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    SubjectRe: kernel 3.2.27 on arm: WARNING: at mm/page_alloc.c:2109 __alloc_pages_nodemask+0x1d4/0x68c()
    David Madore <david+ml@madore.org> :
    [...]
    > [ 268.976317] ieee80211 phy0: failed to reallocate TX buffer
    > [ 716.880515] ieee80211 phy0: failed to reallocate TX buffer
    > [ 1160.877677] ieee80211 phy0: failed to reallocate TX buffer
    >
    > Could they be related?

    Yes. This is a pskb_expand_head failure from net/mac80211/tx.c.
    The router is experiencing GFP_ATOMIC allocation failure

    You should monitor /proc/slabinfo content. A pig may appear over time.

    --
    Ueimor


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