Wireless issue unable to detect wifi

Asked by Preetish Poojari on 2018-08-16

preet@preet:~$ 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
Hit:1 http://archive.ubuntu.com/ubuntu xenial InRelease
Get:2 http://archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]
Get:4 http://archive.ubuntu.com/ubuntu xenial-security InRelease [107 kB]
Get:5 http://archive.ubuntu.com/ubuntu xenial-updates/main i386 DEP-11 Metadata [320 kB]
Get:6 http://archive.ubuntu.com/ubuntu xenial-updates/main DEP-11 64x64 Icons [227 kB]
Get:7 http://archive.ubuntu.com/ubuntu xenial-updates/universe i386 DEP-11 Metadata [250 kB]
Get:8 http://archive.ubuntu.com/ubuntu xenial-updates/universe DEP-11 64x64 Icons [325 kB]
Get:9 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 Packages [15.5 kB]
Get:10 http://archive.ubuntu.com/ubuntu xenial-updates/multiverse i386 DEP-11 Metadata [7,168 B]
Get:11 http://archive.ubuntu.com/ubuntu xenial-backports/main i386 DEP-11 Metadata [3,328 B]
Get:12 http://archive.ubuntu.com/ubuntu xenial-backports/universe i386 DEP-11 Metadata [5,100 B]
Get:13 http://archive.ubuntu.com/ubuntu xenial-security/main i386 DEP-11 Metadata [67.7 kB]
Get:14 http://archive.ubuntu.com/ubuntu xenial-security/main DEP-11 64x64 Icons [68.0 kB]
Get:15 http://archive.ubuntu.com/ubuntu xenial-security/universe i386 DEP-11 Metadata [107 kB]
Get:16 http://archive.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons [142 kB]
Get:17 http://archive.ubuntu.com/ubuntu xenial-security/multiverse i386 Packages [3,632 B]
Fetched 1,864 kB in 2s (659 kB/s)
Reading package lists... Done
Reading package lists... Done
Building dependency tree
Reading state information... Done
usbutils is already the newest version (1:007-4).
grep is already the newest version (2.25-1~16.04.1).
pciutils is already the newest version (1:3.3.1-1.1ubuntu1.2).
rfkill is already the newest version (0.5-1ubuntu3.1).
The following additional packages will be installed:
  libhd21 libx86emu1
The following NEW packages will be installed:
  hwinfo libhd21 libx86emu1
0 upgraded, 3 newly installed, 0 to remove and 47 not upgraded.
Need to get 749 kB of archives.
After this operation, 3,191 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://archive.ubuntu.com/ubuntu xenial/universe i386 libx86emu1 i386 1.5-1 [50.2 kB]
Get:2 http://archive.ubuntu.com/ubuntu xenial/universe i386 libhd21 i386 21.23-1 [682 kB]
Get:3 http://archive.ubuntu.com/ubuntu xenial/universe i386 hwinfo i386 21.23-1 [17.5 kB]
Fetched 749 kB in 3s (201 kB/s)
Selecting previously unselected package libx86emu1:i386.
(Reading database ... 209796 files and directories currently installed.)
Preparing to unpack .../libx86emu1_1.5-1_i386.deb ...
Unpacking libx86emu1:i386 (1.5-1) ...
Selecting previously unselected package libhd21:i386.
Preparing to unpack .../libhd21_21.23-1_i386.deb ...
Unpacking libhd21:i386 (21.23-1) ...
Selecting previously unselected package hwinfo.
Preparing to unpack .../hwinfo_21.23-1_i386.deb ...
Unpacking hwinfo (21.23-1) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up libx86emu1:i386 (1.5-1) ...
Setting up libhd21:i386 (21.23-1) ...
Setting up hwinfo (21.23-1) ...
Processing triggers for libc-bin (2.23-0ubuntu10) ...
  *-network UNCLAIMED
       description: Network controller
       product: BCM43142 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       version: 01
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:90300000-90307fff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: enp4s0
       version: 0c
       serial: 30:f9:ed:a9:6b:ca
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd 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=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.31.191 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:18 ioport:2000(size=256) memory:90100000-90100fff memory:90000000-90003fff
0: sony-wifi: Wireless LAN
 Soft blocked: no
 Hard blocked: no
1: sony-bluetooth: Bluetooth
 Soft blocked: no
 Hard blocked: no
2: hci0: Bluetooth
 Soft blocked: no
 Hard blocked: no
enp4s0 Interface doesn't support scanning.

