Re: [Xen-devel] Problem with MTU > 1500, ifconfig segmentation fault

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

This is fixed in 3.0, but no plans to backport the fix to 2.0 series 
right now. It may not be that hard though -- the file containing 
Xen-specific dev_alloc_skb() may transfer straight over.
 -- Keir


On 9 Sep 2005, at 19:53, Satish Raghunath wrote:

> Hi all,
>
> I am using Xen 2.0.7. I have Broadcom NetXtreme BCM5704 Gigabit 
> Ethernet (rev 02) cards which support frames greater than 1500.
> However when I boot into Xen and try to set the MTU to anything higher 
> than 1500 (e.g., 4000, 8000 etc) I get a segmentation fault. After 
> this fault, every command fails with a segmentation fault. I saw a 
> similar bug report posted here:
> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=152
>
> If there is a patch available for this, I would appreciate it very 
> much if you can point me to it.
> I tried setting the default MTU in 
> $XEN/linux-2.6.11-xen0/net/ethernet/eth.c to 9000 and that allowed the 
> interface have an MTU of 9000. But even then ping packets with large 
> sizes would not work.
> Any additionaly pointers will be highly appreciated.
>
> Thank you,
> Satish
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