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[Bug 1355066] Re: network / create hotspot fail


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.17 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:

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-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/v3.17-rc1-utopic/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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  network / create hotspot fail

Status in “linux” package in Ubuntu:

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=
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
   /dev/snd/controlC1:  vany       2436 F.... pulseaudio
   /dev/snd/controlC0:  vany       2436 F.... pulseaudio
   /dev/snd/pcmC0D0p:   vany       2436 F...m pulseaudio
   country RU:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5735 - 5835 @ 20), (N/A, 30)
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=0bd2b073-a0ce-4644-890d-be7d357a28bc
  InstallationDate: Installed on 2013-05-08 (463 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: Sony Corporation VPCF23S1R
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-32-generic root=UUID=2bcfd912-3664-4cad-b275-a91b16560e78 ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-32.57-generic
   linux-restricted-modules-3.13.0-32-generic N/A
   linux-backports-modules-3.13.0-32-generic  N/A
   linux-firmware                             1.127.5
  Tags:  trusty
  Uname: Linux 3.13.0-32-generic x86_64
  UpgradeStatus: Upgraded to trusty on 2014-04-25 (111 days ago)
  UserGroups: adm audio cdrom debian-tor dip disk epoptes lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 07/22/2011
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: R2150V3
  dmi.board.asset.tag: N/A
  dmi.board.name: VAIO
  dmi.board.vendor: Sony Corporation
  dmi.board.version: N/A
  dmi.chassis.asset.tag: N/A
  dmi.chassis.type: 10
  dmi.chassis.vendor: Sony Corporation
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrR2150V3:bd07/22/2011:svnSonyCorporation:pnVPCF23S1R:pvrC60A2G3T:rvnSonyCorporation:rnVAIO:rvrN/A:cvnSonyCorporation:ct10:cvrN/A:
  dmi.product.name: VPCF23S1R
  dmi.product.version: C60A2G3T
  dmi.sys.vendor: Sony Corporation

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