Re: [Xen-devel] Creating a domU on x86 crashes dom0

[David F Barrera <dfbp@xxxxxxxxxx>]

On Wed, 2005-08-24 at 10:13 -0400, Bill Burns wrote:
> 
> I am seeing a very similar symptom with restoring a domU
> that has networking enabled. The kernel BUG netback.c line 349.
> 
> If I create a domU with no networking I can create/save/restore fine.

I can confirm that. I can create a domU with no networking.
> 
> Here is my stack trace for the restore of the domU with networking:
> 
>  Bill
> 
> kernel BUG at drivers/xen/netback/netback.c:349 (net_rx_action)!
>  [<c02bd43c>] net_rx_action+0x46c/0x500
>  [<c0381aff>] br_pass_frame_up_finish+0xf/0x20
>  [<c0381b8c>] br_pass_frame_up+0x7c/0x80
> 
>  [<c0381af0>] br_pass_frame_up_finish+0x0/0x20
>  [<c0381c77>] br_handle_frame_finish+0xe7/0x160
>  [<c0385e48>] br_nf_pre_routing_finish+0x178/0x420
>  [<e0e432d4>] veth_recv_interrupt+0x1a4/0x610 [egenera_veth]
> 
>  [<c033dc4d>] nf_iterate+0x5d/0x90
>  [<c0385cd0>] br_nf_pre_routing_finish+0x0/0x420
>  [<c0385cd0>] br_nf_pre_routing_finish+0x0/0x420
>  [<c033e0ae>] nf_hook_slow+0x7e/0x140
>  [<c034336a>] rt_intern_hash+0x2aa/0x3e0
> 
>  [<c014d598>] kmem_cache_alloc+0x98/0xb0
>  [<c0344891>] ip_route_input_mc+0x231/0x2e0
>   [<c033dc4d>] nf_iterate+0x5d/0x90
>  [<c033dc4d>] nf_iterate+0x5d/0x90
>  [<c032b981>] kfree_skbmem+0x21/0x30
> 
>  [<c03471a0>] ip_local_deliver+0x110/0x250
>  [<c0347793>] ip_rcv+0x323/0x4f0
>  [<c0347960>] ip_rcv_finish+0x0/0x280
>  [<c033280d>] netif_receive_skb+0x20d/0x260
>  [<c033291b>] process_backlog+0xbb/0x190
> 
>  [<c0125cb2>] tasklet_action+0x72/0x120
>  [<c01257f9>] __do_softirq+0x69/0x100
>  [<c0125915>] do_softirq+0x85/0xa0
>  [<c01259f5>] irq_exit+0x35/0x40
>  [<c010e7c2>] do_IRQ+0x22/0x30
> 
>  [<c01055c6>] evtchn_do_upcall+0x66/0xa0
>  [<c010e7c2>] do_IRQ+0x22/0x30
>  [<c0109df8>] hypervisor_callback+0x2c/0x34
>  [<c01077b8>] xen_idle+0x38/0x90
>  [<c0107845>] cpu_idle+0x35/0x50
> 
>  [<c0104023>] rest_init+0x23/0x40
>  [<c0104080>] init+0x0/0x120
>  [<c044e8da>] start_kernel+0x1ba/0x210
>  [<c044e390>] unknown_bootoption+0x0/0x240
> Kernel panic - not syncing: BUG!
> 
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-- 
Regards,

David F Barrera
Linux Technology Center
Systems and Technology Group, IBM

"The wisest men follow their own direction. "
                                                        Euripides


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