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[Launchpad Bug Tracker <1073967@xxxxxxxxxxxxxxxxxx>]

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

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1073967

Title:
  8086:0084 WARNING: at
  /build/buildd/linux-3.5.0/net/wireless/mlme.c:491
  cfg80211_mlme_disassoc+0xcd/0xe0 [cfg80211]()

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Problem seems to have happened in the last few days, possible due to
  different networking equipment in use here at UDS?

  In desperation, I shut down wlan0, rmmod'ed e1000e and reversed the
  operation. This generated an Oops and didn't fix the problem:

  [16804.338838] ------------[ cut here ]------------
  [16804.338873] WARNING: at /build/buildd/linux-3.5.0/net/wireless/mlme.c:491 cfg80211_mlme_disassoc+0xcd/0xe0 [cfg80211]()
  [16804.338875] Hardware name: 2516CTO
  [16804.338876] Modules linked in: e1000e hid_generic usbhid hid sdhci_pci sdhci ext2 pci_stub overlayfs ip6table_filter ip6_tables ebtable_nat ebtables xt_state ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp iptable_filter ipt_MASQUERADE iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 ip_tables x_tables bridge stp llc deflate zlib_deflate ctr twofish_generic twofish_i586 twofish_common camellia_generic serpent_sse2_i586 lrw serpent_generic xts gf128mul blowfish_generic blowfish_common cast5 des_generic xcbc rmd160 sha512_generic crypto_null af_key xfrm_algo bnep rfcomm parport_pc ppdev nvidia(PO) arc4 iwlwifi uvcvideo snd_hda_codec_hdmi btusb videobuf2_core bluetooth videodev mac80211 joydev videobuf2_vmalloc videobuf2_memops coretemp snd_hda_codec_conexant kvm_intel kvm snd_hda_intel snd_hda_codec cfg80211 thinkpad_acpi snd_hwdep snd_pcm snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq psmouse aesni_intel cryptd snd_timer serio_raw snd_seq_device snd aes_i586 soundcore microcode dm_multipath scsi_dh snd_page_alloc mei video tpm_tis mac_hid intel_ips lpc_ich nvram mxm_wmi wmi nfsd nfs lockd fscache auth_rpcgss nfs_acl sunrpc binfmt_misc lp parport mmc_block firewire_ohci firewire_core crc_itu_t nbd [last unloaded: e1000e]
  [16804.338955] Pid: 1850, comm: wpa_supplicant Tainted: P           O 3.5.0-17-generic #28-Ubuntu
  [16804.338956] Call Trace:
  [16804.338968]  [<c1044802>] warn_slowpath_common+0x72/0xa0
  [16804.338977]  [<f985948d>] ? cfg80211_mlme_disassoc+0xcd/0xe0 [cfg80211]
  [16804.338986]  [<f985948d>] ? cfg80211_mlme_disassoc+0xcd/0xe0 [cfg80211]
  [16804.338990]  [<c1044852>] warn_slowpath_null+0x22/0x30
  [16804.339000]  [<f985948d>] cfg80211_mlme_disassoc+0xcd/0xe0 [cfg80211]
  [16804.339008]  [<f984363a>] ? cfg80211_get_dev_from_ifindex+0x5a/0x90 [cfg80211]
  [16804.339018]  [<f984b122>] nl80211_disassociate+0xb2/0xf0 [cfg80211]
  [16804.339023]  [<c1050d27>] ? ns_capable+0x27/0x60
  [16804.339034]  [<f9854ad0>] ? nl80211_join_ibss+0x2c0/0x2c0 [cfg80211]
  [16804.339039]  [<c14fe025>] genl_rcv_msg+0x225/0x280
  [16804.339044]  [<c14fde00>] ? genl_rcv+0x30/0x30
  [16804.339046]  [<c14fd9c6>] netlink_rcv_skb+0x86/0xa0
  [16804.339049]  [<c14fddec>] genl_rcv+0x1c/0x30
  [16804.339052]  [<c14fd394>] netlink_unicast+0x164/0x1e0
  [16804.339055]  [<c14fd629>] netlink_sendmsg+0x219/0x370
  [16804.339058]  [<c14c7ef0>] sock_sendmsg+0xc0/0xf0
  [16804.339064]  [<c12d3e31>] ? _copy_from_user+0x41/0x60
  [16804.339067]  [<c12d3e31>] ? _copy_from_user+0x41/0x60
  [16804.339073]  [<c14d223f>] ? verify_iovec+0x3f/0xb0
  [16804.339075]  [<c14c8209>] __sys_sendmsg+0x299/0x2b0
  [16804.339078]  [<c14c7ce0>] ? sock_sendmsg_nosec+0xf0/0xf0
  [16804.339082]  [<c1056847>] ? recalc_sigpending+0x17/0x50
  [16804.339085]  [<c1057065>] ? __set_task_blocked+0x35/0x80
  [16804.339089]  [<c14c8feb>] sys_sendmsg+0x3b/0x60
  [16804.339091]  [<c14c9683>] sys_socketcall+0x273/0x2d0
  [16804.339096]  [<c15ca0b0>] ? do_debug+0x170/0x170
  [16804.339100]  [<c15c9354>] syscall_call+0x7/0xb
  [16804.339102] ---[ end trace ee43f46a3019bc6a ]---
  [16805.715038] wlan0: authenticate with 34:bd:c8:7f:52:60
  [16805.716097] wlan0: direct probe to 34:bd:c8:7f:52:60 (try 1/3)
  [16805.917864] wlan0: direct probe to 34:bd:c8:7f:52:60 (try 2/3)
  [16806.121338] wlan0: send auth to 34:bd:c8:7f:52:60 (try 3/3)
  [16806.144519] wlan0: authenticated
  [16806.149266] wlan0: associate with 34:bd:c8:7f:52:60 (try 1/3)
  [16806.188432] wlan0: RX AssocResp from 34:bd:c8:7f:52:60 (capab=0x421 status=0 aid=29)
  [16806.192677] wlan0: associated
  [16808.116349] init: gwibber main process (25962) terminated with status 1
  [16808.123999] init: gwibber post-stop process (25989) terminated with status 1
  [16811.088915] usb 1-1.4: >USB disconnect, device number 5
  [16813.446911] iwlwifi 0000:03:00.0: >fail to flush all tx fifo queues
  [16818.414408] iwlwifi 0000:03:00.0: >fail to flush all tx fifo queues
  [16823.422367] iwlwifi 0000:03:00.0: >fail to flush all tx fifo queues

