之前一直没有问题，不知道是不是系统升级后就开始休眠或挂起后，再进入系统无法使用wifi。
通过Fn+F3开关wifi的功能也没有效果。
这里是我抓取的信息。
代码:
3.13.0-52-generic
代码:
sudo lshw -numeric -class network
*-network DISABLED
description: Ethernet interface
product: AR8151 v1.0 Gigabit Ethernet [1969:1073]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: c0
serial: 60:eb:69:01:5f:09
size: 10Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI duplex=half latency=0 link=no multicast=yes port=twisted pair speed=10Mbit/s
resources: irq:16 memory:cb000000-cb03ffff ioport:2000(size=128)
*-network
description: Network controller
product: BCM43225 802.11b/g/n [14E4:4357]
vendor: Broadcom Corporation [14E4]
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=bcma-pci-bridge latency=0
resources: irq:17 memory:ca000000-ca003fff
*-network DISABLED
description: Wireless interface
physical id: 3
logical name: wlan0
serial: 78:e4:00:8c:49:0b
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=brcmsmac driverversion=3.13.0-52-generic firmware=610.812 link=no multicast=yes wireless=IEEE 802.11bgn
这是我通过Fn+F3关闭wifi显示的信息，似乎我有些不同
代码:
sudo lshw -numeric -class network
*-network
description: Ethernet interface
product: AR8151 v1.0 Gigabit Ethernet [1969:1073]
vendor: Qualcomm Atheros [1969]
physical id: 0
bus info: pci@0000:02:00.0
logical name: eth0
version: c0
serial: 60:eb:69:01:5f:09
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vpd bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl1c driverversion=1.0.1.1-NAPI latency=0 link=no multicast=yes port=twisted pair
resources: irq:45 memory:cb000000-cb03ffff ioport:2000(size=128)
*-network
description: Network controller
product: BCM43225 802.11b/g/n [14E4:4357]
vendor: Broadcom Corporation [14E4]
physical id: 0
bus info: pci@0000:03:00.0
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list
configuration: driver=bcma-pci-bridge latency=0
resources: irq:17 memory:ca000000-ca003fff
*-network DISABLED
description: Wireless interface
physical id: 3
logical name: wlan0
serial: 78:e4:00:8c:49:0b
capabilities: ethernet physical wireless
configuration: broadcast=yes driver=brcmsmac driverversion=3.13.0-52-generic firmware=610.812 link=no multicast=yes wireless=IEEE 802.11bgn
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