[SOLVED] wifi not working after update

[sri1]

Hi I have been using linux mint serena KDE 64 bit for the last one year. i did not have any problems but recently after i updated the wifi stopped working . I am currently using my phone to connect to the internet. can someone please help me out.

Here are a few commands which might be helpfull

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sri@sri-pc ~ $ inxi -FZ
System:    Host: sri-pc Kernel: 4.4.0-116-generic x86_64 (64 bit) Desktop: KDE Plasma 5.8.9
           Distro: Linux Mint 18.1 Serena
Machine:   System: Dell (portable) product: Vostro 2420
           Mobo: Dell model: 0VCMX3 v: A08 Bios: Dell v: A08 date: 05/18/2013
CPU:       Dual core Intel Core i5-3230M (-HT-MCP-) cache: 3072 KB 
           clock speeds: max: 3200 MHz 1: 1492 MHz 2: 1205 MHz 3: 1401 MHz 4: 1202 MHz
Graphics:  Card: Intel 3rd Gen Core processor Graphics Controller
           Display Server: X.Org 1.18.4 drivers: intel (unloaded: fbdev,vesa)
           Resolution: 1366x768@60.01hz
           GLX Renderer: Mesa DRI Intel Ivybridge Mobile GLX Version: 3.0 Mesa 11.2.0
Audio:     Card Intel 7 Series/C210 Series Family High Definition Audio Controller
           driver: snd_hda_intel
           Sound: Advanced Linux Sound Architecture v: k4.4.0-116-generic
Network:   Card-1: Broadcom BCM43142 802.11b/g/n driver: wl
           IF: wlp7s0 state: dormant mac: f8:2f:a8:c1:64:17
           Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169
           IF: enp9s0 state: down mac: e0:db:55:ad:99:73
Drives:    HDD Total Size: 500.1GB (28.5% used) ID-1: /dev/sda model: ST500LT012 size: 500.1GB
Partition: ID-1: / size: 59G used: 22G (39%) fs: ext4 dev: /dev/sda5
           ID-2: /home size: 55G used: 22G (42%) fs: ext4 dev: /dev/sda7
           ID-3: swap-1 size: 9.00GB used: 0.00GB (0%) fs: swap dev: /dev/sda6
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 51.0C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 201 Uptime: 29 min Memory: 1694.3/7850.2MB Client: Shell (bash) inxi: 2.2.35 

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sri@sri-pc ~ $ rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: brcmwl-0: Wireless LAN
        Soft blocked: no
        Hard blocked: no

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sri@sri-pc ~ $ inxi -Nn
Network:   Card-1: Broadcom BCM43142 802.11b/g/n driver: wl
           IF: wlp7s0 state: dormant mac: f8:2f:a8:c1:64:17
           Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169
           IF: enp9s0 state: down mac: e0:db:55:ad:99:73

