Re: Kernel panic with load balancing

Linux Advanced Routing and Traffic Control

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Hi there,

I solved the problem by switching back to a 2.4 kernel. Don't know
what's wrong with 2.6.

Greets,

Edu


On 3/8/06, Eduardo Fernández <efgonzalez@xxxxxxxxx> wrote:
> Hi!
>
> I've 5 DSL routers and a linux router in a switch. The linux router is
> doing NAT for a LAN network, but it freezes when I set up load
> balancing with this command:
>
> ip route add default proto static\
>         nexthop via 192.168.1.10 dev eth1\
>         nexthop via 192.168.1.20 dev eth1\
>         nexthop via 192.168.1.30 dev eth1\
>         nexthop via 192.168.1.40 dev eth1\
>         nexthop via 192.168.1.50 dev eth1
>
> 192.168.1.{10,20,30,40,50} are the DSL routers' IPs. Linux router's
> kernel is 2.6.15.6 patched with Julian Anastasov's patches
> (http://www.ssi.bg/~ja/#routes). I've also tried with other kernel
> versions. Kernel panic follows:
>
> CPU: 0
> EIP: 0060:[<00000000>] Not tainted VLI
> EFLAGS: 00010202       (2.6.15.6)
> EIP is at _stext+0x3feffde0/0x1e
> eax: d7cd4b00     ebx: c0379280    ecx: 000018ff    edx: c0379280
> esi:  00000000     edi:  00000001   ebp:  003b6007 esp: c0341f5c
> ds: 007b   es: 007b  ss: 0068
> Process swapper (pid: 0, threadinfo=c0340000 task=c02ebb00)
> Stack:
> c011fb0e d7cd4b00 00000000 c03776e8 0000000a c011fcee c0379280 c03792bc
> c0379280 c02f174c c03792b8 c0379240 c0116d7f  00000000 00000001 c0116b6c
> c03776e8 00000046 0009f300 c0334800 c0116bd7 0002080b c0104296 c0102e6a
> Call trace:
> [<c011fb0e>] rcu_do_batch+0x1a/0x59
> [<c011fcee>] rcu_process_callbacks+0x28/0x2c
> [<c0116d7f>] tasklet_action+0x3a/0x59
> [<c0116b6c>] __do_softirq+0x34/0x7d
> [<c0116bd7>] do_softirq+0x22/0x26
> [<c0104296>] do_IRQ+0x1e/0x24
> [<c0102e6a>] common_interrupt+0x1a/0x20
> [<c0100a77>] default_idl´+0x2b/0x53
> [<c0100af3>] cpu_idle+0x40/0x5c
> [<c0342691>] start_kernel+0x13e/0x140
> Code: Bad EIP value.
> <0> Kernel panic - not syncing:Fatal exception in interrupt
>
> Any ideas? Thank you very much!
>
> Edu
>
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