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SubjectRe: sky2 panic in under load (new oops)
On Thu, 24 Dec 2009 14:18:12 -0500
Michael Breuer <> wrote:

> I'll be the first to admit I don't know much about network drivers...
> but I am wondering why __free_page(frag->page); is called in
> skb_put_frags when the fragment length is zero. I don't see why that
> page pointer wouldn't potentially be reused afterwords.

When using Jumbo frames, the sky2 driver allocates pages to hold
the larger part of the frame. With 9K MTU it will allocate 2 * 4K pages
and then 1K for start of frame. Then if frame is <= 1K it will drop
the extra pages. Not sure why this broke now, I am not a VM expert.


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