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sri@sri-pc ~ $ lsmod
Module                  Size  Used by
rndis_host             16384  0
cdc_ether              16384  1 rndis_host
usbnet                 45056  2 rndis_host,cdc_ether
uvcvideo               90112  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         28672  1 uvcvideo
videobuf2_core         36864  2 uvcvideo,videobuf2_v4l2
v4l2_common            16384  1 videobuf2_v4l2
videodev              176128  4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
media                  24576  2 uvcvideo,videodev
nvram                  16384  0
msr                    16384  0
binfmt_misc            20480  1
intel_rapl             20480  0
x86_pkg_temp_thermal    16384  0
intel_powerclamp       16384  0
coretemp               16384  0
snd_hda_codec_hdmi     53248  1
snd_hda_codec_cirrus    20480  1
kvm_intel             172032  0
snd_hda_codec_generic    77824  1 snd_hda_codec_cirrus
kvm                   548864  1 kvm_intel
wl                   6447104  0
snd_hda_intel          40960  3
snd_hda_codec         135168  4 snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_codec_cirrus
snd_hda_core           77824  5 snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_hda_codec_cirrus
snd_hwdep              16384  1 snd_hda_codec
snd_pcm               106496  4 snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_core
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_rawmidi            32768  1 snd_seq_midi
irqbypass              16384  1 kvm
snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer              32768  2 snd_pcm,snd_seq
crct10dif_pclmul       16384  0
crc32_pclmul           16384  0
ghash_clmulni_intel    16384  0
aesni_intel           167936  0
aes_x86_64             20480  1 aesni_intel
lrw                    16384  1 aesni_intel
gf128mul               16384  1 lrw
glue_helper            16384  1 aesni_intel
ablk_helper            16384  1 aesni_intel
cryptd                 20480  3 ghash_clmulni_intel,aesni_intel,ablk_helper
dell_wmi               16384  0
sparse_keymap          16384  1 dell_wmi
snd                    81920  17 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_seq_device,snd_hda_codec_cirrus
soundcore              16384  1 snd
dell_laptop            20480  0
dcdbas                 16384  1 dell_laptop
dell_smm_hwmon         16384  0
cfg80211              565248  1 wl
shpchp                 36864  0
joydev                 20480  0
input_leds             16384  0
serio_raw              16384  0
mei_me                 36864  0
mei                    98304  1 mei_me
lpc_ich                24576  0
mac_hid                16384  0
ip6t_REJECT            16384  1
nf_reject_ipv6         16384  1 ip6t_REJECT
nf_log_ipv6            16384  5
xt_hl                  16384  22
ip6t_rt                16384  3
nf_conntrack_ipv6      20480  8
nf_defrag_ipv6         36864  1 nf_conntrack_ipv6
ipt_REJECT             16384  1
nf_reject_ipv4         16384  1 ipt_REJECT
nf_log_ipv4            16384  5
nf_log_common          16384  2 nf_log_ipv4,nf_log_ipv6
xt_LOG                 16384  10
xt_limit               16384  13
xt_tcpudp              16384  18
xt_addrtype            16384  4
nf_conntrack_ipv4      16384  8
nf_defrag_ipv4         16384  1 nf_conntrack_ipv4
xt_conntrack           16384  16
ip6table_filter        16384  1
ip6_tables             28672  1 ip6table_filter
nf_conntrack_netbios_ns    16384  0
nf_conntrack_broadcast    16384  1 nf_conntrack_netbios_ns
nf_nat_ftp             16384  0
nf_nat                 28672  1 nf_nat_ftp
nf_conntrack_ftp       20480  1 nf_nat_ftp
nf_conntrack          106496  8 nf_nat_ftp,nf_conntrack_netbios_ns,nf_nat,xt_conntrack,nf_conntrack_broadcast,nf_conntrack_ftp,nf_conntrack_ipv4,nf_conntrack_ipv6
iptable_filter         16384  1
ip_tables              24576  1 iptable_filter
x_tables               36864  13 ip6table_filter,xt_hl,ip_tables,xt_tcpudp,xt_limit,xt_conntrack,xt_LOG,iptable_filter,ip6t_rt,ipt_REJECT,ip6_tables,xt_addrtype,ip6t_REJECT
parport_pc             32768  0
ppdev                  20480  0
lp                     20480  0
parport                49152  3 lp,ppdev,parport_pc
autofs4                40960  2
btrfs                 991232  0
xor                    24576  1 btrfs
raid6_pq              102400  1 btrfs
dm_mirror              24576  0
dm_region_hash         24576  1 dm_mirror
dm_log                 20480  2 dm_region_hash,dm_mirror
hid_generic            16384  0
usbhid                 49152  0
hid                   122880  2 hid_generic,usbhid
i915                 1232896  7
i2c_algo_bit           16384  1 i915
drm_kms_helper        155648  1 i915
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
psmouse               131072  0
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
ahci                   36864  4
drm                   364544  9 i915,drm_kms_helper
libahci                32768  1 ahci
r8169                  86016  0
mii                    16384  2 r8169,usbnet
wmi                    20480  1 dell_wmi
video                  40960  3 i915,dell_wmi,dell_laptop
fjes                   28672  0
sri@sri-pc ~ $ 

Thanks in advance.

Cheers
Sri

[Pjotr]

What happens if you boot from an older kernel?

[JeremyB]

Post results for

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dkms status; modinfo wl | grep vermagic

[sri1]

here are the results

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sri@sri-pc ~ $ dkms status
bcmwl, 6.30.223.271+bdcom, 4.4.0-101-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-103-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-104-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-109-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-112-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-116-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.4.0-98-generic, x86_64: installed
ndiswrapper, 1.60, 4.4.0-112-generic, x86_64: installed
ndiswrapper, 1.60, 4.4.0-116-generic, x86_64: installed

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sri@sri-pc ~ $ modinfo wl |  grep vermagic
vermagic:       4.4.0-112-generic SMP mod_unload modversions 

I also tried booting from an older kernel but its still not working.

[JeremyB]

How about results for

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 ndiswrapper -l

[sri1]

Hi
The last time i posted this problem it got solved after doing an update but i have a similar problem this time.

I am able to see the connection in the available connection names but when i click to connect it says ip config unavailable and is not able to connect.

Can someone help me.

Regards,
Sri

[sri1]

Hi,
After the recent update the wifi started working again. I would like to mark this topic as solved but not sure how to do it.

Can someone tell me how to mark this topic as solved

Thanks and Regards,
Sri

[Sir Charles]

Edit your first post in the thread by clicking on the pen icon and add [SOLVED] to the title of the post.

[sri1]

Thank you Marziano for the quick reply will do the same.

[Sir Charles]

You are welcome!
Cheers