lo 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=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.5 LTS"
02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
 Subsystem: Foxconn International, Inc. BCM43142 802.11b/g/n [105b:e071]
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader [10ec:5227] (rev 01)
--
04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
 Subsystem: Sony Corporation RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [104d:90c1]
 Kernel driver in use: r8169
 Kernel modules: r8169
Bus 002 Device 003: ID 0bda:5729 Realtek Semiconductor Corp.
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 002: ID 0489:e062 Foxconn / Hon Hai
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 04ca:0061 Lite-On Technology Corp.
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Error: Object 'nm' is unknown, try 'nmcli help'.
H/W path Device Class Description
====================================================
                             system SVF15413SNB (54619454)
/0 bus VAIO
/0/0 memory 128KiB BIOS
/0/4 processor AMD A8-5545M APU with Radeon(tm) HD Gra
/0/4/5 memory 80KiB L1 cache
/0/4/6 memory 2MiB L2 cache
/0/8 memory 2GiB System Memory
/0/8/0 memory [empty]
/0/8/1 memory 2GiB SODIMM DDR3
/0/100 bridge Family 15h (Models 10h-1fh) Processor R
/0/100/1 display Richland [Radeon HD 8510G]
/0/100/1.1 multimedia Trinity HDMI Audio Controller
/0/100/10 bus FCH USB XHCI Controller
/0/100/10/0 usb5 bus xHCI Host Controller
/0/100/10/1 usb6 bus xHCI Host Controller
/0/100/11 storage FCH SATA Controller [AHCI mode]
/0/100/12 bus FCH USB OHCI Controller
/0/100/12/1 usb3 bus OHCI PCI host controller
/0/100/12/1/2 input USB Optical Mouse
/0/100/12.2 bus FCH USB EHCI Controller
/0/100/12.2/1 usb1 bus EHCI Host Controller
/0/100/13 bus FCH USB OHCI Controller
/0/100/13/1 usb4 bus OHCI PCI host controller
/0/100/13/1/2 generic BCM43142A0
/0/100/13.2 bus FCH USB EHCI Controller
/0/100/13.2/1 usb2 bus EHCI Host Controller
/0/100/13.2/1/3 multimedia Front Camera
/0/100/14 bus FCH SMBus Controller
/0/100/14.2 multimedia FCH Azalia Controller
/0/100/14.3 bridge FCH LPC Bridge
/0/100/14.4 bridge FCH PCI Bridge
/0/100/14.7 generic FCH SD Flash Controller
/0/100/15 bridge Hudson PCI to PCI bridge (PCIE port 0)
/0/100/15/0 network BCM43142 802.11b/g/n
/0/100/15.1 bridge Hudson PCI to PCI bridge (PCIE port 1)
/0/100/15.1/0 generic RTS5227 PCI Express Card Reader
/0/100/15.2 bridge Hudson PCI to PCI bridge (PCIE port 2)
/0/100/15.2/0 enp4s0 network RTL8111/8168/8411 PCI Express Gigabit E
/0/101 bridge Family 15h (Models 10h-1fh) Processor F
/0/102 bridge Family 15h (Models 10h-1fh) Processor F
/0/103 bridge Family 15h (Models 10h-1fh) Processor F
/0/104 bridge Family 15h (Models 10h-1fh) Processor F
/0/105 bridge Family 15h (Models 10h-1fh) Processor F
/0/106 bridge Family 15h (Models 10h-1fh) Processor F
/0/1 scsi0 storage
/0/1/0.0.0 /dev/sda disk 500GB HGST HTS545050A7
/0/1/0.0.0/1 /dev/sda1 volume 464GiB EXT4 volume
/0/1/0.0.0/2 /dev/sda2 volume 975MiB Extended partition
/0/1/0.0.0/2/5 /dev/sda5 volume 975MiB Linux swap / Solaris partition
/0/2 scsi1 storage
/0/2/0.0.0 /dev/cdrom disk DVD-RAM UJ8E2
Linux preet 4.15.0-29-generic #31~16.04.1-Ubuntu SMP Wed Jul 18 10:19:08 UTC 2018 i686 athlon i686 GNU/Linux
[ 0.000000] found SMP MP-table at [mem 0x000fe1b0-0x000fe1bf] mapped at [(ptrval)]
[ 0.000000] APIC: Switch to symmetric I/O mode setup
[ 0.024000] [Firmware Info]: CPU: Re-enabling disabled Topology Extensions Support.
[ 0.024000] Spectre V2 : Spectre v2 mitigation: Filling RSB on context switch
[ 0.046202] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored
[ 0.053541] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-0f] only partially covers this bridge
