wireless connection not working continously

Output of the following command:

 sudo apt-get update; sudo apt-get install usbutils pciutils hwinfo grep rfkill; sudo lshw -C network; rfkill list; sudo iwlist scan | grep -Ei 'chan|ssid'; cat /etc/network/interfaces; cat /etc/lsb-release; lspci -nnk | grep -iA2 net; lsusb; nmcli nm status; sudo lshw -short; uname -a; sudo updatedb; dmesg | grep -E '02:00|80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|ireless|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|ound|p54|prism|rror|rtl|RTL|rt2|RT2|rt3|RT3|rt5|RT5|rt6|RT6|rt7|RT7|usb|witch|wl';sudo dmidecode|grep -E 'anufact|roduct|erial|elease'; iwconfig; grep -E '80211|acx|at76|ath|b43|bcm|brcm|CX|eth|ipw|irmware|isl|lbtf|orinoco|ndiswrapper|NPE|p54|prism|rtl|rt2|rt3|rt6|rt7|wmi|witch|wl' /etc/modprobe.d/*; cat /var/lib/NetworkManager/NetworkManager.state; sudo hwinfo --netcard ; ps -aux|grep -E 'wpa|icd|etwork'; netstat -rn ; cat /etc/resolv.conf; ls -lia /boot; grep tmpfs /etc/fstab; ubuntu-support-status; sudo update-pciids; sudo update-usbids; sudo lsmod
Get:1 http://security.ubuntu.com trusty-security InRelease [65,9 kB]
Ign http://extras.ubuntu.com trusty InRelease
Hit http://extras.ubuntu.com trusty Release.gpg
Ign http://archive.canonical.com trusty InRelease
Hit http://extras.ubuntu.com trusty Release
Ign http://it.archive.ubuntu.com trusty InRelease
Hit http://archive.canonical.com trusty Release.gpg
Get:2 http://security.ubuntu.com trusty-security/main Sources [105 kB]
Hit http://extras.ubuntu.com trusty/main i386 Packages
Hit http://archive.canonical.com trusty Release
Hit http://it.archive.ubuntu.com trusty-updates InRelease
Hit http://it.archive.ubuntu.com trusty Release.gpg
Hit http://archive.canonical.com trusty/partner i386 Packages
Hit http://archive.canonical.com trusty/partner Translation-en
Hit http://it.archive.ubuntu.com trusty-updates/main Sources
Hit http://it.archive.ubuntu.com trusty-updates/restricted Sources
Hit http://it.archive.ubuntu.com trusty-updates/universe Sources
Hit http://it.archive.ubuntu.com trusty-updates/multiverse Sources
Get:3 http://security.ubuntu.com trusty-security/restricted Sources [4.035 B]
Get:4 http://security.ubuntu.com trusty-security/universe Sources [33,0 kB]
Hit http://it.archive.ubuntu.com trusty-updates/main i386 Packages
Hit http://it.archive.ubuntu.com trusty-updates/restricted i386 Packages
Ign http://extras.ubuntu.com trusty/main Translation-en_US
Hit http://it.archive.ubuntu.com trusty-updates/universe i386 Packages
Ign http://extras.ubuntu.com trusty/main Translation-en
Hit http://it.archive.ubuntu.com trusty-updates/multiverse i386 Packages
Hit http://it.archive.ubuntu.com trusty-updates/main Translation-en
Hit http://it.archive.ubuntu.com trusty-updates/multiverse Translation-en
Get:5 http://security.ubuntu.com trusty-security/multiverse Sources [2.767 B]
Get:6 http://security.ubuntu.com trusty-security/main i386 Packages [393 kB]
Hit http://it.archive.ubuntu.com trusty-updates/restricted Translation-en
Hit http://it.archive.ubuntu.com trusty-updates/universe Translation-en
Hit http://it.archive.ubuntu.com trusty Release
Hit http://it.archive.ubuntu.com trusty/main Sources
Hit http://it.archive.ubuntu.com trusty/restricted Sources
Hit http://it.archive.ubuntu.com trusty/universe Sources
Hit http://it.archive.ubuntu.com trusty/multiverse Sources
Get:7 http://security.ubuntu.com trusty-security/restricted i386 Packages [12,7 kB]
Hit http://it.archive.ubuntu.com trusty/main i386 Packages
Get:8 http://security.ubuntu.com trusty-security/universe i386 Packages [124 kB]
Hit http://it.archive.ubuntu.com trusty/restricted i386 Packages
Hit http://it.archive.ubuntu.com trusty/universe i386 Packages
