休眠后恢复工作正常，但 WLAN 无法恢复。冷启动后 WLAN 工作正常。
ifconfig显示休眠前 WLAN 工作正常：wlo1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>等等，但休眠后没有 WLAN。（休眠前后都有以太网。）
我尝试了lshw休眠之前和之后。以下是休眠之前（摘录）：
*-pci:2
description: PCI bridge
product: Wildcat Point-LP PCI Express Root Port #3
vendor: Intel Corporation
physical id: 1c.2
bus info: pci@0000:00:1c.2
version: e3
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:44 memory:c6100000-c61fffff
*-network
description: Wireless interface
product: BCM43142 802.11b/g/n
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlo1
version: 01
serial: [REMOVED]
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) ip=[REMOVED] latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:c6100000-c6107fff
但休眠后 WLAN 似乎被禁用：
*-pci:2
description: PCI bridge
product: Wildcat Point-LP PCI Express Root Port #3
vendor: Intel Corporation
physical id: 1c.2
bus info: pci@0000:00:1c.2
version: e3
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:44 memory:c6100000-c61fffff
*-network DISABLED
description: Wireless interface
product: BCM43142 802.11b/g/n
vendor: Broadcom Limited
physical id: 0
bus info: pci@0000:08:00.0
logical name: wlo1
version: 01
serial: [REMOVED]
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) latency=0 multicast=yes wireless=IEEE 802.11
resources: irq:18 memory:c6100000-c6107fff
网络管理器似乎已死，Wifi 连接无响应。我尝试使用命令行重新启动网络管理器，但没有成功。
这个问题已经持续了 1.5 年，我使用过的 Ubuntu 版本从 15.04 到 16.10。我还重新安装了 16.04。没用。有人能帮我吗？谢谢！