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

Bug #1328345 reported by Cristian Aravena Romero on 2014-06-10

This bug report is a duplicate of: Bug #1270808: iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2. Edit Remove

This bug affects 4 people

Affects		Status	Importance	Assigned to	Milestone
	Linux	Unknown	Unknown	linux-kernel-bugs #56581
	linux (Ubuntu)	Incomplete	Low	Unassigned

Bug Description

[ 69.758068] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
[ 69.758077] iwlwifi 0000:01:00.0: Current SW read_ptr 151 write_ptr 187
[ 69.758104] iwl data: 00000000: 00 00 80 ff 00 00 00 00 7f 00 00 00 00 00 00 00 ................
[ 69.758119] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
[ 69.758134] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x801020a6
[ 69.758148] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
[ 69.758162] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x80300011
[ 69.758176] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
[ 69.758191] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
[ 69.758205] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
[ 69.758219] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090f6
[ 69.758276] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [18,18]
[ 69.758332] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[ 69.758388] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [151,187]
[ 69.758445] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.758502] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.758558] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[ 69.758614] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[ 69.758670] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[ 69.758726] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[ 69.758782] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [247,247]
[ 69.758839] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[ 69.758896] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.758951] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759008] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759078] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759142] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759202] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759262] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759322] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[ 69.759383] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-3.15.0-5-lowlatency 3.15.0-5.10
ProcVersionSignature: Ubuntu 3.15.0-5.10-lowlatency 3.15.0-rc8
Uname: Linux 3.15.0-5-lowlatency x86_64
ApportVersion: 2.14.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: caravena 2052 F.... pulseaudio
/dev/snd/controlC1: caravena 2052 F.... pulseaudio
CurrentDesktop: GNOME
Date: Mon Jun 9 22:54:06 2014
HibernationDevice: RESUME=UUID=360bd2d2-4f44-4311-86d6-4781ac81ee87
InstallationDate: Installed on 2014-04-27 (43 days ago)
InstallationMedia: Ubuntu-GNOME 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.2)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U3C/530U4C
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.15.0-5-lowlatency root=UUID=13144268-2374-4154-83f1-c35d81306190 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.15.0-5-lowlatency N/A
linux-backports-modules-3.15.0-5-lowlatency N/A
linux-firmware 1.131
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.

Tags:

Revision history for this message

Cristian Aravena Romero (caravena) wrote on 2014-06-10:

AlsaInfo.txt Edit (33.0 KiB, text/plain; charset="utf-8")
BootDmesg.txt Edit (57.4 KiB, text/plain; charset="utf-8")
CRDA.txt Edit (203 bytes, text/plain; charset="utf-8")
CurrentDmesg.txt Edit (21.6 KiB, text/plain; charset="utf-8")
Dependencies.txt Edit (3.5 KiB, text/plain; charset="utf-8")
IwConfig.txt Edit (513 bytes, text/plain; charset="utf-8")
Lspci.txt Edit (8.6 KiB, text/plain; charset="utf-8")
Lsusb.txt Edit (608 bytes, text/plain; charset="utf-8")
ProcCpuinfo.txt Edit (3.6 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (313 bytes, text/plain; charset="utf-8")
ProcInterrupts.txt Edit (2.1 KiB, text/plain; charset="utf-8")
ProcModules.txt Edit (4.0 KiB, text/plain; charset="utf-8")
PulseList.txt Edit (24.5 KiB, text/plain; charset="utf-8")
RfKill.txt Edit (246 bytes, text/plain; charset="utf-8")
UdevDb.txt Edit (147.5 KiB, text/plain; charset="utf-8")
UdevLog.txt Edit (328.3 KiB, text/plain; charset="utf-8")
WifiSyslog.txt Edit (1.2 MiB, text/plain; charset="utf-8")

Revision history for this message

Brad Figg (brad-figg) wrote on 2014-06-10: Status changed to Confirmed

This change was made by a bot.

Changed in linux (Ubuntu):
status:	New → Confirmed

Revision history for this message

penalvch (penalvch) wrote on 2014-06-11:

Cristian Aravena Romero, could you please provide the full computer model as noted on the sticker?

tags:	added: needs-full-computer-model needs-upstream-testing needs-wifi-debug regression-potential
Changed in linux (Ubuntu):
importance:	Undecided → Low
status:	Confirmed → Incomplete

Glen Mehn (gmehn) on 2014-07-17

Changed in linux (Ubuntu):
status:	Incomplete → Confirmed

penalvch (penalvch) on 2014-07-18

Changed in linux (Ubuntu):
status:	Confirmed → Incomplete

Revision history for this message

cd311 (cd311) wrote on 2014-08-12:

Download full text (6.6 KiB)

I have the same problem. I still see the wireless networks. Sometimes connecting to the network is possible but transfering datas is near to impossible once the "fail to flush all tx fifo queues" happens.