Hit http://it.archive.ubuntu.com trusty/multiverse i386 Packages
Get:9 http://security.ubuntu.com trusty-security/multiverse i386 Packages [5.164 B]
Hit http://it.archive.ubuntu.com trusty/main Translation-en
Hit http://security.ubuntu.com trusty-security/main Translation-en
Hit http://security.ubuntu.com trusty-security/multiverse Translation-en
Hit http://security.ubuntu.com trusty-security/restricted Translation-en
Hit http://it.archive.ubuntu.com trusty/multiverse Translation-en
Hit http://security.ubuntu.com trusty-security/universe Translation-en
Hit http://it.archive.ubuntu.com trusty/restricted Translation-en
Hit http://it.archive.ubuntu.com trusty/universe Translation-en
Ign http://it.archive.ubuntu.com trusty/main Translation-en_US
Ign http://it.archive.ubuntu.com trusty/multiverse Translation-en_US
Ign http://it.archive.ubuntu.com trusty/restricted Translation-en_US
Ign http://it.archive.ubuntu.com trusty/universe Translation-en_US
Fetched 745 kB in 18s (40,7 kB/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package hwinfo is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'hwinfo' has no installation candidate
  *-network
       description: Ethernet interface
       product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth0
       version: 0a
       serial: f0:76:1c:e9:23:a1
       size: 100Mbit/s
       capacity: 100Mbit/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 autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8107e-2_0.0.2 02/26/15 ip=192.168.1.113 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:92 ioport:2000(size=256) memory:90504000-90504fff memory:90500000-90503fff
  *-network
       description: Wireless interface
       product: RTL8723BE PCIe Wireless Network Adapter
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlan0
       version: 00
       serial: 4c:bb:58:c0:57:f5
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtl8723be driverversion=3.19.0-49-generic firmware=N/A ip=192.168.1.104 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn
       resources: irq:19 ioport:1000(size=256) memory:90400000-90403fff
0: ideapad_wlan: Wireless LAN
 Soft blocked: no
 Hard blocked: no
1: ideapad_bluetooth: Bluetooth
 Soft blocked: yes
 Hard blocked: no
2: hci0: Bluetooth
 Soft blocked: yes
 Hard blocked: no
3: phy0: Wireless LAN
 Soft blocked: no
 Hard blocked: no
wlan0 Failed to read scan data : Resource temporarily unavailable

lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.4 LTS"
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 0a)
 Subsystem: Lenovo Device [17aa:3830]
 Kernel driver in use: r8169
04:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
 Subsystem: XAVi Technologies Corp. Device [1b9a:2485]
 Kernel driver in use: rtl8723be
Bus 003 Device 002: ID 8087:07e6 Intel Corp.
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f2:b49f Chicony Electronics Co., Ltd
Bus 001 Device 002: ID 174f:1169 Syntek
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
RUNNING STATE WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
running connected enabled enabled enabled disabled
H/W path Device Class Description
===================================================
                            system 80QR (LENOVO_MT_80QR_BU_idea_FM_Lenovo B
/0 bus Lenovo B50-10
/0/0 memory 64KiB BIOS
/0/4 processor Intel(R) Celeron(R) CPU N2840 @ 2.16GH
/0/4/8 memory 32KiB L1 cache
/0/4/9 memory 1MiB L2 cache
/0/4/0.1 processor Logical CPU
/0/4/0.2 processor Logical CPU
/0/4/0.3 processor Logical CPU
/0/4/0.4 processor Logical CPU
/0/4/0.5 processor Logical CPU
/0/4/0.6 processor Logical CPU
/0/4/0.7 processor Logical CPU
/0/4/0.8 processor Logical CPU
/0/4/0.9 processor Logical CPU
/0/4/0.a processor Logical CPU
/0/4/0.b processor Logical CPU
