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[Launchpad Bug Tracker <1247681@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/1247681

Title:
  8086:08b2 [Lenovo IdeaPad U330 Touch] IEEE 802.11 driver crash

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Wireless connection fails out of nothing and can only be brought back
  with airplane mode on/off. Connection is stable only for like 5 mins.
  Several stacktraces in /var/log/syslog like below. Also lines line
  "ieee80211 phy0: Hardware restart was requested" or "iwlwifi
  0000:02:00.0: Firmware error during reconfiguration! Abort."

  I get a suspicion that it may be related with VirtualBox, because it
  was stable for some time until I startet a virtual machine.

  
  Nov  3 23:14:52 lenovo kernel: [ 3360.233406] ------------[ cut here ]------------
  Nov  3 23:14:52 lenovo kernel: [ 3360.233453] WARNING: CPU: 0 PID: 13409 at /build/buildd/linux-3.11.0/net/mac80211/util.c:1509 ieee80211_reconfig+0x1143/0x1400 [mac80211]()
  Nov  3 23:14:52 lenovo kernel: [ 3360.233467] Modules linked in: pci_stub vboxpci(OF) vboxnetadp(OF) vboxnetflt(OF) vboxdrv(OF) parport_pc(F) ppdev(F) rfcomm bnep binfmt_misc(F) nfsd(F) auth_rpcgss(F) nfs_acl(F) nfs(F) lockd(F) sunrpc(F) fscache(F) snd_hda_codec_realtek snd_hda_codec_hdmi x86_pkg_temp_thermal coretemp kvm_intel(F) kvm(F) crct10dif_pclmul(F) crc32_pclmul(F) ghash_clmulni_intel(F) aesni_intel(F) aes_x86_64(F) lrw(F) gf128mul(F) glue_helper(F) ablk_helper(F) cryptd(F) joydev(F) hid_multitouch arc4(F) uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core videodev usbhid hid btusb iwlmvm bluetooth mac80211 iwlwifi microcode(F) snd_hda_intel cfg80211 snd_hda_codec snd_hwdep(F) snd_pcm(F) snd_page_alloc(F) psmouse(F) serio_raw(F) snd_seq_midi(F) snd_seq_midi_event(F) snd_rawmidi(F) snd_seq(F) i915 lpc_ich wmi drm_kms_helper snd_seq_device(F) snd_timer(F) mei_me drm snd(F) ideapad_laptop mei sparse_keymap i2c_algo_bit video(F) mac_hid soundcore(F) lp(F) parport(F) nls_iso8859_1(F) btrfs(F) xor(F) z
  Nov  3 23:14:52 lenovo kernel: lib_deflate(F) raid6_pq(F) libcrc32c(F) ahci(F) libahci(F)
  Nov  3 23:14:52 lenovo kernel: [ 3360.233684] CPU: 0 PID: 13409 Comm: kworker/0:0 Tainted: GF       W IO 3.11.0-12-generic #19-Ubuntu
  Nov  3 23:14:52 lenovo kernel: [ 3360.233690] Hardware name: LENOVO 20268/Cherry 3A Touch, BIOS 7CCN26WW 09/06/2013
  Nov  3 23:14:52 lenovo kernel: [ 3360.233717] Workqueue: events ieee80211_restart_work [mac80211]
  Nov  3 23:14:52 lenovo kernel: [ 3360.233723]  0000000000000009 ffff880175e45d40 ffffffff816e547a 0000000000000000
  Nov  3 23:14:52 lenovo kernel: [ 3360.233735]  ffff880175e45d78 ffffffff81061dbd ffff8801527a06c0 0000000000000000
  Nov  3 23:14:52 lenovo kernel: [ 3360.233745]  ffff88024fff74b0 ffff88024fff6600 00000000fffffffb ffff880175e45d88
  Nov  3 23:14:52 lenovo kernel: [ 3360.233756] Call Trace:
  Nov  3 23:14:52 lenovo kernel: [ 3360.233768]  [<ffffffff816e547a>] dump_stack+0x45/0x56
  Nov  3 23:14:52 lenovo kernel: [ 3360.233780]  [<ffffffff81061dbd>] warn_slowpath_common+0x7d/0xa0
  Nov  3 23:14:52 lenovo kernel: [ 3360.233791]  [<ffffffff81061e9a>] warn_slowpath_null+0x1a/0x20
  Nov  3 23:14:52 lenovo kernel: [ 3360.233827]  [<ffffffffa0489853>] ieee80211_reconfig+0x1143/0x1400 [mac80211]
  Nov  3 23:14:52 lenovo kernel: [ 3360.233856]  [<ffffffffa045f1f7>] ieee80211_restart_work+0x87/0xa0 [mac80211]
  Nov  3 23:14:52 lenovo kernel: [ 3360.233866]  [<ffffffff8107d05c>] process_one_work+0x17c/0x430
  Nov  3 23:14:52 lenovo kernel: [ 3360.233875]  [<ffffffff8107dcac>] worker_thread+0x11c/0x3c0
  Nov  3 23:14:52 lenovo kernel: [ 3360.233905]  [<ffffffff8107db90>] ? manage_workers.isra.24+0x2a0/0x2a0
  Nov  3 23:14:52 lenovo kernel: [ 3360.233937]  [<ffffffff810847b0>] kthread+0xc0/0xd0
  Nov  3 23:14:52 lenovo kernel: [ 3360.233969]  [<ffffffff810846f0>] ? kthread_create_on_node+0x120/0x120
  Nov  3 23:14:52 lenovo kernel: [ 3360.233999]  [<ffffffff816f516c>] ret_from_fork+0x7c/0xb0
  Nov  3 23:14:52 lenovo kernel: [ 3360.234030]  [<ffffffff810846f0>] ? kthread_create_on_node+0x120/0x120
  Nov  3 23:14:52 lenovo kernel: [ 3360.234047] ---[ end trace 74d24ab452a883d1 ]---

