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RE: [Xen-devel] Xen bug or sky2 device driver bug?

To: "Jae-Wan Jang" <jwjang@xxxxxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-devel] Xen bug or sky2 device driver bug?
From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
Date: Fri, 18 Aug 2006 09:04:43 +0100
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Thread-topic: [Xen-devel] Xen bug or sky2 device driver bug?
> I'm using ASUS P5WD2-E Premium mother board.
> It has two Marvell Yukon II gigabit Ethernet and sky2 device driver is
> used for them.
> 
> When domU receives lots of lots of packets (about 10Kb each),
> dom0 crashes.
> Unfortunately, my machine doesn't have serial port, I can't capture
all
> the oops messages.
> Following is backtrace of the oops messages.

What xen version? 
Are you talking about 10KB UDP datagrams fragemented into 1500byte
Ethernet frames?
Have you any iptables or ebtables rules?
Ian

> When domU receives lots of packets from other physical machine, kernel
> panic occurs.
> 
> Backtrace
> 
> br_handle_frame
> br_nf_pre_routing_finish
> br_nf_pre_routing
> nf_iterate
> nf_hook_slow
> br_handle_frame
> netif_receive_skb
> sky2_poll
> net_rx_action
> __do_softirq
> irq_exit
> do_IRQ
> evtchn_do_upcall
> hypervisor_callback
> xen_idle
> cpu_idle
> rest_init
> start_kernel
> 0xc010006f
> 
> Is it bug of Xen or sky2 device?
> 
> Thanks in advance.
> 
> --
> 
> Jae-Wan Jang
> jwjang@xxxxxxxxxxxxxxxxxx
> +82-42-869-3559
> http://camars.kaist.ac.kr/~jwjang
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

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