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[Bug 1270808] Re: iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Seth Forshee <seth.forshee+lp@xxxxxxxxxxxxx>
Date: Tue, 11 Nov 2014 18:02:11 -0000
Reply-to: Bug 1270808 <1270808@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I checked, and the patch is already queued for both trusty and utopic in
the next SRU cycle. This means that it won't be in the next kernel
update, but the one after that. The next update is already undergoing
regression testing so it is too late to get it in for the next kernel
update.

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Title:
  iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2

Status in The Linux Kernel:
  Unknown
Status in “linux” package in Ubuntu:
  In Progress
Status in “linux-firmware” package in Ubuntu:
  Won't Fix

Bug description:
  profile/gdm" pid=7426 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=115 ouid=0
  [ 2390.836955] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
  [ 2390.836969] iwlwifi 0000:01:00.0: Current SW read_ptr 210 write_ptr 99
  [ 2390.837000] iwl data: 00000000: 00 00 fc ff 00 00 00 00 03 00 00 00 00 00 00 00  ................
  [ 2390.837019] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
  [ 2390.837036] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x801020e1
  [ 2390.837053] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
  [ 2390.837071] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300018
  [ 2390.837088] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
  [ 2390.837105] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
  [ 2390.837123] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
  [ 2390.837140] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x00709050
  [ 2390.837203] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [25,25]
  [ 2390.837264] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 2390.837324] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [210,99]
  [ 2390.837385] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.837446] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.837507] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 2390.837567] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 2390.837627] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 2390.837688] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 2390.837751] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [81,81]
  [ 2390.837814] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 2390.837879] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.837943] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838005] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838065] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838126] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838187] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838248] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838308] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2390.838370] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.173273] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
  [ 2981.173287] iwlwifi 0000:01:00.0: Current SW read_ptr 103 write_ptr 214
  [ 2981.173321] iwl data: 00000000: 00 00 00 00 00 00 00 00 80 ff 3f 00 00 00 00 00  ..........?.....
  [ 2981.173342] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
  [ 2981.173363] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x80102075
  [ 2981.173380] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
  [ 2981.173397] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x8030001d
  [ 2981.173415] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
  [ 2981.173433] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
  [ 2981.173450] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
  [ 2981.173467] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090ba
  [ 2981.173529] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [30,30]
  [ 2981.173590] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 2981.173650] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [103,214]
  [ 2981.173712] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.173772] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.173832] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 2981.173920] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 2981.173981] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 2981.174041] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 2981.174102] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [187,187]
  [ 2981.174162] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 2981.174223] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174284] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174344] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174404] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174465] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174525] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174586] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174647] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 2981.174707] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.769330] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
  [ 3106.769344] iwlwifi 0000:01:00.0: Current SW read_ptr 86 write_ptr 107
  [ 3106.769376] iwl data: 00000000: 00 00 c0 ff 00 00 00 00 3f 00 00 00 00 00 00 00  ........?.......
  [ 3106.769395] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
  [ 3106.769412] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x80102065
  [ 3106.769430] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
  [ 3106.769447] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x8030001e
  [ 3106.769465] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
  [ 3106.769482] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
  [ 3106.769499] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
  [ 3106.769517] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090f5
  [ 3106.769579] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [31,31]
  [ 3106.769640] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 3106.769700] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [86,107]
  [ 3106.769761] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.769822] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.769882] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 3106.769942] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 3106.770002] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 3106.770063] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 3106.770124] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [246,246]
  [ 3106.770184] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 3106.770246] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770306] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770366] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770426] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770486] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770547] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770607] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770669] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 3106.770729] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.094473] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
  [ 7065.094487] iwlwifi 0000:01:00.0: Current SW read_ptr 224 write_ptr 45
  [ 7065.094519] iwl data: 00000000: 00 00 00 00 00 00 00 00 ff ff 00 00 00 00 00 00  ................
  [ 7065.094537] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
  [ 7065.094555] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x801020ef
  [ 7065.094572] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
  [ 7065.094589] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x8030003f
  [ 7065.094607] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
  [ 7065.094624] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
  [ 7065.094641] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
  [ 7065.094658] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090a2
  [ 7065.094720] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [64,64]
  [ 7065.094781] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 7065.094841] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [224,45]
  [ 7065.094901] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.094961] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095021] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 7065.095081] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
  [ 7065.095142] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 7065.095203] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
  [ 7065.095265] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [163,163]
  [ 7065.095324] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
  [ 7065.095386] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095446] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095507] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095567] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095628] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095688] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095749] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095809] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
  [ 7065.095869] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-4-generic 3.13.0-4.19
  ProcVersionSignature: Ubuntu 3.13.0-4.19-generic 3.13.0-rc8
  Uname: Linux 3.13.0-4-generic x86_64
  ApportVersion: 2.13.1-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  caravena   2037 F.... pulseaudio
   /dev/snd/pcmC0D0p:   caravena   2037 F...m pulseaudio
  CRDA:
   country CL:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 40), (N/A, 20)
   	(5250 - 5330 @ 40), (N/A, 20), DFS
   	(5735 - 5835 @ 40), (N/A, 20)
  CurrentDesktop: GNOME
  Date: Mon Jan 20 09:19:41 2014
  HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
  InstallationDate: Installed on 2013-12-13 (37 days ago)
  InstallationMedia: Ubuntu-GNOME 14.04 "Trusty Tahr" - Alpha amd64 (20131213)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-3.13.0-4-generic root=UUID=0c67119c-ddae-476a-b510-142ec598f691 ro rootflags=subvol=@ quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-4-generic N/A
   linux-backports-modules-3.13.0-4-generic  N/A
   linux-firmware                            1.121
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2013
  dmi.bios.vendor: Phoenix Technologies Ltd.
  dmi.bios.version: P14AAJ
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: SAMSUNG_NP1234567890
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: FAB1
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvrP14AAJ:bd04/15/2013:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U3C/530U4C:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rnSAMSUNG_NP1234567890:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 530U3C/530U4C
  dmi.product.version: 0.1
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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References

[Bug 1270808] [NEW] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
From: Cristian Aravena Romero, 2014-01-20