[ 0.066137] pci 0000:02:00.0: [14e4:4365] type 00 class 0x028000
[ 0.066181] pci 0000:02:00.0: reg 0x10: [mem 0x90300000-0x90307fff 64bit]
[ 0.066252] pci 0000:02:00.0: enabling Extended Tags
[ 0.066346] pci 0000:02:00.0: supports D1 D2
[ 0.066348] pci 0000:02:00.0: PME# supported from D0 D3hot D3cold
[ 0.116078] usbcore: registered new interface driver usbfs
[ 0.116089] usbcore: registered new interface driver hub
[ 0.116117] usbcore: registered new device driver usb
[ 0.122257] clocksource: Switched to clocksource hpet
[ 0.139405] pnp: PnP ACPI: found 6 devices
[ 2.367981] Console: switching to colour frame buffer device 170x48
[ 2.371180] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input1
[ 2.371248] ACPI: Lid Switch [LID0]
[ 2.486259] ehci-pci 0000:00:12.2: applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround
[ 2.500254] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.500257] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.500259] usb usb1: Product: EHCI Host Controller
[ 2.500261] usb usb1: Manufacturer: Linux 4.15.0-29-generic ehci_hcd
[ 2.500262] usb usb1: SerialNumber: 0000:00:12.2
[ 2.538603] hub 1-0:1.0: USB hub found
[ 2.643669] ehci-pci 0000:00:13.2: applying AMD SB700/SB800/Hudson-2/3 EHCI dummy qh workaround
[ 2.656244] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.656246] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.656248] usb usb2: Product: EHCI Host Controller
[ 2.656250] usb usb2: Manufacturer: Linux 4.15.0-29-generic ehci_hcd
[ 2.656252] usb usb2: SerialNumber: 0000:00:13.2
[ 2.687696] hub 2-0:1.0: USB hub found
[ 2.738764] isapnp: No Plug & Play device found
[ 2.804436] usb usb3: New USB device found, idVendor=1d6b, idProduct=0001
[ 2.804441] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.804443] usb usb3: Product: OHCI PCI host controller
[ 2.804445] usb usb3: Manufacturer: Linux 4.15.0-29-generic ohci_hcd
[ 2.804447] usb usb3: SerialNumber: 0000:00:12.0
[ 2.804779] hub 3-0:1.0: USB hub found
[ 2.868232] usb usb4: New USB device found, idVendor=1d6b, idProduct=0001
[ 2.868235] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.868237] usb usb4: Product: OHCI PCI host controller
[ 2.868239] usb usb4: Manufacturer: Linux 4.15.0-29-generic ohci_hcd
[ 2.868240] usb usb4: SerialNumber: 0000:00:13.0
[ 2.868507] hub 4-0:1.0: USB hub found
[ 2.869726] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.869728] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.869730] usb usb5: Product: xHCI Host Controller
[ 2.869731] usb usb5: Manufacturer: Linux 4.15.0-29-generic xhci-hcd
[ 2.869732] usb usb5: SerialNumber: 0000:00:10.0
[ 2.869917] hub 5-0:1.0: USB hub found
[ 2.872783] usb usb6: We don't know the algorithms for LPM for this host, disabling LPM.
[ 2.872805] usb usb6: New USB device found, idVendor=1d6b, idProduct=0003
[ 2.872807] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.872809] usb usb6: Product: xHCI Host Controller
[ 2.872810] usb usb6: Manufacturer: Linux 4.15.0-29-generic xhci-hcd
[ 2.872812] usb usb6: SerialNumber: 0000:00:10.0
[ 2.872966] hub 6-0:1.0: USB hub found
[ 2.904309] ima: No TPM chip found, activating TPM-bypass! (rc=-19)
[ 2.906003] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found
[ 2.940819] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 3.144049] sdhci-pci 0000:00:14.7: SDHCI controller found [1022:7806] (rev 0)
[ 3.153808] r8169 0000:04:00.0 eth0: RTL8168g/8111g at 0x(ptrval), 30:f9:ed:a9:6b:ca, XID 0c000800 IRQ 34
[ 3.153818] r8169 0000:04:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
[ 3.155512] r8169 0000:04:00.0 enp4s0: renamed from eth0
[ 3.196096] usb 3-2: new low-speed USB device number 2 using ohci-pci
[ 3.267848] fb: switching to radeondrmfb from VESA VGA
[ 3.267885] Console: switching to colour dummy device 80x25