/0/4/0.c processor Logical CPU
/0/4/0.d processor Logical CPU
/0/4/0.e processor Logical CPU
/0/4/0.f processor Logical CPU
/0/4/0.10 processor Logical CPU
/0/7 memory 24KiB L1 cache
/0/25 memory 8GiB System Memory
/0/25/0 memory 8GiB SODIMM DDR3 Synchronous 1333 MHz (0
/0/25/1 memory SODIMM [empty]
/0/100 bridge Atom Processor Z36xxx/Z37xxx Series SoC
/0/100/2 display Atom Processor Z36xxx/Z37xxx Series Grap
/0/100/13 storage Atom Processor E3800 Series SATA AHCI Co
/0/100/14 bus Atom Processor Z36xxx/Z37xxx Series USB
/0/100/1a generic Atom Processor Z36xxx/Z37xxx Series Trus
/0/100/1b multimedia Atom Processor Z36xxx/Z37xxx Series High
/0/100/1c bridge Atom Processor E3800 Series PCI Express
/0/100/1c.1 bridge Atom Processor E3800 Series PCI Express
/0/100/1c.1/0 generic RTS5229 PCI Express Card Reader
/0/100/1c.2 bridge Atom Processor E3800 Series PCI Express
/0/100/1c.2/0 eth0 network RTL8101/2/6E PCI Express Fast/Gigabit Et
/0/100/1c.3 bridge Atom Processor E3800 Series PCI Express
/0/100/1c.3/0 wlan0 network RTL8723BE PCIe Wireless Network Adapter
/0/100/1d bus Atom Processor Z36xxx/Z37xxx Series USB
/0/100/1f bridge Atom Processor Z36xxx/Z37xxx Series Powe
/0/100/1f.3 bus Atom Processor E3800 Series SMBus Contro
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 500GB WDC WD5000LPCX-2
/0/1/0.0.0/1 /dev/sda1 volume 9536MiB Linux swap volume
/0/1/0.0.0/2 /dev/sda2 volume 456GiB Extended partition
/0/1/0.0.0/2/5 /dev/sda5 volume 456GiB Linux filesystem partition
/0/2 scsi1 storage
/0/2/0.0.0 /dev/cdrom disk DVD-RW DA8A6SH
/1 power SR Real Battery
/2 power OEM_Define5
Linux val-Lenovo-B50-10 3.19.0-49-generic #55~14.04.1-Ubuntu SMP Fri Jan 22 11:23:34 UTC 2016 i686 i686 i686 GNU/Linux
[ 0.167790] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored
[ 0.699250] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge
[ 0.702964] pci 0000:02:00.0: [10ec:5229] type 00 class 0xff0000
[ 0.703015] pci 0000:02:00.0: reg 0x10: [mem 0x90600000-0x90600fff]
[ 0.703184] pci 0000:02:00.0: supports D1 D2
[ 0.703188] pci 0000:02:00.0: PME# supported from D1 D2 D3hot
[ 0.703260] pci 0000:02:00.0: System wakeup disabled by ACPI
[ 0.986116] usbcore: registered new interface driver usbfs
[ 0.986135] usbcore: registered new interface driver hub
[ 0.986168] usbcore: registered new device driver usb
[ 0.988387] Switched to clocksource refined-jiffies
[ 1.255392] pnp: PnP ACPI: found 6 devices
[ 1.293732] Switched to clocksource acpi_pm
[ 3.394013] Console: switching to colour frame buffer device 80x30
[ 3.394605] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:01/PNP0C0D:00/input/input0
[ 3.394635] ACPI: Lid Switch [LID0]
[ 3.397276] [Firmware Bug]: No valid trip found
[ 3.426247] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.426251] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.426255] usb usb1: Product: xHCI Host Controller
[ 3.426259] usb usb1: Manufacturer: Linux 3.19.0-49-generic xhci-hcd
[ 3.426262] usb usb1: SerialNumber: 0000:00:14.0
[ 3.426470] hub 1-0:1.0: USB hub found
[ 3.427310] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
[ 3.427314] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.427318] usb usb2: Product: xHCI Host Controller
[ 3.427321] usb usb2: Manufacturer: Linux 3.19.0-49-generic xhci-hcd
[ 3.427325] usb usb2: SerialNumber: 0000:00:14.0
[ 3.427561] hub 2-0:1.0: USB hub found
[ 3.443602] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002
[ 3.443607] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 3.443610] usb usb3: Product: EHCI Host Controller
[ 3.443614] usb usb3: Manufacturer: Linux 3.19.0-49-generic ehci_hcd
[ 3.443617] usb usb3: SerialNumber: 0000:00:1d.0
[ 3.443811] hub 3-0:1.0: USB hub found
[ 3.451760] PCCT header not found.
