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ネットワークインターフェイスが不安定になり、tg3 ドライバーが "DMA Status error. Resetting chip" を表示する

Solution Verified - Updated -

Issue

  • eth0 が準備できるまで、リンクが何度もアップダウンを繰り返します。
  • システムの再起動に時間がかかる場合があります。
  • サーバーが突然再起動する場合があります。
  • dmesg および /var/log/messages にエラーが繰り返し表示されます。
kernel: tg3 0000:03:06.0: firmware: requesting tigon/tg3_tso.bin
kernel:ADDRCONF(NETDEV_UP): eth0: link is not ready
kernel: tg3 0000:03:06.0: eth0:DMA Status error.Resetting chip.
kernel: tg3 0000:03:06.0: eth0:0x00000000:0x164814e4, 0x22b00146, 0x02000010, 0x00804010
..Multiple Lines of Register Dump ..
kernel: tg3 0000:03:06.0: eth0:0x00007010:0x44ea66f0, 0x00014a00, 0x009f0020, 0xa184a053
kernel: tg3 0000:03:06.0: eth0:0:Host status block [00000007:00000001:(0000:0000:0000):(0000:0000)]
kernel: tg3 0000:03:06.0: eth0:0:NAPI info [00000000:00000001:(0000:0000:01ff):0000:(00c8:0000:0000:0000)]
kernel: tg3 0000:03:06.0: eth0:Link is up at 1000 Mbps, full duplex
kernel: tg3 0000:03:06.0: eth0:Flow control is on for TX and on for RX
kernel: tg3 0000:03:06.0: tg3_stop_block timed out, ofs=4800 enable_bit=2
kernel: tg3 0000:03:06.0: eth0:Link is down

Environment

  • Red Hat Enterprise Linux 6.2
    • kernel-2.6.32-220.4.1
  • Red Hat Enterprise Linux 5.8
    • kernel 2.6.18-308.1.1.el5

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