Internet sem fio automaticamente (e aleatoriamente) perde conexão no laptop

2

Estou executando o Ubuntu 16.04 em um laptop

Meu computador perde a conexão à Internet de forma automática e aleatória enquanto ainda está conectado à rede Wi-Fi (mantém a exibição na barra superior, mas eu não confirmei).

Desconectar e reconectar a rede Wi-Fi restaura a conexão com a Internet.

Por favor, comente todas as informações que seriam necessárias para solucionar meu problema, para que as pessoas possam descobrir o que está errado.

Atenciosamente, ryzokuken

INFORMAÇÃO:

Modelo de laptop: Acer Aspire E 15 : E5-573G-39G8

Cartão sem fio: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller

Saída de sudo lshw -C network :

  *-network               
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: enp2s0
       version: 15
       serial: 2c:60:0c:f6:16:a6
       size: 10Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:48 ioport:4000(size=256) memory:c4404000-c4404fff memory:c4400000-c4403fff
  *-network
       description: Wireless interface
       product: Qualcomm Atheros
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlp3s0
       version: 30
       serial: 48:e2:44:45:f5:6f
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=ath10k_pci driverversion=4.4.0-42-generic firmware=WLAN.TF.1.0-00267-1 ip=192.168.0.6 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn
       resources: irq:51 memory:c4200000-c43fffff

Saída de iwconfig :

wlp3s0    IEEE 802.11abgn  ESSID:"Ujjwal"  
      Mode:Managed  Frequency:2.412 GHz  Access Point: 90:8D:78:18:C9:51   
      Bit Rate=1 Mb/s   Tx-Power=20 dBm   
      Retry short limit:7   RTS thr:off   Fragment thr:off
      Power Management:on
      Link Quality=50/70  Signal level=-60 dBm  
      Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
      Tx excessive retries:27  Invalid misc:1910   Missed beacon:0

enp2s0    no wireless extensions.

lo        no wireless extensions.

docker0   no wireless extensions.

Saída de lpsci :

00:00.0 Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09)
00:02.0 VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
00:03.0 Audio device: Intel Corporation Broadwell-U Audio Controller (rev 09)
00:14.0 USB controller: Intel Corporation Wildcat Point-LP USB xHCI Controller (rev 03)
00:16.0 Communication controller: Intel Corporation Wildcat Point-LP MEI Controller #1 (rev 03)
00:1b.0 Audio device: Intel Corporation Wildcat Point-LP High Definition Audio Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #1 (rev e3)
00:1c.2 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #3 (rev e3)
00:1c.3 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #4 (rev e3)
00:1c.4 PCI bridge: Intel Corporation Wildcat Point-LP PCI Express Root Port #5 (rev e3)
00:1d.0 USB controller: Intel Corporation Wildcat Point-LP USB EHCI Controller (rev 03)
00:1f.0 ISA bridge: Intel Corporation Wildcat Point-LP LPC Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation Wildcat Point-LP SATA Controller [AHCI Mode] (rev 03)
00:1f.3 SMBus: Intel Corporation Wildcat Point-LP SMBus Controller (rev 03)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
03:00.0 Network controller: Qualcomm Atheros Device 0042 (rev 30)
04:00.0 3D controller: NVIDIA Corporation GK208M [GeForce 920M] (rev a1)
    
por Ujjwal Sharma 12.10.2016 / 17:11

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