[ 3.457251] Loaded X.509 cert 'Magrathea: Glacier signing key: 2da15322d24faabd485bc5f95b7d329d4e291ad9'
[ 3.466038] ima: No TPM chip found, activating TPM-bypass!
[ 3.466719] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 3.735735] usb 1-3: new high-speed USB device number 2 using xhci_hcd
[ 3.752223] isapnp: No Plug & Play device found
[ 3.755766] usb 3-1: new high-speed USB device number 2 using ehci-pci
[ 3.835289] rtsx_pci 0000:02:00.0: rtsx_pci_acquire_irq: pcr->msi_en = 1, pci->irq = 91
[ 3.857081] r8169 0000:03:00.0 eth0: RTL8107e at 0xf844c000, f0:76:1c:e9:23:a1, XID 14100800 IRQ 92
[ 3.888271] usb 3-1: New USB device found, idVendor=8087, idProduct=07e6
[ 3.888277] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 3.888577] hub 3-1:1.0: USB hub found
[ 3.891958] usb 1-3: New USB device found, idVendor=174f, idProduct=1169
[ 3.891963] usb 1-3: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[ 3.891966] usb 1-3: Product: Lenovo EasyCamera
[ 3.891969] usb 1-3: Manufacturer: 150520020593
[ 3.891972] usb 1-3: SerialNumber: 200901010001
[ 4.059997] usb 1-4: new full-speed USB device number 3 using xhci_hcd
[ 4.160737] ata1.00: ATA-9: WDC WD5000LPCX-24C6HT0, 02.01A02, max UDMA/133
[ 4.161571] scsi 0:0:0:0: Direct-Access ATA WDC WD5000LPCX-2 1A02 PQ: 0 ANSI: 5
[ 4.188466] usb 1-4: No LPM exit latency info found, disabling LPM.
[ 4.189412] usb 1-4: New USB device found, idVendor=04f2, idProduct=b49f
[ 4.189417] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4.189420] usb 1-4: Product: Bluetooth Radio
[ 4.189423] usb 1-4: Manufacturer: Realtek
[ 4.189426] usb 1-4: SerialNumber: 00e04c000001
[ 5.385197] Switched to clocksource tsc
[ 13.679635] lp: driver loaded but no devices found
[ 13.811945] fb: switching to inteldrmfb from EFI VGA
[ 13.811976] Console: switching to colour dummy device 80x25
[ 13.991616] EXT4-fs (sda5): re-mounted. Opts: errors=remount-ro
[ 14.234776] usbcore: registered new interface driver btusb
[ 14.315671] Console: switching to colour frame buffer device 170x48
[ 14.367924] cfg80211: Calling CRDA to update world regulatory domain
[ 14.398248] sound hdaudioC0D0: autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 14.398254] sound hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 14.398258] sound hdaudioC0D0: hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
[ 14.398261] sound hdaudioC0D0: mono: mono_out=0x0
[ 14.398263] sound hdaudioC0D0: inputs:
[ 14.398267] sound hdaudioC0D0: Internal Mic=0x1b
[ 14.398271] sound hdaudioC0D0: Mic=0x19
[ 14.432677] WARNING: CPU: 0 PID: 28 at /build/linux-lts-vivid-XjUL8J/linux-lts-vivid-3.19.0/sound/pci/hda/hda_i915.c:115 snd_hdac_i915_register_notifier+0x25/0x30 [snd_hda_intel]()
[ 14.432679] Modules linked in: snd_hda_codec_hdmi mac80211 snd_hda_codec_realtek snd_hda_codec_generic rtsx_pci_ms memstick cfg80211 joydev serio_raw btusb bluetooth lpc_ich snd_intel_sst_acpi snd_intel_sst_core snd_soc_sst_mfld_platform snd_soc_core snd_hda_intel wmi snd_hda_controller snd_compress snd_hda_codec snd_pcm_dmaengine ideapad_laptop sparse_keymap snd_hwdep 8250_fintek snd_seq_midi snd_seq_midi_event snd_rawmidi snd_pcm int3400_thermal snd_seq acpi_thermal_rel snd_seq_device snd_soc_sst_acpi snd_timer processor_thermal_device snd int3403_thermal intel_smartconnect soundcore shpchp mac_hid mei_txe i915 mei video drm_kms_helper drm iosf_mbi parport_pc i2c_algo_bit ppdev lp parport rtsx_pci_sdmmc psmouse r8169 mii rtsx_pci ahci libahci
