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[Bug 1159306] Re: WARNING: at /build/buildd/linux-3.8.0/net/wireless/sme.c:642 cfg80211_roamed+0x9a/0xa0 [cfg80211]()

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Mehdi <mehdi_ti@xxxxxxxxxxx>
Date: Mon, 16 Mar 2015 14:24:27 -0000
Reply-to: Bug 1159306 <1159306@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
This bug prevents me from connecting to some wireless routers. Please
set the importance as high prority and assigne it to someone.

I am using Ubuntu 14.04 (3.13.0-40-generic x86_64), my laptop has
BCM4313 (as lspci reports), and I am using latest bcmwl-kernel-source
driver (6.30.223.248+bdcom-0ubuntu0.1).

Since it is an issue in Ubuntu 14.04 LTS, and it prevent connecting to
WiFi router, it is a critical bug, and it needed to be fixed even if it
is a kernel issue.

dmesg log:

[ 2340.198282] ------------[ cut here ]------------
[ 2340.198322] WARNING: CPU: 0 PID: 14265 at /build/buildd/linux-3.13.0/net/wireless/sme.c:797 cfg80211_roamed+0x89/0x90 [cfg80211]()
[ 2340.198325] Modules linked in: wl(POX) cfg80211 ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc thinkpad_acpi nvram msr pci_stub vboxpci(OX) vboxnetadp(OX) vboxnetflt(OX) vboxdrv(OX) ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables zram(C) rfcomm bnep binfmt_misc snd_hda_codec_hdmi(OX) uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core joydev videodev btusb bluetooth dm_multipath scsi_dh intel_powerclamp coretemp kvm_intel kvm snd_hda_codec_conexant(OX) snd_hda_codec_generic(OX) snd_hda_intel(OX) snd_hda_controller(OX) snd_hda_codec(OX) snd_hwdep snd_pcm serio_raw nvidia(POX) intel_ips lpc_ich snd_seq_midi snd_seq_midi_event snd_rawmidi drm snd_page_alloc snd_seq snd_seq_device snd_timer ideapad_laptop sparse_keymap snd mac_hid parport_pc shpchp mei_me mei wmi soundcore ppdev sctp libcrc32c lp parport uvesafb ums_realtek usb_storage hid_logitech_dj usbhid hid psmouse ahci r8169 libahci mii video [last unloaded: cfg80211]
[ 2340.198442] CPU: 0 PID: 14265 Comm: wl_event_handle Tainted: P        WC OX 3.13.0-40-generic #69-Ubuntu
[ 2340.198445] Hardware name: LENOVO 20042                           /Base Board Product Name, BIOS 29CN38WW(V2.15) 01/28/2011
[ 2340.198448]  0000000000000009 ffff8801bb5c1dd0 ffffffff8171f226 0000000000000000
[ 2340.198453]  ffff8801bb5c1e08 ffffffff810677cd ffff8801bb0a0000 ffff880080bb19c0
[ 2340.198457]  000000000000005f ffff8801bbb1df40 ffff8800a40149f8 ffff8801bb5c1e18
[ 2340.198462] Call Trace:
[ 2340.198472]  [<ffffffff8171f226>] dump_stack+0x45/0x56
[ 2340.198479]  [<ffffffff810677cd>] warn_slowpath_common+0x7d/0xa0
[ 2340.198483]  [<ffffffff810678aa>] warn_slowpath_null+0x1a/0x20
[ 2340.198502]  [<ffffffffa0daf509>] cfg80211_roamed+0x89/0x90 [cfg80211]
[ 2340.198565]  [<ffffffffa17ef77b>] wl_notify_roaming_status+0xcb/0x150 [wl]
[ 2340.198622]  [<ffffffffa17ee3b2>] wl_event_handler+0x62/0x220 [wl]
[ 2340.198678]  [<ffffffffa17ee350>] ? wl_cfg80211_resume+0x440/0x440 [wl]
[ 2340.198684]  [<ffffffff8108b562>] kthread+0xd2/0xf0
[ 2340.198688]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[ 2340.198693]  [<ffffffff8172fc7c>] ret_from_fork+0x7c/0xb0
[ 2340.198697]  [<ffffffff8108b490>] ? kthread_create_on_node+0x1c0/0x1c0
[ 2340.198700] ---[ end trace b899a88463385bd1 ]---

