Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
** Attachment added: "version.log"
https://bugs.launchpad.net/bugs/1571115/+attachment/4637959/+files/version.log
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https://bugs.launchpad.net/bugs/1571115
Title:
wifi dropped and failed to connect
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