[ 14.432750] 00000000 0000001c f8b453e0 00000073 f8b43715 f8b43715 f6a2a400 ed0c5800
[ 14.432756] f6a2a744 f12f7de4 c105f402 00000009 00000000 f12f7dec f8b43715 f12f7e5c
[ 14.432779] [<c105f327>] warn_slowpath_common+0x87/0xc0
[ 14.432786] [<f8b43715>] ? snd_hdac_i915_register_notifier+0x25/0x30 [snd_hda_intel]
[ 14.432791] [<f8b43715>] ? snd_hdac_i915_register_notifier+0x25/0x30 [snd_hda_intel]
[ 14.432795] [<c105f402>] warn_slowpath_null+0x22/0x30
[ 14.432801] [<f8b43715>] snd_hdac_i915_register_notifier+0x25/0x30 [snd_hda_intel]
[ 14.449122] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 14.449240] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 14.449353] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 14.510626] rtl8723be: Using firmware rtlwifi/rtl8723befw.bin
[ 14.573092] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[ 14.573688] rtlwifi: rtlwifi: wireless switch is on
[ 14.627098] intel_rapl: Found RAPL domain package
[ 14.627103] intel_rapl: Found RAPL domain core
[ 14.865840] uvcvideo: Found UVC 1.00 device Lenovo EasyCamera (174f:1169)
[ 14.883114] input: Lenovo EasyCamera as /devices/pci0000:00/0000:00:14.0/usb1/1-3/1-3:1.0/input/input11
[ 14.884142] usbcore: registered new interface driver uvcvideo
[ 15.260724] cfg80211: World regulatory domain updated:
[ 15.260730] cfg80211: DFS Master region: unset
[ 15.260733] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 15.260737] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 15.260740] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 15.260743] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 15.260746] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 15.260749] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 17.393545] r8169 0000:03:00.0 eth0: link down
[ 17.393573] r8169 0000:03:00.0 eth0: link down
[ 17.393616] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 17.959710] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 20.193581] wlan0: authenticate with 98:fc:11:d8:34:b5
[ 20.215060] wlan0: send auth to 98:fc:11:d8:34:b5 (try 1/3)
[ 20.217905] wlan0: authenticated
[ 20.218095] rtl8723be 0000:04:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[ 20.218100] rtl8723be 0000:04:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[ 20.221146] wlan0: associate with 98:fc:11:d8:34:b5 (try 1/3)
[ 20.224571] wlan0: RX AssocResp from 98:fc:11:d8:34:b5 (capab=0x411 status=0 aid=1)
[ 20.225065] wlan0: associated
[ 20.225080] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 20.285218] wlan0: deauthenticating from 98:fc:11:d8:34:b5 by local choice (Reason: 2=PREV_AUTH_NOT_VALID)
[ 20.297303] cfg80211: Calling CRDA to update world regulatory domain
[ 20.298182] wlan0: authenticate with 98:fc:11:d8:34:b5
[ 20.309345] wlan0: send auth to 98:fc:11:d8:34:b5 (try 1/3)
[ 20.310977] cfg80211: World regulatory domain updated:
[ 20.310983] cfg80211: DFS Master region: unset