-- 
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https://bugs.launchpad.net/bugs/1159306

Title:
  WARNING: at /build/buildd/linux-3.8.0/net/wireless/sme.c:642
  cfg80211_roamed+0x9a/0xa0 [cfg80211]()

Status in bcmwl package in Ubuntu:
  Confirmed

Bug description:
  I do not know how long this has been going on, as of now. But I looked
  today at /var/log/syslog, it it was pretty much *only* this warning +
  stacktrace, one after the other, every few seconds. This is the first
  occurence of it, from a saved syslog:

  Mar 22 18:29:32 xango3 kernel: [13498.800669] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
  Mar 22 18:29:32 xango3 kernel: [13498.800672] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
  Mar 22 18:29:32 xango3 kernel: [13498.800675] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
  Mar 22 18:29:32 xango3 NetworkManager[1649]: <info> (eth1): supplicant interface state: disconnected -> scanning
  Mar 22 18:29:35 xango3 kernel: [13501.484571] net_ratelimit: 24 callbacks suppressed
  Mar 22 18:29:36 xango3 wpa_supplicant[1777]: eth1: Trying to associate with 00:7f:28:e9:f9:fb (SSID='beth-el2' freq=2462 MHz)
  Mar 22 18:29:36 xango3 NetworkManager[1649]: <info> (eth1): supplicant interface state: scanning -> associating
  Mar 22 18:29:36 xango3 wpa_supplicant[1777]: eth1: CTRL-EVENT-ASSOC-REJECT status_code=16
  Mar 22 18:29:37 xango3 NetworkManager[1649]: <info> (eth1): roamed from BSSID 00:7F:28:E9:F9:FB (beth-el2) to (none) ((none))
  Mar 22 18:29:41 xango3 kernel: [13507.164978] ------------[ cut here ]------------
  Mar 22 18:29:41 xango3 kernel: [13507.165031] WARNING: at /build/buildd/linux-3.8.0/net/wireless/sme.c:642 cfg80211_roamed+0x9a/0xa0 [cfg80211]()
  Mar 22 18:29:41 xango3 kernel: [13507.165034] Hardware name: Latitude E6410
  Mar 22 18:29:41 xango3 kernel: [13507.165036] Modules linked in: usb_storage(F) snd_usb_audio snd_usbmidi_lib hid_generic asix usbnet ebtable_nat(F) ebtables(F) xt_CHECKSUM(F) iptable_mangle(F) pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) ipt_MASQUERADE(F) iptable_nat(F) nf_nat_ipv4(F) bridge(F) stp(F) llc(F) dm_crypt(F) ip6t_REJECT(F) xt_hl(F) ip6t_rt(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) ipt_REJECT(F) xt_LOG(F) bnep xt_limit(F) xt_tcpudp(F) xt_addrtype(F) rfcomm nf_conntrack_ipv4(F) nf_defrag_ipv4(F) uvcvideo xt_state(F) videobuf2_vmalloc videobuf2_memops ip6table_filter(F) ip6_tables(F) videobuf2_core snd_hda_codec_hdmi nf_conntrack_netbios_ns(F) videodev nf_conntrack_broadcast(F) nf_nat_ftp(F) nf_nat(F) joydev(F) lib80211_crypt_tkip nf_conntrack_ftp(F) wl(POF) nf_conntrack(F) snd_hda_codec_idt iptable_filter(F) ip_tables(F) snd_hda_intel x_tables(F) snd_hda_codec binfmt_misc(F) snd_hwdep(F) snd_pcm(F) coretemp snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) kvm_intel snd_rawmidi
  Mar 22 18:29:41 xango3 kernel: (F) snd_seq(F) lib80211 kvm snd_seq_device(F) snd_timer(F) dell_laptop cfg80211 btusb snd(F) dcdbas bluetooth dell_wmi soundcore(F) psmouse(F) ppdev(F) sparse_keymap microcode(F) mac_hid lpc_ich tpm_tis intel_ips serio_raw(F) parport_pc(F) lp(F) parport(F) hid_logitech_dj usbhid hid nouveau mxm_wmi wmi ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper(F) cryptd(F) video(F) i2c_algo_bit ttm drm_kms_helper ahci(F) libahci(F) drm sdhci_pci firewire_ohci firewire_core sdhci e1000e(F) crc_itu_t(F)
  Mar 22 18:29:41 xango3 kernel: [13507.165164] Pid: 1073, comm: wl_event_handle Tainted: PF          O 3.8.0-13-generic #23-Ubuntu
  Mar 22 18:29:41 xango3 kernel: [13507.165167] Call Trace:
  Mar 22 18:29:41 xango3 kernel: [13507.165177]  [<ffffffff810587df>] warn_slowpath_common+0x7f/0xc0
  Mar 22 18:29:41 xango3 kernel: [13507.165182]  [<ffffffff8105883a>] warn_slowpath_null+0x1a/0x20
  Mar 22 18:29:41 xango3 kernel: [13507.165207]  [<ffffffffa0371cea>] cfg80211_roamed+0x9a/0xa0 [cfg80211]
  Mar 22 18:29:41 xango3 kernel: [13507.165260]  [<ffffffffa06415d5>] wl_bss_connect_done.isra.20+0x115/0x1c0 [wl]
  Mar 22 18:29:41 xango3 kernel: [13507.165305]  [<ffffffffa0641ef5>] wl_notify_connect_status+0x345/0x460 [wl]
  Mar 22 18:29:41 xango3 kernel: [13507.165350]  [<ffffffffa0641a15>] wl_event_handler+0x55/0x1f0 [wl]
  Mar 22 18:29:41 xango3 kernel: [13507.165395]  [<ffffffffa06419c0>] ? wl_notify_scan_status+0x340/0x340 [wl]
  Mar 22 18:29:41 xango3 kernel: [13507.165400]  [<ffffffff8107d350>] kthread+0xc0/0xd0
  Mar 22 18:29:41 xango3 kernel: [13507.165405]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120
  Mar 22 18:29:41 xango3 kernel: [13507.165411]  [<ffffffff816d2c2c>] ret_from_fork+0x7c/0xb0
  Mar 22 18:29:41 xango3 kernel: [13507.165416]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120
  Mar 22 18:29:41 xango3 kernel: [13507.165419] ---[ end trace 7b2493a9432dccd3 ]---
  Mar 22 18:29:41 xango3 kernel: [13507.481641] net_ratelimit: 2 callbacks suppressed
  Mar 22 18:29:46 xango3 kernel: [13512.534921] ------------[ cut here ]------------
  Mar 22 18:29:46 xango3 kernel: [13512.534970] WARNING: at /build/buildd/linux-3.8.0/net/wireless/sme.c:642 cfg80211_roamed+0x9a/0xa0 [cfg80211]()
  Mar 22 18:29:46 xango3 kernel: [13512.534973] Hardware name: Latitude E6410
  Mar 22 18:29:46 xango3 kernel: [13512.534975] Modules linked in: usb_storage(F) snd_usb_audio snd_usbmidi_lib hid_generic asix usbnet ebtable_nat(F) ebtables(F) xt_CHECKSUM(F) iptable_mangle(F) pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) ipt_MASQUERADE(F) iptable_nat(F) nf_nat_ipv4(F) bridge(F) stp(F) llc(F) dm_crypt(F) ip6t_REJECT(F) xt_hl(F) ip6t_rt(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) ipt_REJECT(F) xt_LOG(F) bnep xt_limit(F) xt_tcpudp(F) xt_addrtype(F) rfcomm nf_conntrack_ipv4(F) nf_defrag_ipv4(F) uvcvideo xt_state(F) videobuf2_vmalloc videobuf2_memops ip6table_filter(F) ip6_tables(F) videobuf2_core snd_hda_codec_hdmi nf_conntrack_netbios_ns(F) videodev nf_conntrack_broadcast(F) nf_nat_ftp(F) nf_nat(F) joydev(F) lib80211_crypt_tkip nf_conntrack_ftp(F) wl(POF) nf_conntrack(F) snd_hda_codec_idt iptable_filter(F) ip_tables(F) snd_hda_intel x_tables(F) snd_hda_codec binfmt_misc(F) snd_hwdep(F) snd_pcm(F) coretemp snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) kvm_intel snd_rawmidi
  Mar 22 18:29:46 xango3 kernel: (F) snd_seq(F) lib80211 kvm snd_seq_device(F) snd_timer(F) dell_laptop cfg80211 btusb snd(F) dcdbas bluetooth dell_wmi soundcore(F) psmouse(F) ppdev(F) sparse_keymap microcode(F) mac_hid lpc_ich tpm_tis intel_ips serio_raw(F) parport_pc(F) lp(F) parport(F) hid_logitech_dj usbhid hid nouveau mxm_wmi wmi ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper(F) cryptd(F) video(F) i2c_algo_bit ttm drm_kms_helper ahci(F) libahci(F) drm sdhci_pci firewire_ohci firewire_core sdhci e1000e(F) crc_itu_t(F)
  Mar 22 18:29:46 xango3 kernel: [13512.535101] Pid: 1073, comm: wl_event_handle Tainted: PF       W  O 3.8.0-13-generic #23-Ubuntu
  Mar 22 18:29:46 xango3 kernel: [13512.535104] Call Trace:
  Mar 22 18:29:46 xango3 kernel: [13512.535114]  [<ffffffff810587df>] warn_slowpath_common+0x7f/0xc0
  Mar 22 18:29:46 xango3 kernel: [13512.535118]  [<ffffffff8105883a>] warn_slowpath_null+0x1a/0x20
  Mar 22 18:29:46 xango3 kernel: [13512.535142]  [<ffffffffa0371cea>] cfg80211_roamed+0x9a/0xa0 [cfg80211]