[ 3.272753] [drm] Found VCE firmware/feedback version 50.0.1 / 17!
[ 3.391302] usb 3-2: New USB device found, idVendor=04ca, idProduct=0061
[ 3.391307] usb 3-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3.391310] usb 3-2: Product: USB Optical Mouse
[ 3.391313] usb 3-2: Manufacturer: PixArt
[ 3.462663] usbcore: registered new interface driver usbhid
[ 3.462666] usbhid: USB HID core driver
[ 3.470182] input: PixArt USB Optical Mouse as /devices/pci0000:00/0000:00:12.0/usb3/3-2/3-2:1.0/0003:04CA:0061.0001/input/input7
[ 3.470559] hid-generic 0003:04CA:0061.0001: input,hidraw0: USB HID v1.11 Mouse [PixArt USB Optical Mouse] on usb-0000:00:12.0-2/input0
[ 3.531120] usb 4-2: new full-speed USB device number 2 using ohci-pci
[ 3.763333] usb 4-2: New USB device found, idVendor=0489, idProduct=e062
[ 3.763338] usb 4-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3.763342] usb 4-2: Product: BCM43142A0
[ 3.763345] usb 4-2: Manufacturer: Broadcom Corp
[ 3.763350] usb 4-2: SerialNumber: 3C77E6E25AFC
[ 3.980241] usb 2-3: new high-speed USB device number 3 using ehci-pci
[ 4.178289] usb 2-3: New USB device found, idVendor=0bda, idProduct=5729
[ 4.178294] usb 2-3: New USB device strings: Mfr=3, Product=1, SerialNumber=2
[ 4.178297] usb 2-3: Product: Front Camera
[ 4.178299] usb 2-3: Manufacturer: LOEB0133A12286F
[ 4.178302] usb 2-3: SerialNumber: 200901010001
[ 4.412460] clocksource: Switched to clocksource tsc
[ 6.265936] Console: switching to colour frame buffer device 170x48
[ 12.960626] lp: driver loaded but no devices found
[ 20.779546] EXT4-fs (sda1): re-mounted. Opts: errors=remount-ro
[ 23.032714] usbcore: registered new interface driver btusb
[ 23.208225] bluetooth hci0: Direct firmware load for brcm/BCM.hcd failed with error -2
[ 23.208232] Bluetooth: hci0: BCM: Patch brcm/BCM.hcd not found
[ 23.886539] uvcvideo: Found UVC 1.00 device Front Camera (0bda:5729)
[ 23.902365] input: Front Camera: Front Camera as /devices/pci0000:00/0000:00:13.2/usb2/2-3/2-3:1.0/input/input10
[ 23.902517] usbcore: registered new interface driver uvcvideo
[ 24.657766] input: HDA ATI HDMI HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:01.1/sound/card0/input11
[ 24.657930] input: HDA ATI HDMI HDMI/DP,pcm=7 as /devices/pci0000:00/0000:00:01.1/sound/card0/input12
[ 24.744271] input: HD-Audio Generic Mic as /devices/pci0000:00/0000:00:14.2/sound/card1/input13
[ 24.744460] input: HD-Audio Generic Headphone as /devices/pci0000:00/0000:00:14.2/sound/card1/input14
[ 1144.179296] Modules linked in: rfcomm bnep snd_hda_codec_realtek snd_hda_codec_hdmi snd_hda_codec_generic snd_hda_intel snd_hda_codec edac_mce_amd snd_hda_core snd_hwdep uvcvideo snd_pcm kvm videobuf2_vmalloc videobuf2_memops snd_seq_midi videobuf2_v4l2 snd_seq_midi_event irqbypass snd_rawmidi btusb btrtl btbcm btintel videobuf2_core snd_seq snd_seq_device snd_timer bluetooth videodev joydev input_leds crc32_pclmul snd media ecdh_generic pcbc rtsx_pci_ms aesni_intel aes_i586 soundcore crypto_simd serio_raw memstick cryptd k10temp shpchp sony_laptop mac_hid i2c_piix4 parport_pc ppdev lp parport autofs4 hid_generic usbhid hid radeon i2c_algo_bit ttm drm_kms_helper rtsx_pci_sdmmc syscopyarea sysfillrect sysimgblt r8169 psmouse fb_sys_fops drm mii sdhci_pci ahci rtsx_pci sdhci libahci video
[ 1144.179448] EAX: 00000041 EBX: 00001000 ECX: f68e9630 EDX: 00000007
[ 1144.179540] EAX: ffffffda EBX: 00000003 ECX: bfa25f14 EDX: 00000400
 Release Date: 07/29/2013
 Manufacturer: Sony Corporation
 Product Name: SVF15413SNB
 Serial Number: 54619454-0003333
 Manufacturer: Sony Corporation
 Product Name: VAIO
 Serial Number: N/A
 Manufacturer: Sony Corporation
 Serial Number: N/A
 Manufacturer: AMD processor
 Serial Number: N/A
enp4s0 no wireless extensions.