[ 20.310986] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 20.310990] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 20.310993] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 20.310996] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 20.310999] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 20.311002] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A)
[ 20.312672] wlan0: authenticated
[ 20.312948] rtl8723be 0000:04:00.0 wlan0: disabling HT as WMM/QoS is not supported by the AP
[ 20.312953] rtl8723be 0000:04:00.0 wlan0: disabling VHT as WMM/QoS is not supported by the AP
[ 20.313225] wlan0: associate with 98:fc:11:d8:34:b5 (try 1/3)
[ 20.316463] wlan0: RX AssocResp from 98:fc:11:d8:34:b5 (capab=0x411 status=0 aid=1)
[ 20.316958] wlan0: associated
[ 29.418601] r8169 0000:03:00.0 eth0: link up
[ 29.418638] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 692.290604] r8169 0000:03:00.0 eth0: link down
[ 694.742510] r8169 0000:03:00.0 eth0: link up
[ 710.208511] r8169 0000:03:00.0 eth0: link down
[ 712.660503] r8169 0000:03:00.0 eth0: link up
 Release Date: 04/14/2015
  Serial services are supported (int 14h)
 Manufacturer: LENOVO
 Product Name: 80QR
 Serial Number: MP095CJA
 Manufacturer: LENOVO
 Product Name: Lenovo B50-10
 Serial Number: MP095CJA
 Manufacturer: LENOVO
 Serial Number: MP095CJA
 Manufacturer: Intel(R) Corporation
 Serial Number: Not Specified
 External Reference Designator: Serial Port
 Port Type: Serial Port 16550A Compatible
 Option 1: String1 for Type12 Equipment Manufacturer
 Option 2: String2 for Type12 Equipment Manufacturer
 Option 3: String3 for Type12 Equipment Manufacturer
 Option 4: String4 for Type12 Equipment Manufacturer
 Manufacturer: Kingston
 Serial Number: 81361635
 Manufacturer: Not Specified
 Serial Number: Not Specified
 Manufacturer: Intel SR 1
 Manufacture Date: Date
 Serial Number: 123456789
 Manufacturer: OEM_Define2
 Serial Number: OEM_Define3
wlan0 IEEE 802.11bgn ESSID:"70 Park Terrace"
          Mode:Managed Frequency:2.437 GHz Access Point: 98:FC:11:D8:34:B5
          Bit Rate=54 Mb/s Tx-Power=20 dBm
          Retry short limit:7 RTS thr=2347 B Fragment thr:off
          Power Management:off
          Link Quality=66/70 Signal level=-44 dBm
          Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
          Tx excessive retries:0 Invalid misc:24 Missed beacon:0

lo no wireless extensions.

eth0 no wireless extensions.

/etc/modprobe.d/alsa-base.conf:install snd-rawmidi /sbin/modprobe --ignore-install snd-rawmidi $CMDLINE_OPTS && { /sbin/modprobe --quiet --use-blacklist snd-seq-midi ; : ; }
/etc/modprobe.d/blacklist-ath_pci.conf:# which ath5k cannot recover. To prevent this condition, stop
/etc/modprobe.d/blacklist-ath_pci.conf:blacklist ath_pci
/etc/modprobe.d/blacklist.conf:blacklist eth1394
/etc/modprobe.d/blacklist.conf:# replaced by p54pci
/etc/modprobe.d/blacklist.conf:blacklist prism54
/etc/modprobe.d/blacklist.conf:# replaced by b43 and ssb.
/etc/modprobe.d/blacklist.conf:blacklist bcm43xx
/etc/modprobe.d/blacklist-oss.conf:blacklist uart6850
/etc/modprobe.d/blacklist-watchdog.conf:blacklist twl4030_wdt
/etc/modprobe.d/iwlwifi.conf:# /etc/modprobe.d/iwlwifi.conf
/etc/modprobe.d/iwlwifi.conf:# iwlwifi will dyamically load either iwldvm or iwlmvm depending on the
/etc/modprobe.d/iwlwifi.conf:# microcode file installed on the system. When removing iwlwifi, first
/etc/modprobe.d/iwlwifi.conf:# remove the iwl?vm module and then iwlwifi.