  Mar 22 18:29:46 xango3 kernel: [13512.535193]  [<ffffffffa0641444>] wl_notify_roaming_status+0xb4/0x130 [wl]
  Mar 22 18:29:46 xango3 kernel: [13512.535238]  [<ffffffffa0641a15>] wl_event_handler+0x55/0x1f0 [wl]
  Mar 22 18:29:46 xango3 kernel: [13512.535283]  [<ffffffffa06419c0>] ? wl_notify_scan_status+0x340/0x340 [wl]
  Mar 22 18:29:46 xango3 kernel: [13512.535289]  [<ffffffff8107d350>] kthread+0xc0/0xd0
  Mar 22 18:29:46 xango3 kernel: [13512.535293]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120
  Mar 22 18:29:46 xango3 kernel: [13512.535300]  [<ffffffff816d2c2c>] ret_from_fork+0x7c/0xb0
  Mar 22 18:29:46 xango3 kernel: [13512.535304]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120
  Mar 22 18:29:46 xango3 kernel: [13512.535307] ---[ end trace 7b2493a9432dccd4 ]---
  Mar 22 18:29:46 xango3 wpa_supplicant[1777]: eth1: Authentication with 00:7f:28:e9:f9:fb timed out.
  Mar 22 18:29:46 xango3 NetworkManager[1649]: <info> (eth1): supplicant interface state: associating -> disconnected
  Mar 22 18:29:47 xango3 kernel: [13513.470207] net_ratelimit: 2 callbacks suppressed
  Mar 22 18:29:47 xango3 NetworkManager[1649]: <info> (eth1): supplicant interface state: disconnected -> scanning
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <warn> (eth1): link timed out.
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> (eth1): device state change: activated -> failed (reason 'supplicant-timeout') [100 120 11]
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <warn> Activation (eth1) failed for connection 'beth-el2'
  Mar 22 18:29:48 xango3 dbus[1106]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper)
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> (eth1): device state change: failed -> disconnected (reason 'none') [120 30 0]
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> (eth1): deactivating device (reason 'none') [0]
  Mar 22 18:29:48 xango3 dbus[1106]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> (eth1): canceled DHCP transaction, DHCP client pid 2411
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Withdrawing address record for fe80::5eac:4cff:fe53:a47f on eth1.
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Leaving mDNS multicast group on interface eth1.IPv6 with address fe80::5eac:4cff:fe53:a47f.
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Interface eth1.IPv6 no longer relevant for mDNS.
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Withdrawing address record for 192.168.1.128 on eth1.
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> Policy set 'Wired connection 1' (eth0) as default for IPv4 routing and DNS.
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Leaving mDNS multicast group on interface eth1.IPv4 with address 192.168.1.128.
  Mar 22 18:29:48 xango3 avahi-daemon[1177]: Interface eth1.IPv4 no longer relevant for mDNS.
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <info> Writing DNS information to /sbin/resolvconf
  Mar 22 18:29:48 xango3 dnsmasq[2365]: setting upstream servers from DBus
  Mar 22 18:29:48 xango3 dnsmasq[2365]: using nameserver 192.168.1.1#53
  Mar 22 18:29:48 xango3 NetworkManager[1649]: <warn> Couldn't disconnect supplicant interface: This interface is not connected.
  Mar 22 18:29:49 xango3 ntpd[2827]: Deleting interface #4 eth1, 192.168.1.128#123, interface stats: received=0, sent=0, dropped=0, active_time=13482 secs
  Mar 22 18:29:49 xango3 ntpd[2827]: peers refreshed
  Mar 22 18:29:50 xango3 NetworkManager[1649]: <info> (eth1): supplicant interface state: scanning -> inactive
