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    SubjectRe: sky2 panic in 2.6.32.1 under load (new oops)
    On Thu, 24 Dec 2009 14:18:12 -0500
    Michael Breuer <mbreuer@majjas.com> 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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