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Ubuntu 12.04 启动时未检测到无线网络

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Ubuntu 12.04 启动时未检测到无线网络

我最近（三四天前）通过 Windows 安装程序（即 wubi.exe）安装了 Ubuntu 12.04。安装完成后，无线和以太网都运行良好。但重启后无线网络没有显示，而在网络管理器中，网络和无线都已启用。虽然有时启动后确实会显示可用的网络，但这种情况很少见。

因此，我浏览了有关 Ubuntu 12.04 中无线问题的各种帖子，并尝试了很多方法，但最终都没有令人满意的结果。我有 Broadcom 4313 LAN 网络控制器和 brcmsmac 驱动程序。然后，根据一些建议，我尝试安装 bcm-wl 驱动程序，但由于 jockeyl.log 文件中的一些错误而无法安装。然后，我尝试全新安装相同的驱动程序，但仍然可以解决无线启动问题。

然后我再次使用 wubi 安装程序在 Windows 中重新安装了 Ubuntu。这次启动后再次出现同样的问题。但这次我在干扰 Ubuntu 的文件系统文件之前成功安装了 wl 驱动程序。但再次出现同样的问题。

这次我注意到了一些新的事情：

  1. 如果我在启动前插入以太网/LAN 电缆，那么无线网络就可以使用，当然 LAN（有线）网络也可以使用。
  2. 但如果我在启动前不插上网线，然后在启动后再插上，那么它既检测不到以太网，也检测不到无线网络。所以我之前没有注意到启动后 LAN 和 wifi 也无法工作。

但如果我暂停会话并使其休眠，然后再次登录，它就会正常工作。我每次都尝试过，WLAN 工作正常。但我仍然无法解决启动问题。每次我启动时，我必须先暂停它一次，然后才有网络可用。

每次我重启/启动笔记本电脑时，我都会感到很烦。所以请帮我解决这个问题。任何有关此问题的想法/帮助都将不胜感激。

我运行的一些命令给出了以下结果：

# lspci

00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 12)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 12)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 06)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 06)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 06)
00:1c.5 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 6 (rev 06)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 06)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a6)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 06)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller (rev 06)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 06)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 06)
03:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
04:00.0 Ethernet controller: Atheros Communications Inc. AR8152 v1.1 Fast Ethernet (rev c1)
ff:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
ff:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
ff:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
ff:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
ff:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
ff:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)

# sudo lshw -C network

  *-network               
       description: Wireless interface
       product: BCM4313 802.11b/g/n Wireless LAN Controller
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth1
       version: 01
       serial: 70:f1:a1:49:b6:ab
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=5.100.82.38 ip=192.168.1.7 latency=0 multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:f0500000-f0503fff
  *-network
       description: Ethernet interface
       product: AR8152 v1.1 Fast Ethernet
       vendor: Atheros Communications Inc.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: eth0
       version: c1
       serial: b8:ac:6f:6b:f7:4a
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.0-NAPI firmware=N/A latency=0 link=no multicast=yes port=twisted pair
       resources: irq:44 memory:f0400000-f043ffff ioport:2000(size=128)

# lsmod | grep wl

wl                   2568210  0 
lib80211               14381  2 lib80211_crypt_tkip,wl

# sudo iwlist eth1 scanning

eth1      Scan completed :
          Cell 01 - Address: 30:46:9A:85:DA:9A
                    ESSID:"BH DASHIR 2"
                    Mode:Managed
                    Frequency:2.462 GHz (Channel 11)
                    Quality:4/5  Signal level:-60 dBm  Noise level:-98 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD7F0050F204104A00011010440001021041000100103B000103104700109AFE7D908F8E2D381860668BA2E8D8771021000D4E4554474541522C20496E632E10230009574752363134763130102400095747523631347631301042000538333235381054000800060050F204000110110009574752363134763130100800020084
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
          Cell 02 - Address: C0:3F:0E:EB:45:14
                    ESSID:"BH DASHIR 3"
                    Mode:Managed
                    Frequency:2.462 GHz (Channel 11)
                    Quality:2/5  Signal level:-71 dBm  Noise level:-98 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD7F0050F204104A00011010440001021041000100103B00010310470010F3C9BBE499D140540F530E7EBEDE2F671021000D4E4554474541522C20496E632E10230009574752363134763130102400095747523631347631301042000538333235381054000800060050F204000110110009574752363134763130100800020084
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 18 Mb/s
                              24 Mb/s; 36 Mb/s; 54 Mb/s; 6 Mb/s; 9 Mb/s
                              12 Mb/s; 48 Mb/s
          Cell 03 - Address: A0:21:B7:A8:2F:C0
                    ESSID:"BH DASHIR 4"
                    Mode:Managed
                    Frequency:2.422 GHz (Channel 3)
                    Quality:1/5  Signal level:-86 dBm  Noise level:-98 dBm
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : CCMP
                        Pairwise Ciphers (1) : CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD8B0050F204104A0001101044000102103B0001031047001000000000000010000000A021B7A82FC01021000D4E6574676561722C20496E632E10230009574E523130303076321024000456324831104200046E6F6E651054000800060050F20400011011001B574E5231303030763228576972656C6573732041502D322E344729100800020086103C000103
                    Encryption key:on
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
                              48 Mb/s; 54 Mb/s

答案1

这个对我有用如何让我的无线网络在重启后自动启动在 /etc/modules 中添加要在启动时加载的 b43 模块

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