  Mar 22 18:29:50 xango3 avahi-daemon[1177]: Joining mDNS multicast group on interface eth1.IPv6 with address fe80::5eac:4cff:fe53:a47f.
  Mar 22 18:29:50 xango3 avahi-daemon[1177]: New relevant interface eth1.IPv6 for mDNS.
  Mar 22 18:29:50 xango3 avahi-daemon[1177]: Registering new address record for fe80::5eac:4cff:fe53:a47f on eth1.*.
  Mar 22 18:29:58 xango3 kernel: [13524.458283] net_ratelimit: 2 callbacks suppressed
  Mar 22 18:29:59 xango3 kernel: [13525.030862] ------------[ cut here ]------------
  Mar 22 18:29:59 xango3 kernel: [13525.030915] WARNING: at /build/buildd/linux-3.8.0/net/wireless/sme.c:642 cfg80211_roamed+0x9a/0xa0 [cfg80211]()
  Mar 22 18:29:59 xango3 kernel: [13525.030919] Hardware name: Latitude E6410
  Mar 22 18:29:59 xango3 kernel: [13525.030921] Modules linked in: usb_storage(F) snd_usb_audio snd_usbmidi_lib hid_generic asix usbnet ebtable_nat(F) ebtables(F) xt_CHECKSUM(F) iptable_mangle(F) pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) ipt_MASQUERADE(F) iptable_nat(F) nf_nat_ipv4(F) bridge(F) stp(F) llc(F) dm_crypt(F) ip6t_REJECT(F) xt_hl(F) ip6t_rt(F) nf_conntrack_ipv6(F) nf_defrag_ipv6(F) ipt_REJECT(F) xt_LOG(F) bnep xt_limit(F) xt_tcpudp(F) xt_addrtype(F) rfcomm nf_conntrack_ipv4(F) nf_defrag_ipv4(F) uvcvideo xt_state(F) videobuf2_vmalloc videobuf2_memops ip6table_filter(F) ip6_tables(F) videobuf2_core snd_hda_codec_hdmi nf_conntrack_netbios_ns(F) videodev nf_conntrack_broadcast(F) nf_nat_ftp(F) nf_nat(F) joydev(F) lib80211_crypt_tkip nf_conntrack_ftp(F) wl(POF) nf_conntrack(F) snd_hda_codec_idt iptable_filter(F) ip_tables(F) snd_hda_intel x_tables(F) snd_hda_codec binfmt_misc(F) snd_hwdep(F) snd_pcm(F) coretemp snd_page_alloc(F) snd_seq_midi(F) snd_seq_midi_event(F) kvm_intel snd_rawmidi
  Mar 22 18:29:59 xango3 kernel: (F) snd_seq(F) lib80211 kvm snd_seq_device(F) snd_timer(F) dell_laptop cfg80211 btusb snd(F) dcdbas bluetooth dell_wmi soundcore(F) psmouse(F) ppdev(F) sparse_keymap microcode(F) mac_hid lpc_ich tpm_tis intel_ips serio_raw(F) parport_pc(F) lp(F) parport(F) hid_logitech_dj usbhid hid nouveau mxm_wmi wmi ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) xts(F) lrw(F) gf128mul(F) ablk_helper(F) cryptd(F) video(F) i2c_algo_bit ttm drm_kms_helper ahci(F) libahci(F) drm sdhci_pci firewire_ohci firewire_core sdhci e1000e(F) crc_itu_t(F)
  Mar 22 18:29:59 xango3 kernel: [13525.031048] Pid: 1073, comm: wl_event_handle Tainted: PF       W  O 3.8.0-13-generic #23-Ubuntu
  Mar 22 18:29:59 xango3 kernel: [13525.031051] Call Trace:
  Mar 22 18:29:59 xango3 kernel: [13525.031060]  [<ffffffff810587df>] warn_slowpath_common+0x7f/0xc0
  Mar 22 18:29:59 xango3 kernel: [13525.031065]  [<ffffffff8105883a>] warn_slowpath_null+0x1a/0x20
  Mar 22 18:29:59 xango3 kernel: [13525.031089]  [<ffffffffa0371cea>] cfg80211_roamed+0x9a/0xa0 [cfg80211]
  Mar 22 18:29:59 xango3 kernel: [13525.031138]  [<ffffffffa06415d5>] wl_bss_connect_done.isra.20+0x115/0x1c0 [wl]
  Mar 22 18:29:59 xango3 kernel: [13525.031183]  [<ffffffffa0641ef5>] wl_notify_connect_status+0x345/0x460 [wl]
  Mar 22 18:29:59 xango3 kernel: [13525.031228]  [<ffffffffa0641a15>] wl_event_handler+0x55/0x1f0 [wl]
  Mar 22 18:29:59 xango3 kernel: [13525.031344]  [<ffffffffa06419c0>] ? wl_notify_scan_status+0x340/0x340 [wl]
  Mar 22 18:29:59 xango3 kernel: [13525.031364]  [<ffffffff8107d350>] kthread+0xc0/0xd0
  Mar 22 18:29:59 xango3 kernel: [13525.031380]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120
  Mar 22 18:29:59 xango3 kernel: [13525.031387]  [<ffffffff816d2c2c>] ret_from_fork+0x7c/0xb0
  Mar 22 18:29:59 xango3 kernel: [13525.031392]  [<ffffffff8107d290>] ? kthread_create_on_node+0x120/0x120