/etc/modprobe.d/iwlwifi.conf:remove iwlwifi \
/etc/modprobe.d/iwlwifi.conf:(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
/etc/modprobe.d/iwlwifi.conf:&& /sbin/modprobe -r mac80211
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
sudo: hwinfo: command not found
root 745 0.0 0.1 53188 9672 ? Ssl 06:03 0:00 NetworkManager
root 885 0.0 0.0 6932 5136 ? Ss 06:03 0:00 /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant
root 1205 0.0 0.0 5524 4636 ? S 06:03 0:00 /sbin/dhclient -d -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /run/sendsigs.omit.d/network-manager.dhclient-wlan0.pid -lf /var/lib/NetworkManager/dhclient-774b9ac2-14e0-4d9e-b679-31e031e22b52-wlan0.lease -cf /var/lib/NetworkManager/dhclient-wlan0.conf wlan0
nobody 1231 0.0 0.0 5560 3048 ? S 06:03 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/run/sendsigs.omit.d/network-manager.dnsmasq.pid --listen-address=127.0.1.1 --conf-file=/var/run/NetworkManager/dnsmasq.conf --cache-size=0 --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
root 2723 0.0 0.0 5524 4640 ? S 06:14 0:00 /sbin/dhclient -d -sf /usr/lib/NetworkManager/nm-dhcp-client.action -pf /run/sendsigs.omit.d/network-manager.dhclient-eth0.pid -lf /var/lib/NetworkManager/dhclient-aad5f232-57fc-44e9-ba2e-ecc349a7b310-eth0.lease -cf /var/lib/NetworkManager/dhclient-eth0.conf eth0
val 2948 0.0 0.0 4696 2140 pts/0 S+ 06:18 0:00 grep --color=auto -E wpa|icd|etwork
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 wlan0
# Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
# DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
nameserver 127.0.1.1
total 117436
14680065 drwxr-xr-x 3 root root 4096 feb 20 04:31 .
       2 drwxr-xr-x 22 root root 4096 feb 20 04:30 ..
14680068 -rw-r--r-- 1 root root 1266546 lug 25 2015 abi-3.19.0-25-generic
14680357 -rw-r--r-- 1 root root 1267894 dic 31 18:55 abi-3.19.0-43-generic
14680364 -rw-r--r-- 1 root root 1267894 gen 18 18:39 abi-3.19.0-47-generic
14680367 -rw-r--r-- 1 root root 1268033 gen 22 14:03 abi-3.19.0-49-generic
14680069 -rw-r--r-- 1 root root 182014 lug 25 2015 config-3.19.0-25-generic
14680359 -rw-r--r-- 1 root root 182043 dic 31 18:55 config-3.19.0-43-generic
14680365 -rw-r--r-- 1 root root 182043 gen 18 18:39 config-3.19.0-47-generic
14680370 -rw-r--r-- 1 root root 182043 gen 22 14:03 config-3.19.0-49-generic
14680066 drwxr-xr-x 5 root root 4096 feb 20 04:31 grub
14680356 -rw-r--r-- 1 root root 19383111 gen 11 15:13 initrd.img-3.19.0-25-generic
14680362 -rw-r--r-- 1 root root 19387576 gen 11 17:09 initrd.img-3.19.0-43-generic
14680360 -rw-r--r-- 1 root root 19387518 feb 20 04:25 initrd.img-3.19.0-47-generic
14680372 -rw-r--r-- 1 root root 19391402 feb 20 04:31 initrd.img-3.19.0-49-generic
14680070 -rw-r--r-- 1 root root 176500 mar 12 2014 memtest86+.bin
14680071 -rw-r--r-- 1 root root 178176 mar 12 2014 memtest86+.elf
14680072 -rw-r--r-- 1 root root 178680 mar 12 2014 memtest86+_multiboot.bin
14680067 -rw------- 1 root root 2877917 lug 25 2015 System.map-3.19.0-25-generic
14680075 -rw------- 1 root root 2882852 dic 31 18:55 System.map-3.19.0-43-generic
14680363 -rw------- 1 root root 2882852 gen 18 18:39 System.map-3.19.0-47-generic
14680368 -rw------- 1 root root 2883769 gen 22 14:03 System.map-3.19.0-49-generic
14680074 -rw-r--r-- 1 root root 6191392 ago 5 2015 vmlinuz-3.19.0-25-generic
14680358 -rw------- 1 root root 6196096 dic 31 18:55 vmlinuz-3.19.0-43-generic
14680361 -rw------- 1 root root 6196128 gen 18 18:39 vmlinuz-3.19.0-47-generic
14680369 -rw------- 1 root root 6198816 gen 22 14:03 vmlinuz-3.19.0-49-generic
Support status summary of 'val-Lenovo-B50-10':

You have 31 packages (1.7%) supported until febbraio 2015 (9m)
You have 1669 packages (93.6%) supported until maggio 2019 (5y)
You have 25 packages (1.4%) supported until maggio 2017 (3y)
You have 57 packages (3.2%) supported until novembre 2016 (9m)

You have 1 packages (0.1%) that can not/no-longer be downloaded
You have 1 packages (0.1%) that are unsupported

Run with --show-unsupported, --show-supported or --show-all to see more details
Downloaded daily snapshot dated 2016-02-17 03:15:02
--2016-02-20 06:18:20-- http://www.linux-usb.org/usb.ids
Resolving www.linux-usb.org (www.linux-usb.org)... 216.34.181.97
Connecting to www.linux-usb.org (www.linux-usb.org)|216.34.181.97|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 559954 (547K) [text/plain]
Saving to: ‘/var/lib/usbutils/usb.ids.new’

100%[======================================>] 559.954 143KB/s in 3,8s

2016-02-20 06:18:24 (143 KB/s) - ‘/var/lib/usbutils/usb.ids.new’ saved [559954/559954]

Done.
