刚刚获得了 5.8.0-34 内核更新,并且无线不适用于这款旧 DELL zino HD 迷你电脑中的 BCM43224 无线。当我第一次安装不需要魔法的 20.04 时它运行良好,如果我重新启动到我以前拥有的较旧的 5.4.0-59 内核,它运行良好。ubuntu 是否放弃了对此的支持,或者它是内核/构建错误?
这是来自 5.8 内核的相关 lshw:
*-network UNCLAIMED
description: Network controller
product: BCM43224 802.11a/b/g/n
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:02:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: latency=0
resources: memory:fe8fc000-fe8fffff
在 5.4 内核中,我看到:
*-network
description: Wireless interface
product: BCM43224 802.11a/b/g/n
vendor: Broadcom Inc. and subsidiaries
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 01
serial: c0:cb:38:27:23:c0
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) latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:fe8fc000-fe8fffff
所以看起来驱动程序已经消失了,但是当我安装 20.04 时,我没有做任何安装该驱动程序的操作,它只是开箱即用。