88003fa00000
       000000010e01bed0 ffffffff80315620 ffffffff88020814 0000000000000000
       ffff88003fa00000 ffffffff8801ebc0
Call Trace: <IRQ> <ffffffff8023ccd7>{nf_iterate+63}
       <ffffffff880339be>{:ip_conntrack:tcp_pkt_to_tuple+0}
       <ffffffff8024218b>{ip_local_deliver_finish+0}
<ffffffff8023cdfd>
{nf_hook_slow+90}
       <ffffffff8024218b>{ip_local_deliver_finish+0}
<ffffffff802423ce>
{ip_local_deliver+103}
       <ffffffff880339be>{:ip_conntrack:tcp_pkt_to_tuple+0}
       <ffffffff80242a6e>{ip_rcv+1206}
<ffffffff8020e8f8>{netif_poll+1661}
       <ffffffff80229f4f>{net_rx_action+183} <ffffffff8012b68d>
{__do_softirq+123}
       <ffffffff8010b992>{call_softirq+30}
<ffffffff8010d02b>{do_softirq+75}
       <ffffffff8010d28e>{do_IRQ+67}
<ffffffff8020472d>{evtchn_do_upcall+132}
       <ffffffff8010b4c2>{do_hypervisor_callback+30} <EOI>
       <ffffffff801073aa>{hypercall_page+938} <ffffffff801073aa>
{hypercall_page+938}
       <ffffffff801093bf>{xen_idle+134}
<ffffffff8010943b>{cpu_idle+80}
       <ffffffff803676ab>{start_kernel+478}
<ffffffff803670cc>{_sinittext+204}

Code: 40 8a 7d 53 8b 45 08 41 23 46 0c 3b 45 00 40 0f b6 cf 89 c8
RIP <ffffffff8801c732>{:ip_tables:ipt_do_table+197} RSP
<ffffffff803154c8>
CR2: ffffc200001104ab
 <0>Kernel panic - not syncing: Aiee, killing interrupt handler!

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