lo 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-bcm43.conf:# Warning: This file is autogenerated by bcmwl. All changes to this file will be lost.
/etc/modprobe.d/blacklist-bcm43.conf:blacklist b43
/etc/modprobe.d/blacklist-bcm43.conf:blacklist b43legacy
/etc/modprobe.d/blacklist-bcm43.conf:blacklist bcm43xx
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcm80211
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcmfmac
/etc/modprobe.d/blacklist-bcm43.conf:blacklist brcmsmac
/etc/modprobe.d/blacklist-bcm43.conf:blacklist bcma
/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
19: PCI 400.0: 0200 Ethernet controller
  [Created at pci.366]
  Unique ID: Ljo_.jKcGuyFRei0
  Parent ID: AKhP.F4Q0krRZM+1
  SysFS ID: /devices/pci0000:00/0000:00:15.2/0000:04:00.0
  SysFS BusID: 0000:04:00.0
  Hardware Class: network
  Model: "Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
  Vendor: pci 0x10ec "Realtek Semiconductor Co., Ltd."
  Device: pci 0x8168 "RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller"
  SubVendor: pci 0x104d "Sony Corporation"
  SubDevice: pci 0x90c1
  Revision: 0x0c
  Driver: "r8169"
  Driver Modules: "r8169"
  Device File: enp4s0
  I/O Ports: 0x2000-0x2fff (rw)
  Memory Range: 0x90100000-0x90100fff (rw,non-prefetchable)
  Memory Range: 0x90000000-0x90003fff (ro,non-prefetchable)
  IRQ: 18 (56601 events)
  HW Address: 30:f9:ed:a9:6b:ca
  Link detected: yes
  Module Alias: "pci:v000010ECd00008168sv0000104Dsd000090C1bc02sc00i00"
  Driver Info #0:
    Driver Status: r8169 is active
    Driver Activation Cmd: "modprobe r8169"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #10 (PCI bridge)