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: wpasupplicant 1.0-3ubuntu2
  ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
  Uname: Linux 3.11.0-12-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  Date: Sun Nov  3 23:03:07 2013
  InstallationDate: Installed on 2013-10-27 (7 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MarkForUpload: True
  SourcePackage: wpa
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  peter      2415 F.... pulseaudio
   /dev/snd/controlC0:  peter      2415 F.... pulseaudio
  DistroRelease: Ubuntu 13.10
  HibernationDevice: RESUME=UUID=11b4045c-f200-49ef-9c95-66e927940a14
  InstallationDate: Installed on 2013-10-27 (38 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  MachineType: LENOVO 20268
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.11.0-14-generic.efi.signed root=UUID=a6d7594c-cd5f-4b57-b9b8-a7192235c2d0 ro rootflags=subvol=@ quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.11.0-14.21-generic 3.11.7
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-14-generic N/A
   linux-backports-modules-3.11.0-14-generic  N/A
   linux-firmware                             1.116
  Tags:  saucy
  Uname: Linux 3.11.0-14-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 09/06/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 7CCN26WW
  dmi.board.asset.tag: No Asset Tag
  dmi.board.name: Cherry 3A Touch
  dmi.board.vendor: LENOVO
  dmi.board.version: 31900003STD
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: IdeaPad U330 Touch
  dmi.modalias: dmi:bvnLENOVO:bvr7CCN26WW:bd09/06/2013:svnLENOVO:pn20268:pvrIdeaPadU330Touch:rvnLENOVO:rnCherry3ATouch:rvr31900003STD:cvnLENOVO:ct10:cvrIdeaPadU330Touch:
  dmi.product.name: 20268
  dmi.product.version: IdeaPad U330 Touch
  dmi.sys.vendor: LENOVO

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