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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1355066

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

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

** Tags added: trusty

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https://bugs.launchpad.net/bugs/1355066

Title:
  network / create hotspot fail

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  ~$ uname -a
  Linux vsn 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15 03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

  
  [ 2774.388864] ------------[ cut here ]------------
  [ 2774.388895] WARNING: CPU: 0 PID: 4322 at /build/buildd/linux-3.13.0/net/mac80211/sta_info.c:432 sta_info_insert_rcu+0xb7/0xe0 [mac80211]()
  [ 2774.388899] Modules linked in: ipt_MASQUERADE xt_conntrack ipt_REJECT xt_tcpudp iptable_filter nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables snd_hrtimer ctr ccm bnep rfcomm binfmt_misc nvidia(POF) snd_hda_codec_hdmi uvcvideo videobuf2_vmalloc snd_hda_codec_realtek videobuf2_memops videobuf2_core snd_hda_intel videodev snd_hda_codec intel_rapl x86_pkg_temp_thermal intel_powerclamp snd_hwdep coretemp mxm_wmi snd_pcm kvm_intel kvm snd_page_alloc arc4 ath9k snd_seq_midi crct10dif_pclmul crc32_pclmul ghash_clmulni_intel snd_seq_midi_event ath9k_common ath9k_hw snd_rawmidi aesni_intel ath ath3k btusb snd_seq drm mac80211 snd_seq_device cfg80211 bluetooth aes_x86_64 snd_timer lrw gf128mul video snd joydev mac_hid lpc_ich wmi mei_me soundcore mei sony_laptop glue_helper serio_raw ablk_helper cryptd parport_pc ppdev lp parport hid_generic usbhid hid psmouse firewire_ohci r8169 ahci sdhci_pci firewire_core libahci mii sdhci crc_itu_t
  [ 2774.388969] CPU: 0 PID: 4322 Comm: kworker/u32:1 Tainted: PF       W  O 3.13.0-32-generic #57-Ubuntu
  [ 2774.388972] Hardware name: Sony Corporation VPCF23S1R/VAIO, BIOS R2150V3 07/22/2011
  [ 2774.388984] Workqueue: phy0 ieee80211_iface_work [mac80211]
  [ 2774.388986]  0000000000000009 ffff88009fd11ca8 ffffffff8171bcb4 0000000000000000
  [ 2774.388989]  ffff88009fd11ce0 ffffffff810676cd ffff8801a5c79000 ffff8800c8b10600
  [ 2774.388992]  00000000ffffffea ffff8801a5c79630 ffff8801a1abc000 ffff88009fd11cf0
  [ 2774.388995] Call Trace:
  [ 2774.389002]  [<ffffffff8171bcb4>] dump_stack+0x45/0x56
  [ 2774.389006]  [<ffffffff810676cd>] warn_slowpath_common+0x7d/0xa0
  [ 2774.389009]  [<ffffffff810677aa>] warn_slowpath_null+0x1a/0x20
  [ 2774.389020]  [<ffffffffa0318067>] sta_info_insert_rcu+0xb7/0xe0 [mac80211]
  [ 2774.389032]  [<ffffffffa0322eb5>] ieee80211_ibss_finish_sta+0x135/0x260 [mac80211]
  [ 2774.389044]  [<ffffffffa032569b>] ieee80211_ibss_work+0xab/0x530 [mac80211]
  [ 2774.389056]  [<ffffffffa0326bc6>] ieee80211_iface_work+0x1a6/0x360 [mac80211]
  [ 2774.389060]  [<ffffffff810838f2>] process_one_work+0x182/0x450
  [ 2774.389063]  [<ffffffff810846e1>] worker_thread+0x121/0x410
  [ 2774.389066]  [<ffffffff810845c0>] ? rescuer_thread+0x430/0x430
  [ 2774.389069]  [<ffffffff8108b3d2>] kthread+0xd2/0xf0
  [ 2774.389072]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  [ 2774.389076]  [<ffffffff8172c5bc>] ret_from_fork+0x7c/0xb0
  [ 2774.389079]  [<ffffffff8108b300>] ? kthread_create_on_node+0x1d0/0x1d0
  [ 2774.389081] ---[ end trace 01b356ca4483a6eb ]---

  
  Reported from: http://developer.ubuntu.com/?page_id=

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