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    SubjectRe: [2.6.34-rc1] CPU stalls when closing TCP sockets.
    From
    From: Eric Dumazet <eric.dumazet@gmail.com>
    Date: Tue, 09 Mar 2010 16:55:56 +0100

    > Le mardi 09 mars 2010 à 15:54 +0900, Tetsuo Handa a écrit :
    >> Eric Dumazet wrote:
    >> > Nothing comes to my mind, I'll try to reproduce this here.
    >>
    >> When stopped at (8), Ctrl-C doesn't work.
    >>
    >> > Is 2.6.33 OK ?
    >>
    >> Yes. 2.6.33 and earlier are OK.
    >
    > OK thanks !
    >
    > I believe commit d218d11133d888f9745802146a50255a4781d37a
    > (tcp: Generalized TTL Security Mechanism) might be the bug origin.
    >
    > I am testing following patch, based on latest net-2.6 tree (including
    > the LINUX_MIB_TCPMINTTLDROP bit)
    >
    > [PATCH] tcp: Fix tcp_v4_rcv()
    >
    > Commit d218d111 (tcp: Generalized TTL Security Mechanism) added a bug
    > for TIMEWAIT sockets. We should not test min_ttl for TW sockets.
    >
    > Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
    > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>

    Applied, thanks everyone.
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