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Red Hat Enterprise Linux 6 에서 tg3 을 사용할 경우의 버려지는(Stale) TCP 연결

Solution Verified - Updated -

Issue

  • 버려지는(Stale) TCP 연결
  • 연결이 갑자기 리셋 됩니다.
  • 로그인 직후에 SSH 연결이 끊깁니다.
  • 페이지 할당 실패 메세지가 /var/log/messages 에 보입니다.
Jan  9 06:36:35 xxxxxxx kernel: swapper: page allocation failure. order:4, mode:0x20
Jan  9 06:36:35 xxxxxxx kernel:Pid:0, comm: swapper Not tainted 2.6.32-358.14.1.el6.x86_64 #1

Environment

  • Red Hat Enterprise Linux 6
    • Broadcom tg3 NIC driver <= 3.132 (3.132 tg3 driver is included in RHEL 6 update 5)
    • GSO/TSO on

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