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We currently use a heuristic to determine whether or not to request cable detection in PXE_OPCODE_INITIALIZE, based on the need to work around a known Emulex driver bug (see commitc0b61ba"[efi] Work around bugs in Emulex NII driver") and the need to accommodate links that are legitimately slow to come up (see commit6324227"[efi] Skip cable detection at initialisation where possible"). This heuristic appears to fail with newer Emulex drivers. Attempt to support all known drivers (past and present) by first attempting initialisation with cable detection, then falling back to attempting initialisation without cable detection. Reported-by: Kwang Woo Lee <kwleeyh@gmail.com> Tested-by: Kwang Woo Lee <kwleeyh@gmail.com> Signed-off-by: Michael Brown <mcb30@ipxe.org>
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