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使用 4.15.0-91 内核 32 位的戴尔 Latitude E6500 wifi 无法工作。使用 -88 可以

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使用 4.15.0-91 内核 32 位的戴尔 Latitude E6500 wifi 无法工作。使用 -88 可以

使用 Kubuntu 18.04，我在戴尔 Latitude E6500 上安装了最新更改的 4.15.0-91 内核 32 位，但 WiFi 失败。使用较旧的内核 4.15.0-88 可以正常工作。这款戴尔机型右侧有一个额外的按钮，用于启用和禁用 WiFi。

Kubuntu 18.04 额外驱动产品：BCM4322 802.11a/b/g/n 无线局域网控制器

lshw：91 内核错误

    *-network           
         description: Ethernet interface
         product: 82567LM Gigabit Network Connection
         vendor: Intel Corporation
         physical id: 19
         bus info: pci@0000:00:19.0
         logical name: eth0
         version: 03
         serial: 00:24:e8:e8:e5:35
         capacity: 1Gbit/s
         width: 32 bits
         clock: 33MHz
         capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
         configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=1.7-7 latency=0 link=no multicast=yes port=twisted pair
         resources: irq:24 memory:f6ae0000-f6afffff memory:f6adb000-f6adbfff ioport:efe0(size=32)

*-USB：0

       *-network UNCLAIMED
            description: Network controller
            product: BCM4322 802.11a/b/g/n Wireless LAN Controller
            vendor: Broadcom Inc. and subsidiaries
            physical id: 0
            bus info: pci@0000:0c:00.0
            version: 01
            width: 64 bits
            clock: 33MHz
            capabilities: pm msi pciexpress bus_master cap_list
            configuration: latency=0
            resources: memory:f69fc000-f69fffff
    *-pci:2
         description: PCI bridge
         product: 82801I (ICH9 Family) PCI Express Port 3
         vendor: Intel Corporation
         physical id: 1c.2
         bus info: pci@0000:00:1c.2

88内核正在工作：

    *-network           
         description: Ethernet interface
         product: 82567LM Gigabit Network Connection
         vendor: Intel Corporation
         physical id: 19
         bus info: pci@0000:00:19.0
         logical name: eth0
         version: 03
         serial: 00:24:e8:e8:e5:35
         capacity: 1Gbit/s
         width: 32 bits
         clock: 33MHz
         capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
         configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=1.7-7 latency=0 link=no multicast=yes port=twisted pair
         resources: irq:24 memory:f6ae0000-f6afffff memory:f6adb000-f6adbfff ioport:efe0(size=32)

*-USB：0

       *-network
            description: Wireless interface
            product: BCM4322 802.11a/b/g/n Wireless LAN Controller
            vendor: Broadcom Inc. and subsidiaries
            physical id: 0
            bus info: pci@0000:0c:00.0
            logical name: wlan0
            version: 01
            serial: 90:4c:e5:3f:34:cc
            width: 64 bits
            clock: 33MHz
            capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
            configuration: broadcast=yes driver=wl0 driverversion=6.30.223.271 (r587334) ip=192.168.1.101 latency=0 multicast=yes wireless=IEEE 802.11                                                                                                              
            resources: irq:17 memory:f69fc000-f69fffff                                                                          
    *-pci:2
         description: PCI bridge
         product: 82801I (ICH9 Family) PCI Express Port 3
         vendor: Intel Corporation

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