Module Size Used by
ctr 16384 1
ccm 20480 1
rfcomm 61440 8
bnep 20480 2
uvcvideo 73728 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_core 49152 1 uvcvideo
v4l2_common 16384 1 videobuf2_core
videodev 139264 3 uvcvideo,v4l2_common,videobuf2_core
media 24576 2 uvcvideo,videodev
intel_rapl 20480 0
intel_soc_dts_thermal 16384 0
intel_powerclamp 20480 0
coretemp 16384 0
kvm_intel 139264 0
arc4 16384 2
kvm 413696 1 kvm_intel
rtl8723be 86016 0
btcoexist 49152 1 rtl8723be
rtl8723_common 24576 1 rtl8723be
rtl_pci 28672 1 rtl8723be
crc32_pclmul 16384 0
rtlwifi 65536 2 rtl_pci,rtl8723be
snd_hda_codec_hdmi 49152 1
mac80211 618496 3 rtl_pci,rtlwifi,rtl8723be
snd_hda_codec_realtek 69632 1
snd_hda_codec_generic 65536 1 snd_hda_codec_realtek
rtsx_pci_ms 20480 0
memstick 16384 1 rtsx_pci_ms
cfg80211 450560 2 mac80211,rtlwifi
joydev 20480 0
serio_raw 16384 0
btusb 36864 0
bluetooth 430080 22 bnep,btusb,rfcomm
lpc_ich 20480 0
snd_intel_sst_acpi 16384 0
snd_intel_sst_core 65536 1 snd_intel_sst_acpi
snd_soc_sst_mfld_platform 61440 1 snd_intel_sst_core
snd_soc_core 167936 1 snd_soc_sst_mfld_platform
snd_hda_intel 32768 4 snd_hda_codec_hdmi
wmi 20480 0
snd_hda_controller 32768 1 snd_hda_intel
snd_compress 20480 1 snd_soc_core
snd_hda_codec 122880 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_pcm_dmaengine 16384 1 snd_soc_core
ideapad_laptop 20480 0
sparse_keymap 16384 1 ideapad_laptop
snd_hwdep 16384 1 snd_hda_codec
8250_fintek 16384 0
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 28672 1 snd_seq_midi
snd_pcm 94208 7 snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_soc_sst_mfld_platform,snd_hda_controller,snd_pcm_dmaengine
int3400_thermal 16384 0
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
acpi_thermal_rel 16384 1 int3400_thermal
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_soc_sst_acpi 16384 0
snd_timer 28672 2 snd_pcm,snd_seq
processor_thermal_device 16384 0
snd 69632 20 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_soc_sst_mfld_platform,snd_seq_device,snd_compress
int3403_thermal 16384 0
intel_smartconnect 16384 0
soundcore 16384 2 snd,snd_hda_codec
shpchp 32768 0
mac_hid 16384 0
mei_txe 20480 0
i915 921600 3
mei 77824 1 mei_txe
video 20480 1 i915
drm_kms_helper 114688 1 i915
drm 286720 5 i915,drm_kms_helper
iosf_mbi 16384 2 intel_soc_dts_thermal,intel_rapl
parport_pc 32768 0
i2c_algo_bit 16384 1 i915
ppdev 20480 0
lp 16384 0
parport 40960 3 lp,ppdev,parport_pc
rtsx_pci_sdmmc 24576 0
psmouse 102400 0
r8169 73728 0
mii 16384 1 r8169
rtsx_pci 49152 2 rtsx_pci_ms,rtsx_pci_sdmmc
ahci 28672 2
libahci 32768 1 ahci