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-17-generic 3.5.0-17.28
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  Uname: Linux 3.5.0-17-generic i686
  NonfreeKernelModules: nvidia
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  james      3414 F.... pulseaudio
   /dev/snd/controlC0:  james      3414 F.... pulseaudio
   /dev/snd/pcmC0D0c:   james      3414 F...m pulseaudio
   /dev/snd/pcmC0D0p:   james      3414 F...m pulseaudio
  Date: Thu Nov  1 14:15:38 2012
  HibernationDevice: RESUME=UUID=67e3cd44-242b-4bbf-918b-28fff81e0312
  InstallationDate: Installed on 2010-10-21 (742 days ago)
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
  MachineType: LENOVO 2516CTO
  MarkForUpload: True
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=7ad192e9-7b26-49d1-8e1c-fefc7dc495cb ro quiet splash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.95
  SourcePackage: linux
  UpgradeStatus: Upgraded to quantal on 2012-09-30 (31 days ago)
  dmi.bios.date: 08/27/2010
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 6IET72WW (1.32 )
  dmi.board.name: 2516CTO
  dmi.board.vendor: LENOVO
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvr6IET72WW(1.32):bd08/27/2010:svnLENOVO:pn2516CTO:pvrThinkPadT410:rvnLENOVO:rn2516CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 2516CTO
  dmi.product.version: ThinkPad T410
  dmi.sys.vendor: LENOVO

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