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[Marc Langer <marc@xxxxxxxxxxxxx>]

first I thought it is fixed in 3.17.0-031700rc2, but now it occured with
this kernel, too.

** Tags removed: kernel-fixed-upstream

** Tags added: kernel-bug-exists-upstream

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https://bugs.launchpad.net/bugs/1361809

Title:
  iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 2

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  This is related to Bug #1328345. I have the same problem:

  [11441.901900] iwlwifi 0000:03:00.0: fail to flush all tx fifo queues Q 2
  [11441.901913] iwlwifi 0000:03:00.0: Current SW read_ptr 158 write_ptr 196
  [11441.901988] iwl data: 00000000: 00 00 00 c0 00 00 00 00 ff 3f 00 00 00 00 00 00  .........?......
  [11441.902031] iwlwifi 0000:03:00.0: FH TRBs(0) = 0x00000000
  [11441.902086] iwlwifi 0000:03:00.0: FH TRBs(1) = 0x801020ad
  [11441.902129] iwlwifi 0000:03:00.0: FH TRBs(2) = 0x00000000
  [11441.902176] iwlwifi 0000:03:00.0: FH TRBs(3) = 0x80300020
  [11441.902221] iwlwifi 0000:03:00.0: FH TRBs(4) = 0x00000000
  [11441.902261] iwlwifi 0000:03:00.0: FH TRBs(5) = 0x00000000
  [11441.902307] iwlwifi 0000:03:00.0: FH TRBs(6) = 0x00000000
  [11441.902350] iwlwifi 0000:03:00.0: FH TRBs(7) = 0x007090b5
  [11441.902453] iwlwifi 0000:03:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [33,33]
  [11441.902570] iwlwifi 0000:03:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [11441.902688] iwlwifi 0000:03:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [158,196]
  [11441.902814] iwlwifi 0000:03:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.902923] iwlwifi 0000:03:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.903035] iwlwifi 0000:03:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [11441.903155] iwlwifi 0000:03:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [11441.903285] iwlwifi 0000:03:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [11441.903431] iwlwifi 0000:03:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [11441.903598] iwlwifi 0000:03:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [182,182]
  [11441.903755] iwlwifi 0000:03:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [11441.903990] iwlwifi 0000:03:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.904154] iwlwifi 0000:03:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.904322] iwlwifi 0000:03:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.904473] iwlwifi 0000:03:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.904710] iwlwifi 0000:03:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.904893] iwlwifi 0000:03:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.905048] iwlwifi 0000:03:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.905195] iwlwifi 0000:03:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [11441.905339] iwlwifi 0000:03:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]

  
  This is a Lenovo Thinkpad X220i with Intel Corporation Centrino Advanced-N 6205.
  The problem does happen some time after wake up from suspend to ram., but not at once.
  I have to deassociate / associate to my WLAN to get it working again.

  Marc

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-34-generic 3.13.0-34.60
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic i686
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  marc       1880 F.... pulseaudio
   /dev/snd/pcmC0D0p:   marc       1880 F...m pulseaudio
  Date: Tue Aug 26 20:41:11 2014
  HibernationDevice: RESUME=UUID=d6c0a252-7713-49cd-8f99-a67bc788cddd
  InstallationDate: Installed on 2012-09-02 (723 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)
  MachineType: LENOVO 428766G
  ProcEnviron:
   LANGUAGE=de_DE
   TERM=xterm
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-34-generic root=UUID=413d3466-aae1-4fd0-ba89-a34e5b746d47 ro quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-34-generic N/A
   linux-backports-modules-3.13.0-34-generic  N/A
   linux-firmware                             1.127.5
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-08-19 (7 days ago)
  dmi.bios.date: 07/19/2012
  dmi.bios.vendor: LENOVO
  dmi.bios.version: 8DET63WW (1.33 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 428766G
  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:bvr8DET63WW(1.33):bd07/19/2012:svnLENOVO:pn428766G:pvrThinkPadX220:rvnLENOVO:rn428766G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 428766G
  dmi.product.version: ThinkPad X220
  dmi.sys.vendor: LENOVO

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