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    SubjectRe: want opinions on possible glitch in 2.4 network error reporting
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    > > That is correct UDP behaviour
    >
    > This is totally untrue, unless the socket doing non-blocking I/O -- and
    > even then you get -1 and EAGAIN from sendto.

    Not the case.

    > there is no way to "lose" that data before it hits the wire, unless of
    > course the network driver is broken and doesn't plug the upper layers when
    > its TX queue is full.

    UDP is not flow controlled.

    > Think of it: if what you said were true, NFS over UDP would be totally
    > useless. But it's not, so if UDP data gets lost before it hits the wire,
    > it's usually a bug in the network driver.

    NFS does UDP flow control of its own. If it didnt it would indeed be
    broken.
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