$ lshw ouput
    description: Laptop
    product: 900X3C/900X3D/900X4C/900X4D (System SKUNumber)
    vendor: SAMSUNG ELECTRONICS CO., LTD.
Its a Samsung New Series 9 900X

Wlan chip is a
           *-network
                description: Wireless interface
                product: Centrino Advanced-N 6235
                vendor: Intel Corporation
                physical id: 0
                bus info: pci@0000:01:00.0
                logical name: wlan0
                version: 24
                serial: c8:f7:33:19:7e:f4
                width: 64 bits
                clock: 33MHz
                capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
                configuration: broadcast=yes driver=iwlwifi driverversion=3.13.0-32-generic firmware=18.168.6.1 ip=172.19.3.235 latency=0 link=yes multicast=yes wireless=IEEE 802.11abg
                resources: irq:49 memory:f0600000-f0601fff

$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"

I have the same problem. I still see the wireless networks. Sometimes connecting to the network  is possible but transfering datas is near to impossible once the "fail to flush all tx fifo queues" happens.

$ lshw ouput
    description: Laptop
    product: 900X3C/900X3D/900X4C/900X4D (System SKUNumber)
    vendor: SAMSUNG ELECTRONICS CO., LTD.
Its a Samsung New Series 9 900X

$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.1 LTS"

outpt of dmesg:
[13562.125715] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
[13562.125731] iwlwifi 0000:01:00.0: Current SW read_ptr 138 write_ptr 140
[13562.125827] iwl data: 00000000: 00 0c 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
[13562.125893] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
[13562.125957] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x8010208b
[13562.126022] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
[13562.126087] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x803000c7
[13562.126152] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
[13562.126215] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
[13562.126279] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
[13562.126342] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090a3
[13562.126527] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [200,200]
[13562.126710] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[13562.126911] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [138,140]
[13562.127109] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.127291] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.127475] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[13562.127675] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[13562.127857] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[13562.128033] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[13562.128235] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [164,164]
[13562.128418] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[13562.128600] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.128782] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.129014] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.129226] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.129409] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.129591] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.129842] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.130026] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13562.130207] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.128576] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
[13565.128589] iwlwifi 0000:01:00.0: Current SW read_ptr 140 write_ptr 165
[13565.128679] iwl data: 00000000: 00 f0 ff 0f 00 00 00 00 00 00 00 00 00 00 00 00  ................
[13565.128738] iwlwifi 0000:01:00.0: FH TRBs(0) = 0x00000000
[13565.128799] iwlwifi 0000:01:00.0: FH TRBs(1) = 0x8010209b
[13565.128856] iwlwifi 0000:01:00.0: FH TRBs(2) = 0x00000000
[13565.128913] iwlwifi 0000:01:00.0: FH TRBs(3) = 0x803000c8
[13565.128973] iwlwifi 0000:01:00.0: FH TRBs(4) = 0x00000000
[13565.129034] iwlwifi 0000:01:00.0: FH TRBs(5) = 0x00000000
[13565.129096] iwlwifi 0000:01:00.0: FH TRBs(6) = 0x00000000
[13565.129153] iwlwifi 0000:01:00.0: FH TRBs(7) = 0x007090a3
[13565.129375] iwlwifi 0000:01:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [201,201]
[13565.129553] iwlwifi 0000:01:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[13565.129731] iwlwifi 0000:01:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [140,165]
[13565.129909] iwlwifi 0000:01:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.130159] iwlwifi 0000:01:00.0: Q 4 is active and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.130413] iwlwifi 0000:01:00.0: Q 5 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[13565.130650] iwlwifi 0000:01:00.0: Q 6 is active and mapped to fifo 2 ra_tid 0x0000 [0,0]
[13565.130870] iwlwifi 0000:01:00.0: Q 7 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[13565.131052] iwlwifi 0000:01:00.0: Q 8 is active and mapped to fifo 4 ra_tid 0x0000 [0,0]
[13565.131233] iwlwifi 0000:01:00.0: Q 9 is active and mapped to fifo 7 ra_tid 0x0000 [164,164]
[13565.131432] iwlwifi 0000:01:00.0: Q 10 is active and mapped to fifo 5 ra_tid 0x0000 [0,0]
[13565.131606] iwlwifi 0000:01:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.131778] iwlwifi 0000:01:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.131951] iwlwifi 0000:01:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.132121] iwlwifi 0000:01:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.132293] iwlwifi 0000:01:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.132464] iwlwifi 0000:01:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.132677] iwlwifi 0000:01:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.132839] iwlwifi 0000:01:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13565.133010] iwlwifi 0000:01:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0]
[13568.131478] iwlwifi 0000:01:00.0: fail to flush all tx fifo queues Q 2
[13568.131493] iwlwifi 0000:01:00.0: Current SW read_ptr 140 write_ptr 197
[13568.131607] iwl data: 00000000: 00 f0 ff 0f 00 00 00 00 00 00 00 00 00 00 00 00  ................
and so on

Revision history for this message

penalvch (penalvch) wrote on 2014-08-13:

cd311, thank you for your comment. Unfortunately, this bug report is not scoped to you, or your problem. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via:
ubuntu-bug linux

For more on this, please read the official Ubuntu documentation:
Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue
Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports
Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette