wifi dropped and failed to connect

[rkidder]

Running 14.04.4 LTS (Linux nomad 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux). Experienced an issue where the integrated wifi on a Dell Latitude E6400 dropped and failed to reconnect. Wifi chipset is BCM43228. Current version of bcmwl-kernel-source is 6.30.223.248+bdcom-0ubuntu0.2 on amd64.

           *-network
                description: Wireless interface
                product: BCM43228 802.11a/b/g/n
                vendor: Broadcom Corporation
                physical id: 0
                bus info: pci@0000:0c:00.0
                logical name: wlan0
                version: 00
                serial: ec:55:f9:28:c4:97
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) ip=192.168.1.232 latency=0 multicast=yes wireless=IEEE 802.11abg
                resources: irq:17 memory:f1ffc000-f1ffffff

Kernel trace:

Apr 15 19:58:01 nomad kernel: [ 164.284258] ------------[ cut here ]------------
Apr 15 19:58:01 nomad kernel: [ 164.284299] WARNING: CPU: 0 PID: 685 at /build/buildd/linux-3.13.0/net/wireless/sme.c:797 cfg80211_roamed+0x89/0x90 [cfg80211]()
Apr 15 19:58:01 nomad kernel: [ 164.284302] Modules linked in: dm_crypt deflate ctr twofish_generic twofish_x86_64_3way twofish_x86_64 twofish_common camellia_generic camellia_x86_64 serpent_sse2_x86_64 xts serpent_generic lrw gf128mul glue_helper blowfish_generic blowfish_x86_64 blowfish_common cast5_generic cast_common ablk_helper cryptd des_generic cmac xcbc rmd160 crypto_null af_key nvidia(POF) xfrm_algo wl(POF) btusb uvcvideo videobuf2_vmalloc videobuf2_memops dell_wmi videobuf2_core gpio_ich videodev sparse_keymap coretemp kvm_intel dell_laptop kvm dcdbas snd_hda_codec_idt snd_hda_intel snd_hda_codec bnep joydev rfcomm pcmcia snd_hwdep cfg80211 snd_pcm serio_raw bluetooth yenta_socket snd_page_alloc drm snd_seq_midi pcmcia_rsrc snd_seq_midi_event pcmcia_core snd_rawmidi snd_seq lpc_ich snd_seq_device snd_timer wmi snd mei_me shpchp soundcore mei mac_hid parport_pc ppdev lp parport binfmt_misc hid_generic hid_logitech_dj usbhid hid psmouse sdhci_pci sdhci firewire_ohci firewire_core crc_itu_t video e1000e ptp pps_core pata_acpi
Apr 15 19:58:01 nomad kernel: [ 164.284384] CPU: 0 PID: 685 Comm: wl_event_handle Tainted: PF W O 3.13.0-32-generic #57-Ubuntu
Apr 15 19:58:01 nomad kernel: [ 164.284386] Hardware name: Dell Inc. Latitude E6400 /0K672N, BIOS A28 02/16/2011
Apr 15 19:58:01 nomad kernel: [ 164.284389] 0000000000000009 ffff8800d5a0bdd0 ffffffff8171bcb4 0000000000000000
Apr 15 19:58:01 nomad kernel: [ 164.284393] ffff8800d5a0be08 ffffffff810676cd ffff8800d5323000 ffff8800da079780
Apr 15 19:58:01 nomad kernel: [ 164.284397] 000000000000009a ffff880114f15580 ffff880114c1a9f8 ffff8800d5a0be18
Apr 15 19:58:01 nomad kernel: [ 164.284402] Call Trace:
Apr 15 19:58:01 nomad kernel: [ 164.284410] [<ffffffff8171bcb4>] dump_stack+0x45/0x56
Apr 15 19:58:01 nomad kernel: [ 164.284416] [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
Apr 15 19:58:01 nomad kernel: [ 164.284419] [<ffffffff810677aa>] warn_slowpath_null+0x1a/0x20
Apr 15 19:58:01 nomad kernel: [ 164.284437] [<ffffffffa02bd509>] cfg80211_roamed+0x89/0x90 [cfg80211]
Apr 15 19:58:01 nomad kernel: [ 164.284485] [<ffffffffa065f78b>] wl_notify_roaming_status+0xcb/0x150 [wl]
Apr 15 19:58:01 nomad kernel: [ 164.284526] [<ffffffffa065e3c2>] wl_event_handler+0x62/0x220 [wl]
Apr 15 19:58:01 nomad kernel: [ 164.284568] [<ffffffffa065e360>] ? wl_cfg80211_resume+0x440/0x440 [wl]
Apr 15 19:58:01 nomad kernel: [ 164.284572] [<ffffffff8108b3d2>] kthread+0xd2/0xf0
Apr 15 19:58:01 nomad kernel: [ 164.284576] [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
Apr 15 19:58:01 nomad kernel: [ 164.284581] [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
Apr 15 19:58:01 nomad kernel: [ 164.284585] [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
Apr 15 19:58:01 nomad kernel: [ 164.284588] ---[ end trace 2425210e2f98be7e ]---

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-32-generic 3.13.0-32.57 [modified: boot/vmlinuz-3.13.0-32-generic]
ProcVersionSignature: Ubuntu 3.13.0-32.57-generic 3.13.11.4
Uname: Linux 3.13.0-32-generic x86_64
NonfreeKernelModules: nvidia wl
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: rkidder 2360 F.... pulseaudio
CurrentDesktop: XFCE
Date: Fri Apr 15 20:04:11 2016
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-03-01 (411 days ago)
InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
MachineType: Dell Inc. Latitude E6400
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcFB:

ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-32-generic root=UUID=bd790d28-24d6-4e26-b6f6-08403734e086 ro quiet splash
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-32-generic N/A
 linux-backports-modules-3.13.0-32-generic N/A
 linux-firmware 1.127.20
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/16/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A28
dmi.board.name: 0K672N
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA28:bd02/16/2011:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn0K672N:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.

[rkidder (rkidder)]

Adding output from "lspci -vnvn".

[Brad Figg (brad-figg)]

This change was made by a bot.

[Joseph Salisbury (jsalisbury)]

Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?

Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.6 kernel[0].

If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'.

Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.6-rc4-wily/

[rkidder (rkidder)]

The issue started a day after I upgraded the packages on my system, and has been captured by syslog 38 times since then. There wasn't a new kernel installed at the time, but something triggered the building of a new initrd.img. I'm going to upload the dpkg.log that outlines what packages were installed and I'll try out a new kernel as well.

[rkidder (rkidder)]

I upgraded to v4.6-rc4-wily (amd64) but unfortunately ran into bug 152808 which meant I lost wireless so I had to revert to 3.13.0-32-generic (amd64).

[Launchpad Janitor (janitor)]

[Expired for linux (Ubuntu) because there has been no activity for 60 days.]