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    SubjectRe: 2.6.0-test4-mm6: locking imbalance with rtnl_lock/unlock?

    > which is SIOCGIFADDR. It seems to me the down() is actually the
    > rtnl_lock() called at net/ipv4/devinet.c:536 in devinet_ioctl. This
    > happens even when netplugd is no longer running. It looks like someone
    > isn't releasing the lock.
    >
    > I'm going over all the uses of rtnl_lock() to see if I can find a
    > problem, but no sign yet. I wonder if someone might have broken this
    > recently: I'm running 2.6.0-test4-mm6, but I think Bryan is running an
    > older kernel (2.6.0-test4?), and hasn't seen any problems.

    Yep I saw this too when updating from test2 to BK from a few days ago.
    From memory the cpu that had the rtnl_lock was stuck in dev_close,
    probably netif_poll_disable. I got side tracked and wasnt able to look
    into it.

    Anton
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