30: PCI 200.0: 0280 Network controller
  [Created at pci.366]
  Unique ID: B35A.RmJCVPsqoM1
  Parent ID: Rgik.DFXWmiC9JE1
  SysFS ID: /devices/pci0000:00/0000:00:15.0/0000:02:00.0
  SysFS BusID: 0000:02:00.0
  Hardware Class: network
  Model: "Broadcom BCM43142 802.11b/g/n"
  Vendor: pci 0x14e4 "Broadcom"
  Device: pci 0x4365 "BCM43142 802.11b/g/n"
  SubVendor: pci 0x105b "Foxconn International, Inc."
  SubDevice: pci 0xe071
  Revision: 0x01
  Memory Range: 0x90300000-0x90307fff (rw,non-prefetchable)
  IRQ: 4 (no events)
  Module Alias: "pci:v000014E4d00004365sv0000105Bsd0000E071bc02sc80i00"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #13 (PCI bridge)
root 740 0.0 1.0 83564 15328 ? Ssl Aug16 0:00 /usr/sbin/NetworkManager --no-daemon
nobody 920 0.0 0.2 9120 3764 ? S Aug16 0:00 /usr/sbin/dnsmasq --no-resolv --keep-in-foreground --no-hosts --bind-interfaces --pid-file=/var/run/NetworkManager/dnsmasq.pid --listen-address=127.0.1.1 --cache-size=0 --conf-file=/dev/null --proxy-dnssec --enable-dbus=org.freedesktop.NetworkManager.dnsmasq --conf-dir=/etc/NetworkManager/dnsmasq.d
preet 1997 0.0 0.5 60396 7692 ? Sl Aug16 0:00 /usr/lib/gvfs/gvfsd-network --spawner :1.4 /org/gtk/gvfs/exec_spaw/5
preet 2288 0.0 2.4 294748 35856 ? SLl 00:10 0:00 /usr/lib/i386-linux-gnu/webkit2gtk-4.0/WebKitNetworkProcess 2 16
root 3045 0.0 0.2 6016 3240 ? S 00:28 0:00 /sbin/dhclient -d -q -sf /usr/lib/NetworkManager/nm-dhcp-helper -pf /var/run/dhclient-enp4s0.pid -lf /var/lib/NetworkManager/dhclient-ee040f42-cab3-39f4-810d-31e128dcc17a-enp4s0.lease -cf /var/lib/NetworkManager/dhclient-enp4s0.conf enp4s0
preet 3585 0.0 0.0 5112 828 pts/17 S+ 00:40 0:00 grep --color=auto -E wpa|icd|etwork
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 192.168.31.1 0.0.0.0 UG 0 0 0 enp4s0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 enp4s0
192.168.31.0 0.0.0.0 255.255.255.0 U 0 0 0 enp4s0
# 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 112436
2752513 drwxr-xr-x 3 root root 4096 Aug 16 23:57 .
      2 drwxr-xr-x 23 root root 4096 Aug 16 23:55 ..
2752516 -rw-r--r-- 1 root root 1524926 Jul 18 20:05 abi-4.15.0-29-generic
2752809 -rw-r--r-- 1 root root 1245511 Aug 10 14:46 abi-4.4.0-133-generic
2752517 -rw-r--r-- 1 root root 218413 Jul 18 20:05 config-4.15.0-29-generic
2752526 -rw-r--r-- 1 root root 193963 Aug 10 14:46 config-4.4.0-133-generic
2752514 drwxr-xr-x 5 root root 4096 Aug 16 23:57 grub
2752807 -rw-r--r-- 1 root root 51117854 Aug 17 2018 initrd.img-4.15.0-29-generic
2752806 -rw-r--r-- 1 root root 39516363 Aug 16 23:57 initrd.img-4.4.0-133-generic
2752518 -rw-r--r-- 1 root root 182704 Jan 28 2016 memtest86+.bin
2752519 -rw-r--r-- 1 root root 184380 Jan 28 2016 memtest86+.elf
2752520 -rw-r--r-- 1 root root 184840 Jan 28 2016 memtest86+_multiboot.bin
2752521 -rw-r--r-- 1 root root 583 Jul 18 20:05 retpoline-4.15.0-29-generic
2752810 -rw-r--r-- 1 root root 1030 Aug 10 14:46 retpoline-4.4.0-133-generic
2752515 -rw------- 1 root root 3157184 Jul 18 20:05 System.map-4.15.0-29-generic
2752811 -rw------- 1 root root 3114270 Aug 10 14:46 System.map-4.4.0-133-generic
2752524 -rw-r--r-- 1 root root 7537856 Jul 31 06:29 vmlinuz-4.15.0-29-generic
2752808 -rw------- 1 root root 6905152 Aug 10 14:46 vmlinuz-4.4.0-133-generic
Support status summary of 'preet':

