RT

1. 详细描述现象
2. 执行以下指令将结果全部复制贴上来

uname -a
Linux ubuntu 4.9.0-999-generic #201612112100 SMP Mon Dec 12 02:02:41 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux


lspci -knn | grep -iA2 net
03:00.0 Network controller [0280]: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express) [168c:002e] (rev 01)
Subsystem: Foxconn International, Inc. T77H167.00 [105b:e034]
Kernel driver in use: ath9k
--
04:00.0 Ethernet controller [0200]: Broadcom Limited NetLink BCM57785 Gigabit Ethernet PCIe [14e4:16b5] (rev 10)
Subsystem: Acer Incorporated [ALI] NetLink BCM57785 Gigabit Ethernet PCIe [1025:0500]
Kernel driver in use: tg3
Kernel modules: tg3


sudo lshw -numeric -C net

*-network
description: Wireless interface
product: AR9287 Wireless Network Adapter (PCI-Express) [168C:2E]
vendor: Qualcomm Atheros [168C]
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlan0
version: 01
serial: e0:06:e6:29:db:12
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath9k driverversion=4.9.0-999-generic firmware=N/A ip=192.168.0.112 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:17 memory:f3500000-f350ffff
*-network
description: Ethernet interface
product: NetLink BCM57785 Gigabit Ethernet PCIe [14E4:16B5]
vendor: Broadcom Limited [14E4]
physical id: 0
bus info: pci@0000:04:00.0
logical name: eth0
version: 10
serial: 20:6a:8a:7d:3b:83
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.137 duplex=full firmware=sb latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:19 memory:f3400000-f340ffff memory:f3410000-f341ffff memory:cfa00000-cfa007ff




sudo rfkill list all
0: acer-wireless: Wireless LAN
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no

怎么办呀？？
原先unity8进不去，改成kernel4.9后能进了，可不能用应用程序都找不到。

删了4.9用4.8网络还是不能用