2016-11-04 168 views
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兩週前我在HP Proliant dl380 gen 9上安裝了Ubuntu 14.04 LTS。自從我安裝以來,它一直是行爲不當,白天自動斷開連接,晚上和週末重新連接(高峯時段斷開連接)。如果我在白天拔掉並插入網線,它會連接幾分鐘,然後斷開連接(同時在網絡區域顯示連接的圖標)。該命令的輸出lspci -knn | grep Eth -A2回報ubuntu 14.04有線連接連接和斷開連接

02:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe [14e4:1657] (rev 01) Subsystem: Hewlett-Packard Company Device [103c:22be] Kernel driver in use: tg3

02:00.1 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe [14e4:1657] (rev 01) Subsystem: Hewlett-Packard Company Device [103c:22be] Kernel driver in use: tg3

02:00.2 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe [14e4:1657] (rev 01) Subsystem: Hewlett-Packard Company Device [103c:22be] Kernel driver in use: tg3

02:00.3 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5719 Gigabit Ethernet PCIe [14e4:1657] (rev 01) Subsystem: Hewlett-Packard Company Device [103c:22be] Kernel driver in use: tg3

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省電選項的地方?傑西有一個類似的問題讓我瘋狂。不記得我做了什麼來解決,但最終確定了它。另外,使用多種工具來管理網絡和設備可能會造成麻煩。 – 2016-11-04 10:20:46

回答

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最後能夠通過14e4:1687 broadcom tg3 network driver disconnects under high load找到答案。禁用highdma的ethtool與似乎解決此問題,以使/etc/udev/rules.d/70-persistent-net.rules解決永久添加udev規則:

ACTION=="add", SUBSYSTEM=="net", ATTRS{vendor}=="0x14e4", ATTRS{device}=="0x1687", RUN+="/sbin/ethtool -K %k highdma off"