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大家好,我在 Mac 上使用 Ubuntu 14.04,使用 wifi 大约 5 到 10 分钟后,它会随机显示信号已达到最大值,但互联网完全停止工作。这是我的 wifi 正常工作时显示的内容:
wlan0 IEEE 802.11abg ESSID:"vodafone-15B3"
Mode:Managed Frequency:2.417 GHz Access Point: 08:7A:4C:EF:15:C4
Bit Rate=144 Mb/s Tx-Power=200 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=50/70 Signal level=-60 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
事情发生的时候是这样的:
wlan0 IEEE 802.11abg ESSID:"vodafone-15B3"
Mode:Managed Frequency:2.417 GHz Access Point: 08:7A:4C:EF:15:C4
Bit Rate=144 Mb/s Tx-Power=200 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=15 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
我已经安装了以下驱动程序:
PCI (sysfs)
*-network
description: Ethernet interface
product: NetXtreme BCM57765 Gigabit Ethernet PCIe
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth0
version: 10
serial: 0c:4d:e9:c0:68:1f
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi msix pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.134 firmware=57765-v1.37 latency=0 link=no multicast=yes port=twisted pair
resources: irq:16 memory:a0400000-a040ffff memory:a0410000-a041ffff
*-network
description: Wireless interface
product: BCM4331 802.11a/b/g/n
vendor: Broadcom Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlan0
version: 02
serial: 90:fd:61:e4:fc:e6
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.141 (r415941) ip=192.168.1.3 latency=0 multicast=yes wireless=IEEE 802.11abg
resources: irq:17 memory:a0600000-a0603fff
任何帮助将不胜感激。
答案1
我认为您使用的是错误的驱动程序。请打开终端并执行以下操作:
sudo apt-get install firmware-b43-installer
sudo apt-get purge bcmwl-kernel-source
重新启动并告诉我们它是否按预期工作。