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu6
  ProcVersionSignature: Ubuntu 3.8.0-14.24-generic 3.8.4
  Uname: Linux 3.8.0-14-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.9.2-0ubuntu2
  Architecture: amd64
  Date: Sat Mar 23 20:57:22 2013
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2013-02-10 (41 days ago)
  InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130209)
  MarkForUpload: True
  SourcePackage: bcmwl
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.9.2-0ubuntu2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  cerdea     3118 F.... pulseaudio
   /dev/snd/controlC1:  cerdea     3118 F.... pulseaudio
   /dev/snd/controlC0:  cerdea     3118 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=377bef37-24f6-4057-8471-99f8c3a897a9
  InstallationDate: Installed on 2013-02-10 (41 days ago)
  InstallationMedia: Kubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130209)
  MachineType: Dell Inc. Latitude E6410
  MarkForUpload: True
  NonfreeKernelModules: wl
  Package: linux (not installed)
  ProcFB: 0 nouveaufb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-14-generic root=UUID=6317ad42-3502-4697-886c-5bf5ae80b76d ro
  ProcVersionSignature: Ubuntu 3.8.0-14.24-generic 3.8.4
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-14-generic N/A
   linux-backports-modules-3.8.0-14-generic  N/A
   linux-firmware                            1.104
  Tags:  raring
  Uname: Linux 3.8.0-14-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare scanner sudo vboxusers
  dmi.bios.date: 07/30/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A13
  dmi.board.name: 0K42JR
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA13:bd07/30/2012:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E6410
  dmi.product.version: 0001
  dmi.sys.vendor: Dell Inc.

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