You have 1738 packages (99.6%) supported until April 2021 (Canonical - 5y)
You have 4 packages (0.2%) supported until April 2019 (Community - 3y)

You have 0 packages (0.0%) that can not/no-longer be downloaded
You have 3 packages (0.2%) that are unsupported

Run with --show-unsupported, --show-supported or --show-all to see more details
Downloaded daily snapshot dated 2018-08-12 03:15:01
--2018-08-17 00:40:56-- http://www.linux-usb.org/usb.ids
Resolving www.linux-usb.org (www.linux-usb.org)... 216.105.38.10
Connecting to www.linux-usb.org (www.linux-usb.org)|216.105.38.10|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 597855 (584K) [text/plain]
Saving to: ‘/var/lib/usbutils/usb.ids.new’

/var/lib/usbutils/u 100%[===================>] 583.84K 405KB/s in 1.4s

2018-08-17 00:40:59 (405 KB/s) - ‘/var/lib/usbutils/usb.ids.new’ saved [597855/597855]

Done.
Module Size Used by
rfcomm 65536 0
bnep 20480 2
snd_hda_codec_realtek 86016 1
snd_hda_codec_hdmi 45056 1
snd_hda_codec_generic 69632 1 snd_hda_codec_realtek
snd_hda_intel 36864 5
snd_hda_codec 106496 4 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
edac_mce_amd 28672 0
snd_hda_core 65536 5 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec_realtek
snd_hwdep 16384 1 snd_hda_codec
uvcvideo 81920 0
snd_pcm 86016 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
kvm 520192 0
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
snd_seq_midi 16384 0
videobuf2_v4l2 20480 1 uvcvideo
snd_seq_midi_event 16384 1 snd_seq_midi
irqbypass 16384 1 kvm
snd_rawmidi 28672 1 snd_seq_midi
btusb 40960 0
btrtl 16384 1 btusb
btbcm 16384 1 btusb
btintel 16384 1 btusb
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
snd_seq 57344 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 28672 2 snd_seq,snd_pcm
bluetooth 479232 31 btrtl,btintel,bnep,btbcm,rfcomm,btusb
videodev 151552 3 uvcvideo,videobuf2_core,videobuf2_v4l2
joydev 20480 0
input_leds 16384 0
crc32_pclmul 16384 0
snd 65536 21 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_hda_codec_realtek,snd_pcm
media 32768 2 uvcvideo,videodev
ecdh_generic 28672 1 bluetooth
pcbc 16384 0
rtsx_pci_ms 20480 0
aesni_intel 20480 0
aes_i586 20480 1 aesni_intel
soundcore 16384 1 snd
crypto_simd 16384 1 aesni_intel
serio_raw 16384 0
memstick 16384 1 rtsx_pci_ms
cryptd 24576 1 crypto_simd
k10temp 16384 0
shpchp 32768 0
sony_laptop 49152 0
mac_hid 16384 0
i2c_piix4 24576 0
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 45056 3 lp,parport_pc,ppdev
autofs4 40960 2
hid_generic 16384 0
usbhid 49152 0
hid 98304 2 hid_generic,usbhid
radeon 1413120 59
i2c_algo_bit 16384 1 radeon
ttm 94208 1 radeon
drm_kms_helper 151552 1 radeon
rtsx_pci_sdmmc 24576 0
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
r8169 81920 0
psmouse 131072 0
fb_sys_fops 16384 1 drm_kms_helper
drm 344064 6 radeon,ttm,drm_kms_helper
mii 16384 1 r8169
sdhci_pci 28672 0
ahci 36864 2
rtsx_pci 57344 2 rtsx_pci_sdmmc,rtsx_pci_ms
sdhci 45056 1 sdhci_pci
libahci 32768 1 ahci
video 40960 1 sony_laptop

Question information

Language:
English Edit question
Status:
Solved
For:
Ubuntu gnome-nettool Edit question
Assignee:
No assignee Edit question
Solved by:
Manfred Hampl
Solved:
2018-08-17
Last query:
2018-08-17
Last reply:
2018-08-16

I have tried with installing additional drivers from software and updates..

I agree with Manfred's suggestion.

Source: https://answers.launchpad.net/ubuntu/+question/402790

Thanks Manfred Hampl, that solved my question.

Really appreciated.. it was indeed helpful.. you guys are amazing :-)