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[khushboo <sharma.khushbu850@xxxxxxxxx>]

Is this issue resolved? i am also facing crash in skb_push function
while adding mac header in data .... can anyone help for this please
.... :(

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https://bugs.launchpad.net/bugs/1289378

Title:
  rt2800 crash on skb_push, apparently underflows the skb area

Status in “linux” package in Ubuntu:
  Triaged

Bug description:
  I have RT2800-based 5 GHz wireless card that serves as access point
  with hostapd. The hardware has served me well for years, but just
  yesterday on the 6th, the system has started crashing random. The
  system is headless, so I have no images of the prior crashes, but I
  connected up LCD last night and when I woke up, I saw a crash on the
  screen which I photographed. None of the crashes seem to be logged in
  dmesg. Based on experience so far, the system crashes unpredictably,
  the shortest interval that I've seen it crash is 20 minutes and the
  longest may be about 10 hours. Typically it won't last more than an
  hour, though.

  I found Tuomas Räsänen complaining about a crash that smells like the
  same issue to me:
  http://permalink.gmane.org/gmane.linux.drivers.rt2x00.user/2460

  Tuomas mentions that the crash occurs on hostapd version 2.x only.
  According to my dpkg.log, hostapd updated from version 1:1.0-3ubuntu4
  to 1:2.1.0ubuntu1 on 6th 09:00, and the first hard crash was sometime
  between 18:18 and 19:20 that day. I am currently running with
  rt2800pci removed from kernel, which seems to have worked around the
  crash. My other wlan card, ath9k, seems to produce no problems.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-16-generic 3.13.0-16.36
  ProcVersionSignature: Ubuntu 3.13.0-16.36-generic 3.13.5
  Uname: Linux 3.13.0-16-generic x86_64
  AlsaDevices:
   total 0
   crw-rw---- 1 root audio 116,  1 Mar  7 10:11 seq
   crw-rw---- 1 root audio 116, 33 Mar  7 10:11 timer
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.13.2-0ubuntu5
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
  CRDA:
   country EU:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 40), (N/A, 20)
   	(5250 - 5330 @ 40), (N/A, 20), DFS
   	(5490 - 5710 @ 40), (N/A, 27), DFS
  Date: Fri Mar  7 15:47:11 2014
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  PciMultimedia:
   
  ProcEnviron:
   TERM=screen-256color-bce
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-16-generic root=UUID=f71305f7-0fa2-4521-b633-87103dab6ace ro cgroup_disable=memory elevator=cfq
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-16-generic N/A
   linux-backports-modules-3.13.0-16-generic  N/A
   linux-firmware                             1.126
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2011-04-29 (1042 days ago)
  dmi.bios.date: 12/22/2011
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0146.2011.1222.1415
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67CL
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10212-210
  dmi.chassis.type: 3
  dmi.modalias: dmi:bvnIntelCorp.:bvrBLH6710H.86A.0146.2011.1222.1415:bd12/22/2011:svn:pn:pvr:rvnIntelCorporation:rnDH67CL:rvrAAG10212-210:cvn:ct3:cvr:

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